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Parasound A21. 250 x 2 power amp. Black. original double box. Retail $3200+

End: 09.01. 2025 03:37:38 on Thursday
  • Condition: Used
  • Price: 2524.02 EUR FESTPREIS
  • Status: unsold
  • Item number: 135199293940
  • Seller: hifivic (444|98.5%)
  • Seller information: Commercial (with base shop)
  • Item location: Hayward, California USA
  • Ships to: US
  • Shipping: EUR
  • on EBAY
  • Description

    Used gently as rears surrounds. Original Double box / power cord Selling CLASSE CA-2500. 123lbs. No shipping 200 x 5 $3930 Specifications: Circuitry designed by legendary John CurlTHX Ultra2 certifiedHigh bias Class A/AB operationBalanced inputs with discrete circuits and XLR connectorsDirect Coupled - no capacitors or inductors in signal pathComplementary MOSFET driver stage and JFET input stage16 beta-matched 15 amp, 60 MHz bipolar output transistors1.2 kVA encapsulated toroid power transformer with independent secondary windings for each channel100,000 µF power supply filter capacitanceDC Servo and relay protection circuitsAC present, channel status, high temperature indicatorsHeavy-duty 24k gold-plated 5-way speaker terminalsGold-plated RCA input jacks; ground lift switchAuto turn-on by 12v trigger or audio signal, 12v trigger out4u Chassis, carry handles, rack mounting adapter included

Parasound Halo A21 2 Channel Amplifier In Black

End: 10.12. 2024 05:26:02 on Tuesday
  • Condition: Used
  • Price: 1274.55 EUR FESTPREIS
  • Status: sold
  • Item number: 235821339579
  • Seller: energymomster (459|100.0%)
  • Seller information: non commercial
  • Item location: Hemet, California USA
  • Ships to: None
  • Shipping: 0,0 EUR
  • on EBAY
  • Description

    This is for pick up, if you need it shipped please contact me. I have a FedEx account and can ship cheaper than eBay quotes via the posting. I am listing my Parasound A21 amplifier. It’s in very nice shape and works perfectly. The sound is very derailed and controlled with a damping factor or 1,100. More specifications below. I have it in my system now and you are welcome to audition before purchasing. I am in Temecula wine country. I also have a silver one as well. Thanks, Jon Specifications Continuous power output: 250 watts RMS x 2, 20 Hz - 20 kHz, 8 ?, all channels driven 400 watts RMS x 2, 20 Hz - 20 kHz, 4 ?, all channels driven 750 watts RMS x 1, 20 Hz - 20 kHz, 8 ? Current capacity: 60 amperes peak per channel Power bandwidth: 5 Hz - 100 kHz, +0/-3 dB at 1 watt Total harmonic distortion: < 0.2 % at full power IM distortion: balanced 16 V rms < 0.04 % Slew rate: > 130 V/µsecond Dynamic headroom: > 1.5 dB Interchannel crosstalk: > 80 dB at 1 kHz; > 63 dB at 20 kHz Input sensitivity: 1 V for 28.28 V, THX Reference Level Input impedance: 33 k ? unbalanced; 66 k ? balanced S/N ratio: 112 dB, input shorted, IHF A-weighted Damping factor: > 1100 at 20 Hz Voltage: 110V - 120V Dimensions: 17-1/2 w x 7-5/8 h x 20 d, 7 h without feet Net weight: 60 lb.up

Parasound A21 AMPLIFIER

End: 06.12. 2024 22:23:18 on Friday
  • Condition: Used
  • Price: 971.91 EUR FESTPREIS
  • Status: sold
  • Item number: 405402038221
  • Seller: miha5732 (29|100.0%)
  • Seller information: non commercial
  • Item location: Louisville, Kentucky USA
  • Ships to: US
  • Shipping: EUR
  • on EBAY
  • Description

    Parasound A21 AMPLIFIER

Parasound HALO A21 - 2 Channel Power Amplifier

End: 14.11. 2024 14:11:06 on Thursday
  • Condition: Used
  • Price: 1440.92 EUR FESTPREIS
  • Status: sold
  • Item number: 305836602231
  • Seller: timmm69 (188|100.0%)
  • Seller information: non commercial
  • Item location: Keene, New Hampshire USA
  • Ships to: US
  • Shipping: 0,0 EUR
  • on EBAY
  • Description

    Original owner, non-smoking household. Comes with original box, power cord, and manual. Very powerful amp! Circuitry designed by legendary John Curl THX Ultra2 certified High bias Class A/AB operation Balanced inputs with discrete circuits and XLR connectors Direct Coupled - no capacitors or inductors in signal path Complementary MOSFET driver stage and JFET input stage 16 beta-matched 15 amp, 60 MHz bipolar output transistors 1.2 kVA encapsulated toroid power transformer with independent secondary windings for each channel 88,000 F power supply filter capacitance DC Servo and relay protection circuits AC present, channel status, high temperature indicators Heavy-duty 24k gold-plated 5-way speaker terminals Gold-plated RCA input jacks; ground lift switch Auto turn-on by 12v trigger or audio signal, 12v trigger out 4u Chassis, carry handles, rack mounting adapter includedThe Parasound A 21 2 Channel Power Amplifier is a high-quality device designed to enhance your home audio experience. With its two channels and powerful sound, you can enjoy your favorite music or movies with exceptional clarity. Made by Parasound, a trusted brand in the industry, this power amplifier is sure to impress. Whether youre a music enthusiast or a home entertainment expert, the Parasound A 21 2 Channel Power Amplifier is a great addition to your system. Its sleek design and sturdy build ensure that it will last for years to come. So, if youre looking for a reliable and powerful amplifier, look no further than the Parasound A 21.

