Description
PARASOUND HALO A23+ BLACK 2-CHANNEL POWER AMP CLASS A/AB READY TO SHIP Up for sale is a Parasound Halo A23+ in Black finish. Amp is in excellent condition both in operation and cosmetics. Excellent looking and sounding amp with plenty of reserve power to drive any speakers you throw at it. Selling because I upgraded to a Halo 21+ amp which is another excellent amp with more power. Amp was sparingly used and stored in a temp-controlled closet, pet-free and non-smoking home. You will be happy with this amp. Changes from the original A23 and incorporated into the newer A23+ below:ES FROM THE ORIGINAL a23 ----> a23+125 ? 160 Watts (8?)125 ? 160 Watts (8?)225 ? 240 Watts (4?)400 ? 500 Watts (bridged)Filter cap: 40,000 uF ?54,400 uFCrosstalk (20kHz): 63dB ? 70dBTransformer size: 1.0 kVA ? 1.1 kVARefined Halo cosmetic with aluminum end caps & gold highlightsUpdated rear panel with heavy duty speaker terminals from HINT 6Upgraded internal gold on gold audio connectionsUpdated auto turn on circuit All Features160 watts x 2 @ 8 ? RMS, both channels driven240 watts x 2 @ 4 ? RMS, both channels driven500 watts x 1 @ 8 ?, in bridged modeCircuitry designed by legendary John CurlHigh bias Class A/AB operation45 amperes peak current per channelStable with speaker impedance dips below 2 ?Balanced inputs with discrete circuitsHeavy-duty 24k gold-plated 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 stage12 beta-matched 15 ampere, 60 MHz bipolar output transistors1.1 kVA shielded toroid transformer w/ independent windings for each channelIndependent power supplies for input stage, driver stage and output stage54,400 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 sensing2 rack space chassis with rear carry handlesRack mount hardware available separatelyAvailable in silver or black Official Specs from Parasound :Power Output – Stereo Mode (0.06% THD) 160 watts x 2, 8 ? both channels driven 240 watts x 2, 4 ? both channels driven Power Output – Stereo Mode (0.9% THD) 210 watts x 2, 8 ? both channels driven 300 watts x 2, 4 ? both channels driven Power Output – Bridged Mode (0.06% THD) 500 watts x 1, 8 ? Bridged 4 ? operation is not recommended Power Output – Bridged Mode (0.9% THD) 600 watts x 1, 8 ? Bridged 4 ? operation is not recommended *All Power measurement are at 120 VAC, RMS continuous power, full audio band (20 Hz - 20 kHz) Current Capacity 45 amps peak, per channel Slew Rate > 130 volts per microsecond Frequency Response 5 Hz - 100 kHz, +0/-3 dB 20 Hz - 20 kHz, +0/-0.25 dB Total Harmonic Distortion (THD) < 0.06 % at full power < 0.03 % at typical listening levels IM Distortion < 0.04 % TIM Unmeasurable Inter-channel Crosstalk > 85 dB at 1 kHz > 70 dB at 20 kHz Input Impedance Unbalanced: 33 k? Balanced: 66 k?,(33 k? per leg) Total Gain 29 dB Input Sensitivity for 28.28 V Out (8 ? Load) Unbalanced: 1 V Balanced: 1 V per leg S/N Ratio > 112 dB, input shorted, IHF A-weighted > 107 dB, input shorted, unweighted Damping Factor > 800 at 20 Hz DC Trigger Requirements +9 Vdc to +12 Vdc, 5 mA Audio Trigger Requirements 2 mV - 10 mV XLR Pin Identification 1 = Ground (Shield) 2 = Positive 3 = Negative (Return) Dimensions Width: 17-1/4 (437 mm) Depth: 15-1/4 (388 mm) Depth, with cables 17 (432 mm) Height, with feet: 4-1/8 (105 mm) Height, without feet: 3-1/2 (89 mm), 2U Net Weight 27 lb. (12.2 kg) Shipping Weight 34 lb. (14.4 kg) Power Requirement Standby: <1 Watt Idle (no music playing): 75 Watts Typical Listening levels: 125 Watts Maximum: 800 Watts 110-125 VAC 60 Hz or 220-250 VAC 50 Hz AC mains voltage is set on rear panel Reviews: LowBeats (Germany) November 2020 the Parasound P 6 and Parasound A 23+ play together in a pleasingly balanced and precise manner, while still musical with tonality that tends toward warmth. The consistently very supple reproduction and simultaneously true-to-size presentation and pin-point positioning of individual instruments and voices is amazing. Yes, this is how HiFi is fun. » English Translation PDF Secrets of Home Theater & High Fidelity, November 2020 There is a lot to like in the reasonably-priced Parasound HALO A 23+ stereo amplifier. It is stylish, packs sufficient amplification power, and delivers solid high-fidelity sonic performance. ON-OFF (Spain) September, 2019 One strength is its capability to reproduce a wide sonic palette, with depth and plenty of micro information. Parasounds power amp is able to bring out the best bass from speakers. Different kinds of music made us appreciate the unusual character of this amplification. Outstanding! Soundstage Network July 2019 Reviewers Choice Parasound provides great value in the Halo A 23+. I havent heard better sound or seen higher build quality at this price. An impressive power amplifier. Stereo+ (Norway) January 2019 Together, the Parasound P 6 and A 23+ are dynamite. Pure sonic magic with brilliant dynamics, delicious midrange and impressive resolution. To get such good sound for the price of this duo seems almost unnatural. One incredibly appealing preamp-amplifier package from Parasound. Changes from the original A 23?A 23+ Thanks for looking and happy bidding. Good luck!
Live search