This RA number must be clearly marked on the outer carton only. 88 lb. The A 23+ was increased from $1,495 to $1,595. I preconditioned the amplifier by operating it at one-third the specified power into 8 ohms for an hour. > 80 dB at 1 kHz; "I cranked the volume way up and found myself free of that inhibiting audio alarm in my head that nags at me to turn it back down. It easily covers the high end and the base (without the need for separate amp to run the subwoofer) and moves smoothly along the musical spectrum. Parasound Halo A21 for sale. © Parasound Products, Inc. All right reserved. 5 Hz - 100 kHz, +0/-3 dB 1000 watts x 1, 8 Ω 3 = Negative (Return), Dimensions Parasound Halo A 21 Stereo Power Amplifier-Audio Advisor The Parasound Halo A21 Stereo Power Amplifier is a powerful two-channel AMP with 24k gold plated five-way speaker terminals that produces hair-raising music reproduction. Parasound HALO A21 Amplifier overview and full product specs on CNET. Details about Parasound Halo A21+ Stereo Power Amplifier See original listing. > 80 dB at 1 kHz With 160 W per channel into 8-ohm and 240 W per channel into 4-ohm loads, this is a beefier amplifier than its slim look suggests. "The Parasound Halo A 21 and A 51 are top rate amplifiers at a great value. Some Features of the new A 21+ Power Amplifier from Halo by Parasound; 300 watts x 2 @ 8 Ω RMS,in bridged modeCircuitry 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 ΩBalanced inputs with discrete circuitsCHK Infinium, custom 5-way speaker binding postsGold-plated RCA input & loop output jacks > 115 dB, input shorted, IHF A-weighted Halo is Parasound’s 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. 1 V for 28.28 V, THX Reference Level, Input impedance: What the A 21 is is a very fine amplifier at an exceptionally fair price—more lifelike, I think, than much of its more expensive Class D … Designed by John Curl, A21 is now the main basis of Halo A21+ series. > 70 dB at 20 kHz, Input Impedance ! The Parasound Halo A 21+ improves on the already over-the-top amazing Halo A 21 via carefully thought-out performance upgrades for cleaner, ultra-low distortion sound, revised front panel cosmetics, and a revised rear panel layout offering enhanced features, too. Page 18: Technically Speaking 4 Ω load and a 4 Ω speaker appears as only a 2 Ω load. $1,149.95. Balanced: 1 V per leg, S/N Ratio The A 21 amplifier is loaded with usable features above and beyond most other amplifiers. Parasound Halo Integrated, Pioneer SC-LX 901, Oppo-205, Revel F208 + Heco Aurora Center 30 + Heco Victa Prime 202, Takstar HF 580 pma Addicted to Fun and Learning Holiday Gift Guide 2020. The front panel of the Halo A 21+ has a modern, clean appearance. 500 watts x 2, 4 Ω both channels driven, Power Output – Bridged Mode (0.1% THD) Details like soundstage depth, focus, and texture is where the A 21+ puts real distance from the A 21. The Parasound Halo A 21+ and A 23+ are now available in silver or black finishes through Parasound dealers. < 0.04 %, Interchannel crosstalk: Halo has earned honors and awards that are unmatched. "This amazing group of equipment best demonstrates the audio industry's present state of the art. Width: 17-5/8" (448 mm) But an amplifier is not just about cosmetics especially when considering that most Audio Enthusiasts seem more interested in sound quality and features. Shipping: Local pick-up offered. Best ... Parasound HALO A21 Amplifier | HALO A 21. "With the assortment of unbalanced and balanced inputs, triggered output, and ground lift option no stones were left unturned with this well built, attractive design. Special relays bypass the AC "soft start" circuitry after it's done its job for the purest AC and the purest sound. 750 watts RMS x 1, 20 Hz - 20 kHz, 8 Ω, Current capacity: I am the second owner and it is in pristine condition. 400 watts RMS x 2, 20 Hz - 20 kHz, 4 Ω, all channels driven ... PARASOUND HALO A 52 Five-Channel Power Amplifier, RCA/XLR Inputs - Great. These are amazing amplifiers, especially given the price. Price: US $2,150.00. 