PARASOUND HALO A21+ AMP - PERFECT CONDITION

End: 31.10. 2024 16:53:15 on Thursday
  • Condition: Used
  • Price: 2840.37 EUR FESTPREIS
  • Status: sold
  • Item number: 286127273383
  • Seller: thelao (881|100.0%)
  • Seller information: non commercial
  • Item location: White Lake, Michigan USA
  • Ships to: US
  • Shipping: 0,0 EUR
  • on EBAY
  • Description

    PERFECT CONDITION A21+ AMP. NO SCRATECHES DENTS OR DINGS ON IT AT ALL. COMES WITH ALL DOCUMENTS AND POWER CABLE. INCLUDED DOUBLE BOXED SHIPPING THAT CAME FROM THE MANUFACTURER. The Halo A 21+ power amplifier is a pinnacle of power and fidelityThe 21+ has two channels providing 250 watts per channel into 8 ?, it delivers breathtaking audio performance. The high bias Class A/AB operation ensures accurate and detailed sound reproduction, while the stable operation into 2 ? loads allows for versatility in speaker configurations. The direct-coupled design, free from capacitors in the signal path, preserves signal integrity and enhances transparency. With balanced XLR and unbalanced RCA inputs and A/B speaker terminals, it offers flexibility and compatibility. Experience pure power and fidelity with the Halo A 21+ power amplifier.Changes from the original A 21?A 21+250 ? 300 Watts (8?)400 ? 500 Watts (4?)750 ? 1000 Watts (bridged)Filter cap: 88,000 uF ? 108,000 uFS/N: 112dB ? 115 dBTHD (at full power): 0.2% ? 0.1%Crosstalk (20kHz): 63dB ? 70dBTransformer size: 1.2 kVA ? 1.3 kVAWeight: 60 LB ? 71 LBRefined Halo cosmetic with aluminum end caps & gold highlightsUpdated rear panel with heavy duty speaker terminals from JC 5Upgraded internal gold on gold audio connectionsUpdated auto turn on circuit

Parasound A21 - Audiophile Hifi Stereo Solid State Power Amplifier - John Curl

End: 23.10. 2024 23:22:55 on Wednesday
  • Condition: Used
  • Price: 1142.31 EUR Auktion
  • Status: sold
  • Item number: 356158986396
  • Bids: 3
  • Seller: highendaudioauctions (16534|100.0%)
  • Seller information: Commercial (with base shop)
  • Item location: Brooklyn, New York USA
  • Ships to: Worldwide
  • Shipping: EUR
  • on EBAY
  • Description

    Follow us| Sign up for our newsletter Parasound A21 - Audiophile Hifi Stereo Solid State Power Amplifier - John Curl For over 20 years High End Audio Auctions has been selling the finest HiFi online, but did you know that we BUY your HiFi equipment as well? Contact our sister company STEREOBUYERS for a fair quote today! All items included are pictured. Items are tested fully to ensure all functions work as expected - any defects and additional service done to the item are noted below. Items are not restored or reconditioned, unless specified. All items we sell come with a 30-day warranty - your satisfaction is guaranteed. Original shipping on returns will be refunded at the sellers discretion. Local Pickup in NYC Available Parasound A21 Details & Testing Notes Cosmetic Condition:9/10: Excellent - light use, no visible imperfectionsFunctional Notes:Functions as intended and sounds great.Voltage:115V 60HzSerial #:04264Original Box:NoManual:YesRemote:N/APower Cord:YesAdditional Items:Rack Ears / Accessories BoxShipping Method:FedEx Ground (Domestic) / FedEx Economy, USPS Priority, Ebay Standard Delivery (International)Shipping Weight:70lbs (24x24x20) High-End Audio Auctions has been THE trusted source for high-end, classic and vintage audio components on eBay since 2000! Our unique products, unparalleled service and bombproof packaging keeps our customers coming back again and again. We are experts at selling and shipping worldwide, with items ranging from $5 to $50,000. We look forward to earning your repeat business! By placing a bid on any of our listings, you agree to our terms & conditions Click here to learn more Home| About Us| Store Policies| FAQs| Feedback| Contact Us| Custom Tuned Cables _gsrx_vers_1680 (GS 9.8.3 (1680))

Parasound A21 - Audiophile Hifi Stereo Solid State Power Amplifier - John Curl

End: 16.10. 2024 21:56:06 on Wednesday
  • Condition: Used
  • Price: 1106.64 EUR Auktion
  • Status: unsold
  • Item number: 235779142788
  • Bids: 0
  • Seller: highendaudioauctions (16499|100.0%)
  • Seller information: Commercial (with base shop)
  • Item location: Brooklyn, New York USA
  • Ships to: Worldwide
  • Shipping: EUR
  • on EBAY
  • Description

