Parasound Halo A21+ Stereo Power Amplifier. speakers output, gold plated connectors, It will be a perfect match for your speakers. Specs below. Continuous power output (20 Hz - 20 kHz): 250 watts RMS x 2 at 8 ohms, 400 watts RMS x 2 at 4 ohms, 750 watts RMS x 1 (bridged mono mode) at 8 ohms. Unbalanced: 33 kΩ This RA number must be clearly marked on the outer carton only. Power measurement are at 120 VAC: Parasound already brings listeners heavenly sound, but its halo now shines more beautifully than ever with its brand new version of the Halo A 23 two-channel power amplifier. The component under review, the $2000 Halo A 21 stereo amp, is slotted in further down the Parasound line. Halo A21 Two-Channel Amplifier. © Parasound Products, Inc. All right reserved. The new Parasound Halo A 21+ and A 23+ employ higher-capacity power supplies to increase output from 250 to 300 watts and 125 to 160 watts respectively. See all Halo … Standby: 1 Watt - Parasound Halo A21 - Wyred4Sound ST-500 MKii with wire/post upgrade - Odyssey Audio Stratos Extreme - Odyssey Audio Kismet - Benchmark AHB2 amp First choice is Parasound Halo A21. Idle (no music playing): 160 Watts Channel Type. Halo has earned honors and awards that are unmatched. +9 Vdc to +12 Vdc, 5 mA, Audio Trigger Requirements i appreciate and respect all opinions so please feel to contribute. full audio band (20 Hz - 20 kHz), Current Capacity Question is, does the a21 sound as good as the jc1 (close is good - there is a reason the jc1 is 4 times as much) and will the a21 be able to drive the 802's. Depth: 20" (508 mm) Power Output – Stereo Mode (0.1% THD) 8 Ohm, 1, Parasound and John Curl, their primary design consultant for the past 30 years, targeted power supply transformers and filter capacitors as the foundation for power output increases. > 80 dB at 1 kHz The A 21+ is exceptional and provided an awe-striking feel.". Output Power / Channel. Output Impedance / Channel. I have a pair of B&W nautilus 802. I tried one at home once for a couple of days with my Vandersteen 3A speakers and it sounded terrible. "With its high-quality chassis, thoughtful circuit design, and excellent sound quality, the A 21+ offers an impressive value proposition. 16 beta-matched 15 amp, 60 MHz bipolar output transistors. just wondering if the parasound halo a21 power amp can be bi amped with another halo 21 or a parasound classic 2250. for my front left and right monitor audio pl300s? 2 mV - 10 mV, XLR Pin Identification > 1100 at 20 Hz, DC Trigger Requirements Parasound's Halo A21 two-channel power amplifier has the brute force you need for ultra-realistic musical reproduction and hair-raising movie soundtracks. Frequency Response. I preconditioned the amplifier by operating it at one-third the specified power into 8 ohms for an hour. It has enough power to drive almost any speaker you can buy for under $10,000. > 110 dB, input shorted, unweighted, Damping Factor XLR x 2, CES 2021: Autonomous racing is coming to Indianapolis with the Indy Autonomous Challenge, BMW addresses iDrive's 20-year generation gap in a new short film for CES 2021. balanced audio input, Total harmonic distortion: < 0.2 % at full power. Depth with cables: 21-1/2" (546 mm), Shipping Weight Congratulations and Thank You for Choosing Parasound Your new Parasound Halo Series A 21 power amplifier presents the latest advancements ... PARASOUND A 21 SPECIFICATIONS _____ TABLE OF CONTENTS 1 A 21 Amplifier 19 17 13 12 15 14 11 10 8 7 5 4 2 1 3 6. Automatic turn-on by 12 V trigger or audio sensing. Frequency response: 20Hz–20kHz, +0/–0.25dB; 5Hz–100kHz, +0/–3dB. > 115 dB, input shorted, IHF A-weighted But I believe the last time I looked a couple retailers of Parasound were selling the older and lighter (60lbs) A21 at a discount and that amp sounds fantastic. " 4 Ohm, 8 Ohm. RCA, Output Impedance / Channel. 1.3 kVA shielded toroid transformer w/ independent windings for each channel. Parasound decided to update their already brilliant A 21 power amplifier which had become a staple for their brand for over 10 years. Complementary MOSFET driver stage and JFET input stage. Direct Coupled - no capacitors or inductors in signal path. Typical Listening levels: 300 Watts Parasound Halo jc1 or a21. The Parasound A23 is a lousy amplifier. 