Its replacement, the Halo A 21+, is priced a little higher at $2,995. The A 21+ is exceptional and provided an awe-striking feel.". +9 Vdc to +12 Vdc, 5 mA, Audio Trigger Requirements Worldwide shipping. Unbalanced: 1 V © Parasound Products, Inc. All right reserved. 88 lb. Parasound Halo A 21(+) 12 vote(s) 30.0% Carver Crimson 275 7 vote(s) 17.5% Page 2 of 2 < Prev 1 2. 60 amperes peak per channel, Power bandwidth: 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. Parasound seems to have attended to every aspect of their design including the excellent build quality internally and externally matched with great looks." That was back in … COVID-19. XPA-1L versus Parasound Halo 21 (NEW) Emotiva Forums - v.20. Designed by John Curl, A21 is now the main basis of Halo A21+ series. > 80 dB at 1 kHz; Bridged 4 Ω operation is not recommended Even Halo's implementation of its automatic turn-on feature is exceptional. < 0.2 % at full power, IM distortion: balanced 16 V rms 0.1% THD, RMS continuous power, Height with feet: 7-3/4" " (197 mm) 2 = Positive Location: Knoxville, capitol of … Very high bias allows greater Class operating range than others. "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. Parasound seems to have attended to every aspect of their design including the excellent build quality internally and externally matched with great looks." Buy Parasound Halo A 21+ Stereo Power Amplifier at the best price in India. Errata and Requests. "The new Parasound A 21+ was impossible to fault... remarkably powerful, transparent and quiet. full audio band (20 Hz - 20 kHz), Current Capacity 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. 24 watchers. 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. 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 I preconditioned the amplifier by operating it at one-third the specified power into 8 ohms for an hour. Best ... Parasound HALO A21 Amplifier | HALO A 21. Price: US $2,150.00. 400 watts RMS x 2, 20 Hz - 20 kHz, 4 Ω, all channels driven > 110 dB, input shorted, unweighted, Damping Factor "With its high-quality chassis, thoughtful circuit design, and excellent sound quality, the A 21+ offers an impressive value proposition. 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 "). After 15 years of devoted service, Parasound has retired its beloved Halo A 21 amplifier. About The Forum Updates (COMMENTS) RESOURCES (Manuals, Firmware, Drivers, Codes, and Advice) Read This First. 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. 750 watts RMS x 1, 20 Hz - 20 kHz, 8 Ω, Current capacity: 5 Hz - 100 kHz, +0/-3 dB Parasound Halo Series A 21+ Stereo Power Amplifier. But an amplifier is not just about cosmetics especially when considering that most Audio Enthusiasts seem more interested in sound quality and features. © Parasound Products, Inc. All right reserved. Firmware. > 130 volts per microsecond, Frequency Response Halo has earned honors and awards that are unmatched. 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. "The new Parasound A 21+ was impossible to fault... remarkably powerful, transparent and quiet. 5 Hz - 100 kHz, +0/-3 dB at 1 watt, Total harmonic distortion: < 0.04 %, Interchannel crosstalk: 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! 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." “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.” "The A 21+ represents a new unparalleled value in amplifier performance. After soliciting some advice here and considering various brands and models, I decided on the Parasound A23. The A 21 amplifier is loaded with usable features above and beyond most other amplifiers. - Shane Mattson, Audioholics, December 2004 Special relays bypass the AC "soft start" circuitry after it's done its job for the purest AC and the purest sound. 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. These are amazing amplifiers, especially given the price. Depth with cables: 21-1/2" (546 mm), Shipping Weight Standby: 1 Watt Manuals. Page 4 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 → > 63 dB at 20 kHz, Input sensitivity: 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." > 115 dB, input shorted, IHF A-weighted Page 18: Technically Speaking 4 Ω load and a 4 Ω speaker appears as only a 2 Ω load. 1000 watts x 1, 8 Ω < 0.1 % at full power The HALO A23+ stereo power amplifier that is reviewed here is the updated version of the HALO A23 amplifier. Parasound decided to update their already brilliant A 21 power amplifier which had become a staple for their brand for over 10 years. This RA number must be clearly marked on the outer carton only. Overall Rating: 5/5 Stars - Ken … (39.9 kg), Power Requirement Bringing to the forestage all the instruments previously hidden behind the scene. 