    Follow us| Sign up for our newsletter Parasound A21 - Audiophile Hifi Stereo Solid State Power Amplifier - John Curl For over 20 years High End Audio Auctions has been selling the finest HiFi online, but did you know that we BUY your HiFi equipment as well? Contact our sister company STEREOBUYERS for a fair quote today! All items included are pictured. Items are tested fully to ensure all functions work as expected - any defects and additional service done to the item are noted below. Items are not restored or reconditioned, unless specified. All items we sell come with a 30-day warranty - your satisfaction is guaranteed. Original shipping on returns will be refunded at the sellers discretion. Local Pickup in NYC Available Parasound A21 Details & Testing Notes Cosmetic Condition:9/10: Excellent - light use, no visible imperfectionsFunctional Notes:Functions as intended and sounds great.Voltage:115V 60HzSerial #:04264Original Box:NoManual:YesRemote:N/APower Cord:YesAdditional Items:Rack Ears / Accessories BoxShipping Method:FedEx Ground (Domestic) / FedEx Economy, USPS Priority, Ebay Standard Delivery (International)Shipping Weight:70lbs (24x24x20) High-End Audio Auctions has been THE trusted source for high-end, classic and vintage audio components on eBay since 2000! Our unique products, unparalleled service and bombproof packaging keeps our customers coming back again and again. We are experts at selling and shipping worldwide, with items ranging from $5 to $50,000. We look forward to earning your repeat business! By placing a bid on any of our listings, you agree to our terms & conditions Click here to learn more Home| About Us| Store Policies| FAQs| Feedback| Contact Us| Custom Tuned Cables _gsrx_vers_1680 (GS 9.8.3 (1680))

PARASOUND HALO A21+ POWER AMPLIFIER - CIRCURITY DESIGNED BY LEGENDARY JOHN CURL

End: 11.10. 2024 16:04:05 on Friday
  • Condition: Used
  • Price: 1938.16 EUR FESTPREIS
  • Status: sold
  • Item number: 266972206982
  • Seller: tmpmmap (568|100.0%)
  • Seller information: non commercial
  • Item location: Shrewsbury, New Jersey USA
  • Ships to: US
  • Shipping: 150,0 EUR
  • on EBAY
  • Description

    PARASOUND HALO A21+ POWER AMPLIFIERUSEDUSED AS A DEMO UNIT STORED IN A CABINET - LOW PLAY TIME NO RETURNS PER PARASOUND The Halo A 21+ power amplifier is a pinnacle of power and fidelity FEATURES300 watts x 2 @ 8 ? RMS, both channels driven500 watts x 2 @ 4 ? RMS, both channels driven1000 watts x 1 @ 8 ?, in bridged modeCircuitry designed by legendary John CurlHigh bias Class A/AB operation60 amperes peak current per channelStable with speaker impedance dips to 1.5 ?Balanced inputs with discrete circuitsCHK Infinium, custom 5-way speaker binding postsGold-plated RCA input & loop output jacksDirect-coupled signal path, no capacitors or inductorsDC Servo and relay protection circuitsAC turn-on inrush surge protection with relay bypassJFET input stage, MOSFET driver stage16 beta-matched 15 ampere, 60 MHz bipolar output transistors1.3 kVA shielded toroid transformer w/ independent windings for each channelIndependent power supplies for input stage, driver stage and output stage108,000 µF filter capacitors for output stagesFull power is rated all the way down to 5Hz for unrestricted low-end bassHarris hyper-fast soft-recovery bridge diode rectifiersAutomatic turn-on by 12 V trigger or audio sensing4 rack space chassis with rear carry handlesRack mount hardware is included

Parasound A21+ Power Amp

End: 11.10. 2024 14:08:24 on Friday
  • Condition: Used
  • Price: 1901.05 EUR FESTPREIS
  • Status: sold
  • Item number: 196713323801
  • Seller: justaudioyoutube (1687|99.0%)
  • Seller information: non commercial
  • Item location: Middle River, Maryland USA
  • Ships to: US
  • Shipping: 0,0 EUR
  • on EBAY
  • Description

    The Halo A 21+ power amplifier is a pinnacle of power and fidelityThe 21+ has two channels providing 250 watts per channel into 8 ?, it delivers breathtaking audio performance. The high bias Class A/AB operation ensures accurate and detailed sound reproduction, while the stable operation into 2 ? loads allows for versatility in speaker configurations. The direct-coupled design, free from capacitors in the signal path, preserves signal integrity and enhances transparency. With balanced XLR and unbalanced RCA inputs and A/B speaker terminals, it offers flexibility and compatibility. Experience pure power and fidelity with the Halo A 21+ power amplifier.

PARASOUND HALO A21+ POWER AMPLIFIER - CIRCURITY DESIGNED BY LEGENDARY JOHN CURL

End: 04.10. 2024 00:15:01 on Friday
  • Condition: Used
  • Price: 1855.22 EUR Auktion
  • Status: sold
  • Item number: 126693446886
  • Bids: 1
  • Seller: bwgee48017 (791|100.0%)
  • Seller information: non commercial
  • Item location: Clawson, Michigan USA
  • Ships to: US
  • Shipping: 160,0 EUR
  • on EBAY
  • Description