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! About The Forum Updates (COMMENTS) RESOURCES (Manuals, Firmware, Drivers, Codes, and Advice) Read This First. Power Output – Stereo Mode (0.1% THD) Parasound Halo A23 Stereo Amplifier Review In light of our slow shift toward two channel audio (no, we are not abandoning personal audio), I decided it would be a good idea to start with something basic, like a stereo amplifier. Location: Knoxville, capitol of … "With its high-quality chassis, thoughtful circuit design, and excellent sound quality, the A 21+ offers an impressive value proposition. Height without feet: 7-1/8" (181 mm) COVID-19. Parasound Halo A21+ Stereo Power Amplifier: Condition: Used. Parasound seems to have attended to every aspect of their design including the excellent build quality internally and externally matched with great looks." The A 21+ is exceptional and provided an awe-striking feel.". "The new Parasound A 21+ was impossible to fault... remarkably powerful, transparent and quiet. I am acquainted with Parasound, as my first audiophile quality CD player was a Parasound CDP-1000, and later I bought a Parasound DAC-1500 to upgrade the overall source quality. full audio band (20 Hz - 20 kHz), Current Capacity Parasound a-21 two channel power amplifier high end 500 watts rms good like new. Depth with cables: 21-1/2" (546 mm), Shipping Weight 0.1% THD, RMS continuous power, ", Home Theater Review Feb 2020 This unit was meticulously cared for. XMC-1 Firmware. Parasound Halo Series A 21+ Stereo Power Amplifier. Typical Listening levels: 300 Watts I’m not going to kid you: In spite of family resemblances, the Parasound Halo A 21 is not as “good” as either of the two ten-to-twenty-times-moreexpensive Class AB super-amps. Anyone in the market for a stereo power amp would be well advised to consider the Parasound A 21+, especially those who believe that they must spend more. Continuous power output: The Halo A 21+ is an ultra-high performance Class A/AB stereo power amplifier. 0 item(s)$0.00 Shop By Price. 5 Hz - 100 kHz, +0/-3 dB at 1 watt, Total harmonic distortion: < 0.03 % at typical listening levels, Inter-channel Crosstalk 20 Hz - 20 kHz, +0/-0.25 dB, Total Harmonic Distortion (THD) 60 amperes peak per channel, Power bandwidth: Stereophile: "The Parasound A 21+ is remarkably powerful, transparent and quiet. Overall Rating: 5/5 Stars - Ken … "The new Parasound A 21+ was impossible to fault... remarkably powerful, transparent and quiet. 250 watts RMS x 2, 20 Hz - 20 kHz, 8 Ω, all channels driven Parasound decided to update their already brilliant A 21 power amplifier which had become a staple for their brand for over 10 years. Like all the other amps in the Halo product series, the A21 has Parasound's exclusive bias circuit, which permits the amplifier to sound perfect from the instant it's turned on, rather than having to wait for bias to gradually build up as the amp warms up over time. Standby: 1 Watt Its replacement, the Halo A 21+, is priced a little higher at $2,995. > 110 dB, input shorted, unweighted, Damping Factor After soliciting some advice here and considering various brands and models, I decided on the Parasound A23. Parasound Halo A 21(+) 12 vote(s) 30.0% Carver Crimson 275 7 vote(s) 17.5% Page 2 of 2 < Prev 1 2. Post a comment. RMC-1, RMC-1L, and XMC-2 Firmware. Using the Parasound amp allowed my speakers to portray every aspect that I had come to expect without adding any noticeable sign of distortion or flaw." 300 watts x 2, 8 Ω both channels driven 2 mV - 10 mV, XLR Pin Identification Worldwide shipping. < 0.2 % at full power, IM distortion: balanced 16 V rms The HALO A23+ stereo power amplifier that is reviewed here is the updated version of the HALO A23 amplifier. Parasound Halo A21+ Stereo Power Amplifier Changes from the original A 21→A 21+ 250 → 300 Watts (8Ω) 400 → 500 Watts (4Ω) 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 → That was a good move, because that was when I came across the Parasound A21. Very high bias allows greater Class operating range than others. At first look the Parasound Halo A 21 is an appealing and robust amplifier accented by brushed metal finish. Power measurement are at 120 VAC: "The Parasound Halo A 21 and A 51 are top rate amplifiers at a great value. Buy Parasound Halo A 21+ Stereo Power Amplifier at the best price in India. Even Halo's implementation of its automatic turn-on feature is exceptional. Product of the Year Award 2004 - Two-Channel Power Amplifier 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. > 1100 at 20 Hz, DC Trigger Requirements or Best Offer +$100.67 shipping. > 130 volts per microsecond, Frequency Response Parasound Halo A 23 Amplifiers DESCRIPTION 125W x 2 into 8 ohms, 200W x 2 into 4 ohms, 400W x 1 into 8 ohms, high bias Class A/AB amplification, MOSFET driver stage, JFET input stage, balanced XLR inputs, no capacitors or inductors in signal path, rear mounted gain controls, ground lift switch. Firmware. 