0.03 %, THX Ultra2 certified, 16 beta-matched 15 ampere, 60 MHz bipolar output transistors. 4 rack space chassis with rear carry handles. auto power on/off, At first look the Parasound Halo A 21 and A 51 are appealing and robust amplifiers accented by brushed metal finish and a "Halo" aqua blue light around the power button. audio line-in, Its raw power is matched by elegant circuit design from audio guru John Curl in collaboration with CTC Builders. 1000 watts x 1, 8 Ω trigger, RCA x 2, Additionally, Parasound's A21 just won an … l bought the Parasound halo a21 and the differences of improvement in the sound quality are just unreal, it's like too good to be true, before the parasound i had an Emotiva XPA and after listened to the differences btw the emo and the parasound i got to the conclusion that emotiva made my speakers sounded so bad, the sound quality is night and day differences, I'm was shocked! Parasound Halo, ZoneMaster, Z Custom, and NewClassic are four distinct product families. Rack mount hardware is included. Harris hyper-fast soft-recovery bridge diode rectifiers. As far as what the A21+ sounds like, that's anyones guess as I doubt many have heard it yet. 1 = Ground (Shield) Damping factor: >l1100 @ 20Hz. Discussion threads can be closed at any time at our discretion. ALL RIGHTS RESERVED. ", Home Theater Review Feb 2020 parts, 10 years, The Halo A 23+ was designed by engineer John Curl, who’s well known in audio circles, and since the 1990s has designed many amplifiers for Parasound. 5 years. 750 Watt, 4 Ohm, Halo is our premier line with a reputation for going head-to-head with the most expensive equipment on the market, while costing a fraction of the price. main. According to Parasound, the 3 o'clock setting means 20dB/26dB and the 12 o'clock setting means 10dB/16dB for single-ended/ balanced inputs, respectively. Input sensitivity: 1V per leg balanced, 1V unbalanced. 1, audio input, This is helpful for those of us who employ "gain staging" to minimize overall system output noise and who wish to … Maximum: 1400 Watts, Stereophile March 2020 "The A 21+ represents a new unparalleled value in amplifier performance. Sidebar 3: Measurements I tested the Parasound Halo A 21+ with my Audio Precision SYS2722 system (see the January 2008 "As We See It"). Current capacity: 60 amperes peak per channel. Parasound JC 5 Halo Stereo Power Amplifier A Chip Off the Old Monoblock Parasound's Halo JC 5 distills the essence of two Halo JC 1 monoblocks into a single-chassis stereo amp with outstanding sound quality, power, and value. Procedure for Returning Your A 21 to Parasound for Service If Parasound determines that you should send your A 21 to Parasound, you will be given a Return Authorization (RA) number. > 130 volts per microsecond, Frequency Response Total Harmonic Distortion (THD) 0.2 %. 20 - 20000 Hz. "Doing so has proved that extremely high performance-per-dollar is still possible today when a company leverages decades of experience, and is spearheaded by a legend." Page 18: Technically Speaking 4 Ω load and a 4 Ω speaker appears as only a 2 Ω load. Doing so has proved that extremely high performance-per-dollar is still possible today when a company leverages decades of experience, and is spearheaded by a legend… Power bandwidth: 5 Hz - 100 kHz, +0/-3 dB at 1 watt. > 70 dB at 20 kHz, Input Impedance Voltage gain: 29dB, 8 ohms (unbalanced input). With the assistance of legendary Audio Designer John Curl, they’ve created a beautiful and powerful successor to the A21, The A21+ stereo power amplifier. 20 Hz - 20 kHz, +0/-0.25 dB, Total Harmonic Distortion (THD) Be respectful, keep it civil and stay on topic. 300 watts x 2, 8 Ω both channels driven Those shopping for a stereo amplifier in this price range should give the A 21+ serious consideration. 88,000 µF power supply filter capacitance. The Design of the Parasound Halo P 5 Preamplifier. Bridged 4 Ω operation is not recommended They currently have the 3b3 on sale for $5215.50 while the A21+ is $2995. I have read very good things about that amp and am very happy with the A51 I … 125 Watt, 225 Watt, 400 Watt. (With a class-AB output stage, one-third power results in the maximum dissipation in the output devices.) 88 lb. 60 amps peak, per channel, Slew Rate ,1752'8&7,21 7kdqn