    After 4 years, and certainly less than 200 hours of operation, it is time for me to downsize. Parasound Halo A21+ Stereo Power Amplifier 2x300 watts 8? in Black finish – used. Manufacturer: Parasound Halo Model: Halo A21+ Amplifier Description: Parasound Halo A21+ Stereo Amplifier – Black, 2x300 watts 8? both channels. Changes from the original A 21?A 21+ 250 ? 300 Watts (8?) 400 ? 500 Watts (4?) 750 ? 1000 Watts (bridged) Filter cap: 88,000 uF ? 108,000 uF S/N: 112dB ? 115 dB THD (at full power): 0.2% ? 0.1% Crosstalk (20kHz): 63dB ? 70dB Transformer size: 1.2 kVA ? 1.3 kVA Weight: 60 LB ? 71 LB Refined Halo cosmetic with aluminum end caps & gold highlights Updated rear panel with heavy duty speaker terminals from JC 5 Upgraded internal gold on gold audio connections Updated auto turn on circuit All Features 300 watts x 2 @ 8 ? RMS, both channels driven 500 watts x 2 @ 4 ? RMS, both channels driven 1000 watts x 1 @ 8 ?, in bridged mode Circuitry designed by legendary John Curl High bias Class A/AB operation 60 amperes peak current per channel Stable with speaker impedance dips to 1.5 ? Balanced inputs with discrete circuits CHK Infinium, custom 5-way speaker binding posts Gold-plated RCA input & loop output jacks Direct-coupled signal path, no capacitors or inductors DC Servo and relay protection circuits AC turn-on inrush surge protection with relay bypass JFET input stage, MOSFET driver stage 16 beta-matched 15 ampere, 60 MHz bipolar output transistors 1.3 kVA shielded toroid transformer w/ independent windings for each channel Independent power supplies for input stage, driver stage and output stage 108,000 µF filter capacitors for output stages Full power is rated all the way down to 5Hz for unrestricted low-end bass Harris hyper-fast soft-recovery bridge diode rectifiers Automatic turn-on by 12 V trigger or audio sensing 4 rack space chassis with rear carry handles Rack mount hardware is included Item is used in great condition, some very minor marks can be seen on a very close inspection, please see posted images. It is a 9 out 10 at least. The pictures are showing the actual product the buyer is getting. International buyers are responsible to pay for the applicable importing fees and duty if it applies. Thank you for looking. Return Policy: due to the extreme size and weight of the unit I do not accept returns on this item. I guaranty that the unit is in good working condition, no humming or any other noises coming from this amp.

Parasound A21+ - Audiophile 300WPC Solid State Stereo Power Amplifier w OG Box

End: 24.09. 2024 22:27:58 on Tuesday
  • Condition: Used
  • Price: 1746.4 EUR Auktion
  • Status: sold
  • Item number: 235748675373
  • Bids: 1
  • Seller: highendaudioauctions (16446|100.0%)
  • Seller information: Commercial (with base shop)
  • Item location: Brooklyn, New York USA
  • Ships to: Worldwide
  • Shipping: EUR
  • on EBAY
  • Description

    Follow us| Sign up for our newsletter Parasound A21+ - Audiophile Hifi Solid State Stereo Power Amplifier - 300 WPC For over 20 years High End Audio Auctions has been selling the finest HiFi online, but did you know that we BUY your HiFi equipment as well? Contact our sister company STEREOBUYERS for a fair quote today! All items included are pictured. Items are tested fully to ensure all functions work as expected - any defects and additional service done to the item are noted below. Items are not restored or reconditioned, unless specified. All items we sell come with a 30-day warranty - your satisfaction is guaranteed. Original shipping on returns will be refunded at the sellers discretion. Local Pickup in NYC Available Parasound A21+ Details & Testing Notes Cosmetic Condition:9/10: Excellent - light use, no visible imperfectionsFunctional Notes:Functions as intended and sounds great.Voltage:115V ~60HzSerial #:21162Original Box:YesManual:YesRemote:N/APower Cord:YesAdditional Items:Rack EarsShipping Method:FedEx Ground (Domestic) / FedEx Economy (International) Note: eBay’s shipping calculator does not handle dimensions this large. Flat rates are placeholder estimates. Please contact us with your city and postal code for rates specific to your state or country. Shipping Weight:80lbs (28x28x14) High-End Audio Auctions has been THE trusted source for high-end, classic and vintage audio components on eBay since 2000! Our unique products, unparalleled service and bombproof packaging keeps our customers coming back again and again. We are experts at selling and shipping worldwide, with items ranging from $5 to $50,000. We look forward to earning your repeat business! By placing a bid on any of our listings, you agree to our terms & conditions Click here to learn more Home| About Us| Store Policies| FAQs| Feedback| Contact Us| Custom Tuned Cables _gsrx_vers_1653 (GS 9.7.5 (1653))

Parasound Halo A21 2-Channel Power Amplifier THX Ultra2 Certified Silver

End: 21.09. 2024 02:37:26 on Saturday
  • Condition: Used
  • Price: 1523.33 EUR FESTPREIS
  • Status: sold
  • Item number: 315752868934
  • Seller: quikdropflstu (31387|100.0%)
  • Seller information: Commercial (with base shop)
  • Item location: 34997 USA
  • Ships to: US
  • Shipping: 150,0 EUR
  • on EBAY
  • Description