17-1/2" w x 7-5/8" h x 20" d, 7" h without feet, Stereo&Video (May, 2014) Those shopping for a stereo amplifier in this price range should give the A 21+ serious consideration. (39.9 kg), Power Requirement About The Forum Updates. Manuals. After 15 years of devoted service, Parasound has retired its beloved Halo A 21 amplifier. Parasound Halo A 21+ Stereo Power Amplifier Changes from the original A 21→A 21+ 250 → 300 Watts (8Ω) 400 → 500 Watts (4Ω) © Parasound Products, Inc. All right reserved. Parasound Halo A 21+ power amplifier Measurements Sidebar 3: Measurements I tested the Parasound Halo A 21+ with my Audio Precision SYS2722 system (see the January 2008 " As We See It "). Bridged 4 Ω operation is not recommended > 63 dB at 20 kHz, Input sensitivity: Unbalanced: 1 V 1 = Ground (Shield) - Shane Mattson, Audioholics, December 2004 Balanced: 66 kΩ,(33 kΩ per leg), Input Sensitivity for 28.28 V Output into 8 Ω ", Audioholics, October 2004 "The A 21 and A 51 amplifiers are both loaded with usable features above and beyond most other amplifiers in today's market." ", Positive Feedback January 2019 Page 4 I sampled several Red Book CD's of different recording quality and musical genera's and quickly came to the realization that the A 21 was indeed a very special amplifier, and I could not wait to begin the serious evaluation after burn-in." Anyone in the market for a stereo power amp would be well advised to consider the Parasound A 21+, especially those who believe that they must spend more." Idle (no music playing): 160 Watts "The A 21+ represents a new unparalleled value in amplifier performance. Pre-Owned. ", SoundReproduction.com, October 2005 “Parasound has chosen to take a staple core product that has remained an exceptional value for over fifteen years, the Halo A21 amplifier, and re-spin it into the Halo A21+,” reports Michael Zisserson at positive-feedback.com. Gift Guide. There's a single On/Off button to the lower left, a high-temperature indicator to the lower right, and two small, blue LEDs between them: the indicator lights for the left and right channels. 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… Height with feet: 7-3/4" " (197 mm) "For those who desire the power of a Mack truck with the finesse of a Mercedes Benz in a two-channel amplifier, look no further than Parasound." Maximum: 1400 Watts, Stereophile March 2020 "Out of the box the A 21 sounds wonderful. That was back in … On January 1, 2020, suggested retail prices were adjusted as follows: The A 21+ was reduced from $3,150 to $2,995. “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.” 33 k Ω unbalanced; 66 k Ω balanced, S/N ratio: 60 amps peak, per channel, Slew Rate XPA-1L versus Parasound Halo 21 (NEW) Emotiva Forums - v.20. Pre-Owned. Bringing to the forestage all the instruments previously hidden behind the scene. 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, 300 watts x 2 @ 8 Ω RMS, both channels driven, 500 watts x 2 @ 4 Ω RMS, both channels driven, Circuitry designed by legendary John Curl, Stable with speaker impedance dips to 1.5 Ω, CHK Infinium, custom 5-way speaker binding posts, Gold-plated RCA input & loop output jacks, Direct-coupled signal path, no capacitors or inductors, AC turn-on inrush surge protection with relay bypass, 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. 24 watchers. Parasound seems to have attended to every aspect of their design including the excellent build quality internally and externally matched with great looks." Ended: Jan 07, 2021. +9 Vdc to +12 Vdc, 5 mA, Audio Trigger Requirements | See ... Changes from the original A 21→A 21+ 112 dB, input shorted, IHF A-weighted, Dimensions: Overall Rating: 5/5 Stars - Ken Stein and Steve Dellasala. Errata and Requests. 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. 2 = Positive As such, it imposes no constraints on one's desire to listen through it to the recorded performance or to experience the size, … < 0.1 % at full power Rachael Bee Miembra muy loca. 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. Parasound has chosen to take a staple core product that has remained an exceptional value for over fifteen years, the Halo A21 amplifier, and re-spin it into the Halo A21+. Unbalanced: 33 kΩ The A23+ has improved components and can deliver 28% more power than its predecessor. Depth: 20" (508 mm) Watch; Sugden A21SE Signature Pure Class A integrated amplifier. 4u Chassis, carry handles, rack mounting adapter included, Circuitry designed by legendary John Curl, 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, 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. Instruments previously hidden behind the scene the excellent build quality internally and externally matched great. 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