Excellent condition. What you see in pictures What you will receive. Thanks for looking.

Excellent condition. Works great. What you see in pictures What you will receive. Thanks for looking.

The Parasound Halo A21 is a powerful power amplifier that offers high-quality audio output with stereo L/R RCA and XLR inputs. It supports THX surround sound formats and has raw cable speaker jacks as outputs. The amplifier is black in color and has 2 channels and 2 inputs. This unit was hooked up to two speakers and a radio tuner. It worked briefly but then cut out and is assumed not to be working. It may need repair, but is a heavy duty piece of kit. If you are reading this listing and know how to do the work this could be a great deal for you! As this unit is listed as for parts / not working it is being sold as is. There are no returns.

Parasound A21 AMPLIFIER

This is a Parasound Halo A21 stereo amplifier in black. Overall in good cosmetic condition but there are some scratches and nicks on the top edge of the front panel (see close up photo). The rear panel has some scratches around the audio input jacks. The rear handles also have some nicks. Removed from a fully operational system just a few weeks ago. Only the amp and a generic black power cable is included.

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 is a respected name when it comes to highly musical power amplifiers for prices that the are actually affordable. Yet, when it comes to value... they are hard to beat. There is a great Absolute Sound review where the reviewer compared them to his $20,000 Audio Research REF250s and was surprized how difficult it was to discern the differences. This is a beautiful, one owner amplifier and its built for years of enjoyment. FEATURES -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 channel88,000 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 out AMPLIFIER SPECIFICATIONS -CLASS - A/B AmplificationPOWER/CH - (8 Ohm) 200WPOWER/CH - (4 Ohm) 400WBRIDGED POWER - 750 WattsDIMENSIONS - (LxWxH) 20 x 17.58 x 7.75WEIGHT: 60 Lbs IN THE BOX -ManualPower cordOriginal Box and packing CONDITION - Unit is in excellent conditon, clean and tested. No scratches but a couple light scuffs. Ready for years of great music. Includes everything that comes with a brand new unit. SHIPPING - We ship worldwide with UPS, Fed-Ex and various truck freight lines. All items are packed and padded with care if the original packaging is deemed insufficient. We know how exciting it is to anticipate the arrival of new gear and we want your item to arrive in the same condition it left our facility.

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

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.

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

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))

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 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

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.

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.

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))

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:

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 power amplifier, black, power cord, excellent condition

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

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!!!

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