    Up for sale is this Parasound Halo A21 2-Channel Silver Power Amplifier. Dimensions: 20 Deep X 18 Wide X 8 High. Includes owners manual & power cable. Will be professionally packed & shipped with insurance and signature required. This amplifier was purchased from an authorized Parasound dealer. It was purchased new and there has only been one owner.It was installed in a small home theater designed by Anthony Grimani from PMI (Performance Media Industries).It was used infrequently and driven very lightly due to being installed in a small theater.The theater was temperature controlled to 72 degrees Fahrenheit, 24/7/365, with no windows or damaging sunlight.The theater, and the entire home, were smoke-free, pet-free, and child-free.The amplifier is in excellent physical, electrical, and acoustic condition.Please review the included photos.Specifications:Circuitry designed by legendary John CurlTHX Ultra2 certifiedHigh bias Class A/AB operationBalanced inputs with discrete circuits and XLR connectorsDirect Coupled - no capacitors or inductors in signal pathComplementary MOSFET driver stage and JFET input stage16 beta-matched 15 amp, 60 MHz bipolar output transistors1.2 kVA encapsulated toroid power transformer with independent secondary windings for each channel100,000 µF power supply filter capacitanceDC Servo and relay protection circuitsAC present, channel status, high temperature indicatorsHeavy-duty 24k gold-plated 5-way speaker terminalsGold-plated RCA input jacks; ground lift switchAuto turn-on by 12v trigger or audio signal, 12v trigger out4u Chassis, carry handles, rack mounting adapter includedImportant Note: The excellent condition of this amplifier has been carefully documented and photographed.You should only purchase this amplifier if you are a serious buyer who knows exactly what is being sold.Please do not view this as an opportunity to “kick the tires” to see if you like Parasound amplifiers.Do yourself a favor and skip this item if you are not sure, or if you possibly have other motivations.Other Gear from this Theater:All of the components from this theater are being sold by QuikDrop on Ebay:1 - Parasound Halo A51 5-Channel Power Amplifier2 - Triad Gold Series In-Room LCR Speakers - Black1 - Triad In-Wall Gold/6 LCR Speaker - Black4 - Triad In-Room On-Wall Silver Subwoofer - Custom Designed by PMI4 - Triad Gold Series On-Wall Surround Speakers Bipole – BlackThe availability of these items is subject to change over time and this list will not be updated *****NO P.O. BOXES***** Local Buyers Must Choose Local Pickup At Checkout And Pay In Person At Our Store. **Please understand we are a 3rd party seller who operates an actual business providing this service for our consignors. These are not our personal items where we can afford to offer free shipping. Our flat shipping rates include shipping charges to your location, all packing materials and handling and packing, insurance, delivery confirmation. We take pride in our shipping. We strive to pack them sometimes beyond shipping guidelines so we know and you can feel secure they will arrive to you safely. I pack your items like I would want my stuff to be packed, safe and sound** NOTE: We get a lot of emails and we will answer them as the order they are received. Please see photos for details! Please visit our store! FEEDBACK IS GIVEN when your transaction is complete and is left for us we will automatically give feedback once positive feedback is received. US BIDDERS: We ship through UPS or USPS depending on the weight and size of the item. Be confident your package will arrive safely! Item Number: 4894-33 SKU: 2500 Condition Description:

Parasound HALO A21+ Stereo A/AB Class Power Amplifier 300W (8 ohm) Open Box

End: 02.09. 2024 01:48:31 on Monday
  • Condition: New: Other
  • Price: 2142.3 EUR Auktion
  • Status: sold
  • Item number: 186653632710
  • Bids: 13
  • Seller: jghou (1321|100.0%)
  • Seller information: non commercial
  • Item location: Lancaster, Pennsylvania USA
  • Ships to: US
  • Shipping: EUR
  • on EBAY
  • Description

    For bid is an open box Parasound A21+ Power Amplifier with 300W (8 ohm) and 500W (4 ohm). Condition is essentially new. Only taken out to be tested. This is a high-end great quality sound quality pure A/AB power amplifier. Features: 300 watts x 2 @ 8 ? RMS, both channels driven500 watts x 2 @ 4 ? RMS, both channels driven1000 watts x 1 @ 8 ?, in bridged modeCircuitry designed by legendary John CurlHigh bias Class A/AB operation60 amperes peak current per channelStable with speaker impedance dips to 1.5 ?Balanced inputs with discrete circuitsCHK Infinium, custom 5-way speaker binding postsGold-plated RCA input & loop output jacksDirect-coupled signal path, no capacitors or inductorsDC Servo and relay protection circuitsAC turn-on inrush surge protection with relay bypassJFET input stage, MOSFET driver stage16 beta-matched 15 ampere, 60 MHz bipolar output transistors1.3 kVA shielded toroid transformer w/ independent windings for each channelIndependent power supplies for input stage, driver stage and output stage108,000 µF filter capacitors for output stagesFull power is rated all the way down to 5Hz for unrestricted low-end bassHarris hyper-fast soft-recovery bridge diode rectifiersAutomatic turn-on by 12 V trigger or audio sensing4 rack space chassis with rear carry handlesRack mount hardware is included Official Parasound Website: https://parasound.com/products/a21?srsltid=AfmBOop5BbqHcKFrtEOqXTRSPmN4fgl4SSmjxtfMODDZDqf5ybLQOq30

Parasound A21 2 channel amplifier, black, excellent condition, cord

End: 31.08. 2024 00:12:16 on Saturday
  • Condition: Used
  • Price: 1469.03 EUR FESTPREIS
  • Status: sold
  • Item number: 405198448809
  • Seller: neberg_66 (7|100.0%)
  • Seller information: non commercial
  • Item location: El Dorado Hills, California USA
  • Ships to: US
  • Shipping: EUR
  • on EBAY
  • Description

    Parasound A21 power amplifier, black, power cord, excellent condition

Parasound Halo A21+ POWER AMP SILVER

End: 09.08. 2024 14:25:05 on Friday
  • Condition: Used
  • Price: 2495.92 EUR FESTPREIS
  • Status: unsold
  • Item number: 405124744177
  • Seller: chapnoe55 (12|100.0%)
  • Seller information: non commercial
  • Item location: Dallas, Texas USA
  • Ships to: US
  • Shipping: EUR
  • on EBAY
  • Description

    PARASOUND A21+ PURCHASED FROM SAFE AND SOUND JUNE 2023 LIGHT USE EXCELLENT SHAPETHIS AMPLIFIER IS A BRUTE AND CAN POWER ANY SPEAKER. 300 X 2 @ 8 OHMS500 X 2 @ 4 OHMS 2 OHM STABLE A / AB BIAS SHIPS IN PARASOUND DOUBLE BOX WITH CORDAND MANUAL

Parasound Halo A21+ 500W Ultra High End Power Amplifier

End: 04.08. 2024 15:56:48 on Sunday
  • Condition: Used
  • Price: 2796.1 EUR FESTPREIS
  • Status: unsold
  • Item number: 285894815042
  • Seller: loudspk (1926|100.0%)
  • Seller information: non commercial
  • Item location: West Linn, Oregon USA
  • Ships to: US
  • Shipping: 99,95 EUR
  • on EBAY
  • Description

    Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 I know John Curl personally, and this amp if one of his best achievements in the science and art of amplifier design. Unfortunately, the A21+ was not photographed in the book, although there is a specific thank you to Richard Schram and Parasound in the book for their help with the project. Current price for the Parasound Halo A21+ power amplifier is $4195. This amplifier is in mint condition. And yes, this really is a incredible sounding power amplifier (on the Stereophile Recommended Component List, Class A 2023), which is why I choose it for this project. Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 Buyer to pay exact UPS or FEDEX ground insured shipping cost (signature required) with insurance and delivery confirmation to any continental US address (all others exact charges). ONLY US and Canada buyers on this listing please- NO EXCEPTION. Sold as is...All sales final (no return). Thanks for looking!!!

Parasound A21 Two Channel Power Amplifier; SEE DESCRIPTION

End: 31.07. 2024 18:48:10 on Wednesday
  • Condition: Used
  • Price: 1348.37 EUR FESTPREIS
  • Status: unsold
  • Item number: 387100729244
  • Seller: adamiske (8102|99.6%)
  • Seller information: Commercial (with base shop)
  • Item location: Huntington Beach, California USA
  • Ships to: US
  • Shipping: 0,0 EUR
  • on EBAY
  • Description

    Functionally refurbished by a Parasound factory authorized service facility. Unit has some cosmetic damage from shipping. See pictures.

Parasound Halo A21+ Power Amplifier Top Cover

End: 28.07. 2024 03:29:54 on Sunday
  • Condition: Used
  • Price: 22.36 EUR FESTPREIS
  • Status: sold
  • Item number: 196501998907
  • Seller: honu_boy (436|100.0%)
  • Seller information: non commercial
  • Item location: San Francisco, California USA
  • Ships to: US
  • Shipping: 15,0 EUR
  • on EBAY
  • Description

    Parasound A21+ top cover for sale. Item in good overall condition with minor scuff marks. This auction is not for the amplifier but just the top cover.

Parasound Halo A21+ POWER AMP SILVER

End: 17.07. 2024 14:21:43 on Wednesday
  • Condition: Used
  • Price: 2029.04 EUR Auktion
  • Status: unsold
  • Item number: 405090831869
  • Bids: 0
  • Seller: chapnoe55 (12|100.0%)
  • Seller information: non commercial
  • Item location: Dallas, Texas USA
  • Ships to: US
  • Shipping: EUR
  • on EBAY
  • Description

    PARASOUND A21+ PURCHASED FROM SAFE AND SOUND JUNE 2023 LIGHT USE EXCELLENT SHAPETHIS AMPLIFIER IS A BRUTE AND CAN POWER ANY SPEAKER. 300 X 2 @ 8 OHMS500 X 2 @ 4 OHMS 2 OHM STABLE A / AB BIAS

Parasound Halo A21+ POWER AMP SILVER

End: 09.07. 2024 18:07:55 on Tuesday
  • Condition: Used
  • Price: 2258.46 EUR Auktion
  • Status: unsold
  • Item number: 405074041522
  • Bids: 0
  • Seller: chapnoe55 (12|100.0%)
  • Seller information: non commercial
  • Item location: Dallas, Texas USA
  • Ships to: US
  • Shipping: EUR
  • on EBAY
  • Description

    PARASOUND A21+ PURCHASED FROM SAFE AND SOUND JUNE 2023 LIGHT USE EXCELLENT SHAPETHIS AMPLIFIER IS A BRUTE AND CAN POWER ANY SPEAKER. 300 X 2 @ 8 OHMS500 X 2 @ 4 OHMS 2 OHM STABLE A / AB BIAS

Parasound Halo A21 Stereo Power Amplifier THX Certified 2X250 watts, black- nice

End: 25.06. 2024 07:22:44 on Tuesday
  • Condition: Used
  • Price: 1668.32 EUR FESTPREIS
  • Status: sold
  • Item number: 266864742440
  • Seller: tvcharlie911 (2279|100.0%)
  • Seller information: Commercial (with base shop)
  • Item location: Jacksonville, Florida USA
  • Ships to: US
  • Shipping: 0,0 EUR
  • on EBAY
  • Description

    Parasound Halo A21 Stereo Power Amplifier THX Certified 2X250 watts, black – used Manufacturer: Parasound Halo Model: Halo A21 Amplifier Description: Stereo Power Amplifier, 2x250 watts, black Unit is in beautiful condition, works as it should, no issues at all. I just upgraded to a newer Halo 21+. Power cord and original packaging included. Unfortunately, I cannot locate the manual, but it can be download. Features: Circuitry designed by legendary John Curl THX Ultra2 certified High bias Class A/AB operation Balanced inputs with discrete circuits and XLR connectors Direct Coupled - no capacitors or inductors in signal path Complementary MOSFET driver stage and JFET input stage 16 beta-matched 15 amp, 60 MHz bipolar output transistors 1.2 kVA encapsulated toroid power transformer with independent secondary windings for each channel 88,000 µF power supply filter capacitance DC Servo and relay protection circuits AC present, channel status, high temperature indicators Heavy-duty 24k gold-plated 5-way speaker terminals Gold-plated RCA input jacks; ground lift switch Auto turn-on by 12v trigger or audio signal, 12v trigger out Specification: Continuous power output: 250 watts RMS x 2, 20 Hz - 20 kHz, 8 ?, all channels driven 400 watts RMS x 2, 20 Hz - 20 kHz, 4 ?, all channels driven 750 watts RMS x 1, 20 Hz - 20 kHz, 8 ? Current capacity: 60 amperes peak per channel Power bandwidth: 5 Hz - 100 kHz, +0/-3 dB at 1 watt Total harmonic distortion: < 0.2 % at full power IM distortion: balanced 16 V rms< 0.04 % Slew rate: > 130 V/µsecond Dynamic headroom: > 1.5 dB Interchannel crosstalk: > 80 dB at 1 kHz; > 63 dB at 20 kHz Input sensitivity: 1 V for 28.28 V, THX Reference Level Input impedance: 33 k ? unbalanced; 66 k ? balanced S/N ratio: 112 dB, input shorted, IHF A-weighted Damping factor: > 1100 at 20 Hz Voltage: 110V - 120V Dimensions: 17-1/2 w x 7-5/8 h x 20 d, 7 h without feet Net weight: 60 lb. Specification: See posted pictures of factory data sheets for details. Item is used in good working and physical condition, unit will be shipped in original packaging, factory double boxed as shown on the images. Accessories included: power cord as shown on the pictures. The pictures are showing the actual product the buyer is getting. International buyers are responsible to pay for the applicable importing fees and duty if it applies. Thank you for looking. Return Policy: due to high cost of shipping of this unit I do not except return on this item.

Parasound A21 + Stereo Power Amplifier; Black

End: 18.06. 2024 17:03:22 on Tuesday
  • Condition: Used
  • Price: 2400.0 USD FESTPREIS
  • Status: 30T 16:19:26
  • Item number: 404984933345
  • Seller: (|%)
  • Seller information:
  • Item location: Albany,NY,USA USA
  • Ships to:
  • Shipping: USD
  • on EBAY
  • Description

    For sale is 1 Parasound A21+ This unit is open box. All functions work on this unit. Unit is black. Original box and packing included. Any reasonable offer will be accepted. No returns. If you have any questions, please ask.

Parasound A21 - Audiophile Hifi Stereo Solid State Power Amplifier John Curl

End: 04.06. 2024 01:03:17 on Tuesday
  • Condition: Used
  • Price: 1126.95 EUR Auktion
  • Status: sold
  • Item number: 335413265672
  • Bids: 2
  • Seller: highendaudioauctions (16174|100.0%)
  • Seller information: Commercial (with base shop)
  • Item location: Brooklyn, New York USA
  • Ships to: Worldwide
  • Shipping: EUR
  • on EBAY
  • Description

    Follow us| Sign up for our newsletter Parasound A21 - Audiophile Hifi Stereo Solid State Power Amplifier w Rack Ears For over 20 years High End Audio Auctions has been selling the finest HiFi online, but did you know that we BUY your HiFi equipment as well? Contact our sister company STEREOBUYERS for a fair quote today! All items included are pictured. Items are tested fully to ensure all functions work as expected - any defects and additional service done to the item are noted below. Items are not restored or reconditioned, unless specified. All items we sell come with a 30-day warranty - your satisfaction is guaranteed. Original shipping on returns will be refunded at the sellers discretion. Local Pickup in NYC Available Parasound A21 Power Amplifier Details & Testing Notes Cosmetic Condition:8/10: Very Good - Flawless front face, other minor imperfections.Light wear along top edge of face. Very good overall physical condition. Please see all high resolution photographs below.Functional Notes:Functions as intended and sounds great.Voltage:115V 60HzSerial #:4957Original Box:NoManual:NoRemote:NoPower Cord:YesAdditional Items:Rack ears, trigger cablesShipping Method:FedEx Ground (Domestic) / FedEx Economy (International) Note: eBay’s shipping calculator does not handle dimensions this large. Flat rates are placeholder estimates. Please contact us with your city and postal code for rates specific to your state or country. Shipping Weight:70lbs, 26x26x26 High-End Audio Auctions has been THE trusted source for high-end, classic and vintage audio components on eBay since 2000! Our unique products, unparalleled service and bombproof packaging keeps our customers coming back again and again. We are experts at selling and shipping worldwide, with items ranging from $5 to $50,000. We look forward to earning your repeat business! By placing a bid on any of our listings, you agree to our terms & conditions Click here to learn more Home| About Us| Store Policies| FAQs| Feedback| Contact Us| Custom Tuned Cables _gsrx_vers_1653 (GS 9.7.5 (1653))

Parasound Halo A21 Stereo Power Amplifier

End: 30.05. 2024 19:17:31 on Thursday
  • Condition: Used
  • Price: 1627.97 EUR FESTPREIS
  • Status: sold
  • Item number: 325868371347
  • Seller: tmraudio (12890|99.6%)
  • Seller information: Commercial (with base shop)
  • Item location: Erie, Colorado USA
  • Ships to: US
  • Shipping: 84,99 EUR
  • on EBAY
  • Description

    The worlds largest online retailer of pre-owned audio Product DescriptionWho we areWhat we doOur ProcessOur Policies Parasound Halo A21 Stereo Power Amplifier Product SKU: 54554 Voltage: 120V # of Owners: 2 Service History: None Serial Number: 07014 Age: Unknown Tobacco Exposure: No MSRP: $2495 Cosmetic Description: Excellent condition with no notable blemishes.  What is Included: Amplifier, Manual, Rack mounting hardware, Two trigger cables, Power cable, Factory packaging Other Notes: Bottom line: I could not only recommend the A 21 enthusiastically to audiophiles on a budget (what a combo it would make with the Maggie 1.6QRs!), but could live with it myself—in a system that costs fifty times what it does. -Jonathan Valin, The Absolute Sound Functional Notes: Operational condition of this item is excellent, fully tested and no issues found. Shipping: Cost to ship this item within the contiguous United States is a flat rate of $85- including packaging and insurance. For all other locations including Hawaii, Puerto Rico and Alaska, please request a quote prior to purchase. Items with factory packaging will be double boxed. When factory packaging not available re-usable shipping box with custom injected-foam mold will be used. (for all items over 10 lbs). Note that all items valued over $750 will require a signature upon delivery. Your online source for the best value in new and used audio gear. Visit us online to Buy / Sell / Trade / Consign The Music Room is the largest online retailer of pre-owned HiFi equipment in the world. Headquartered in beautiful Boulder Colorado, The Music Room is a team of 17 strong (and growing) music lovers - all dedicated to one singular mission: delivering the very best online shopping experience in the audio industry - period. We specialize in well-cared for, previously used gear because that is what we are passionate about. We feel that there is nothing more fulfilling than creating a high-performance system on a budget with carefully selected used components, speakers and cables. Our program is safe, secure, fast, fair, hassle-free and highly effective. Visit us online to Buy / Sell / Trade / Consign Buy: Are you looking to get a fair price for your used home audio equipment without all the hassles, headaches, risks and fees? We will appraise your equipment and make you a quick, easy, fair cash offer. Just fill out our “get a quote” form on our homepage to start the process. Sell: We sell in multiple online venues with many (but not all) of our products available in our eBay store. Everything is quality-assured and backed by our best-in-class, satisfaction-guaranteed return policy. Trade: Make your budget go further with a generous trade-in allowance. Let us know what you have available, and we’ll get you the best possible trade-in allowance. We can even assist with shipping & logistics from anywhere in the USA. Just fill out our “get a quote” form on our homepage to start the process. Consign: We offer a hassle-free way for individuals and businesses to liquidate used gear. We’ll handle every step of the process from shipping to appraisals, customer service, fulfillment, and returns: Industry-low rates with no hidden fees Leverage our world-class reputation and get exposure in multiple sales venues - putting your product in front of over 570k monthly shoppers. Our program is Safe, Secure, Fast, Fair, Hassle-Free and Highly Effective. With 100% feedback ratings in every venue in which we sell, you can rest assured that we’ve got your back. Visit us online to Buy / Sell / Trade / Consign Quality Assurance: We offer 15-20 new product listings for sale daily. Each product undergoes an extremely rigorous quality-assurance and listening session by one of our qualified technicians. We understand that buying used audio equipment can be rife with uncertainty and unexpected headaches. Our quality assurance program is informed by a knowledge-base built through delivering over 30,000 used audio products to satisfied customers. We promise to deliver your product in good working order - exactly as described 100% of the time. Support: We don’t just make promises. We stand behind them - your satisfaction is guaranteed. Our support team is ready to help you with any questions you might have before and after the sale. Value: In the never-ending pursuit of high performance, it’s important to stretch your limited budget as far as possible. Used equipment sells for a fraction of new prices, and with a partner like The Music Room you can upgrade any time you like and get most of your money back. There’s simply no better way to maximize a limited audio budget. Packaging: We’ve invested thousands of dollars and countless hours into mastering our state-of-the-art packaging process. Our custom foam-in-place packaging system allows us to safely package almost any item regardless of irregular shapes or sizes. Most importantly, this system provides our customers with a re-usable shipping box which increases the resale value of the product and provides a shipping method for easy, secure returns. Be seen by over 70,000 monthly visitors. Visit us online to Buy / Sell / Trade / Consign Payment: Prompt payment is expected. Paypal is preferred but all forms of payment are accepted. Unpaid item case will be opened after 3 days if no payment received. Shipping Times: Most Domestic orders ship within 1 business day of purchase. For International orders or freight shipments, please allow 2-3 business days. In all cases, tracking information will be emailed to you at the moment the shipping label is created. If you cant find it or have other questions about shipping & logistics, please contact us. Shipping Costs: Flat rate shipping costs are applicable within the contiguous 48 States (USA). These rates are clearly posted on each product page. For an International or custom quote (including Hawaii, PR, AK) please contact us. Returns: Every purchase made on eBay carries a 30-day, satisfaction-guaranteed return policy. If youre not happy with your purchase for any reason or if youve simply changed your mind... no problem. Simply ship it back for a full refund or exchange (minus S&H costs). If you have received an item that is defective in some way, we will make it right. Let us know - we will pay for return shipping and repair the item or refund 100% of your original purchase price.