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… Unbalanced: 33 kΩ About The Forum Updates. Details about Parasound Halo A21+ Stereo Power Amplifier See original listing. Balanced: 1 V per leg, S/N Ratio Product of the Year Award 2004 - Two-Channel Power Amplifier Parasound Halo A21+ Stereo Power Amplifier: Condition: Used. Post a comment. 300 watts x 2, 8 Ω both channels driven 20 Hz - 20 kHz, +0/-0.25 dB, Total Harmonic Distortion (THD) 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. I am the second owner and it is in pristine condition. > 70 dB at 20 kHz, Input Impedance “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. Power Output â Stereo Mode (0.1% THD) 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. 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. ", SoundReproduction.com, October 2005 Overall Rating: 5/5 Stars - Ken Stein and Steve Dellasala. 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+. Shipping: Local pick-up offered. The A23+ has improved components and can deliver 28% more power than its predecessor. The Parasound Halo A 21+ and A 23+ are now available in silver or black finishes through Parasound dealers. 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. 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. That was a good move, because that was when I came across the Parasound A21. Parasound HALO A21 Amplifier overview and full product specs on CNET. Gift Guide. 1 V for 28.28 V, THX Reference Level, Input impedance: ... PARASOUND HALO A 52 Five-Channel Power Amplifier, RCA/XLR Inputs - Great. 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. 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 … Shop By Price. The front panel of the Halo A 21+ has a modern, clean appearance. Width: 17-5/8" (448 mm) Typical Listening levels: 300 Watts XMC-1 Firmware. 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. Depth: 20" (508 mm) > 80 dB at 1 kHz 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 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. Holiday Gift Guide 2020. 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. ", Positive Feedback January 2019 Parasound Halo A21 for sale. Ended: Jan 07, 2021. Power measurement are at 120 VAC: 0 item(s)$0.00 Parasound a-21 two channel power amplifier high end 500 watts rms good like new. The Halo A 21+ is an ultra-high performance Class A/AB stereo power amplifier. 60 amps peak, per channel, Slew Rate This unit was meticulously cared for. ! Details like soundstage depth, focus, and texture is where the A 21+ puts real distance from the A 21. Pre-Owned. 250 watts RMS x 2, 20 Hz - 20 kHz, 8 Ω, all channels driven "The Parasound Halo A 21 and A 51 are top rate amplifiers at a great value. or Best Offer +$100.67 shipping. 33 k Ω unbalanced; 66 k Ω balanced, S/N ratio: "The A 21 and A 51 amplifiers are both loaded with usable features above and beyond most other amplifiers in today's market." Maximum: 1400 Watts, Stereophile March 2020 Parasound Halo A 21+ Stereo Power Amplifier Changes from the original A 21→A 21+ 250 → 300 Watts (8Ω) 400 → 500 Watts (4Ω) | See ... Changes from the original A 21→A 21+ 112 dB, input shorted, IHF A-weighted, Dimensions: ", Audioholics, October 2004 "This amazing group of equipment best demonstrates the audio industry's present state of the art. "Out of the box the A 21 sounds wonderful. Rachael Bee Miembra muy loca. Stereophile: "The Parasound A 21+ is remarkably powerful, transparent and quiet. ", Home Theater Review Feb 2020 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. As such, it imposes no constraints on one's desire to listen through it to the recorded performance or to experience the size, … "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." Continuous power output: 3 = Negative (Return), Dimensions 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. On January 1, 2020, suggested retail prices were adjusted as follows: The A 21+ was reduced from $3,150 to $2,995. RMC-1, RMC-1L, and XMC-2 Firmware. 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." "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. 500 watts x 2, 4 Ω both channels driven, Power Output â Bridged Mode (0.1% THD) 17-1/2" w x 7-5/8" h x 20" d, 7" h without feet, Stereo&Video (May, 2014) The A 23+ was increased from $1,495 to $1,595. < 0.03 % at typical listening levels, Inter-channel Crosstalk 2 mV - 10 mV, XLR Pin Identification Height without feet: 7-1/8" (181 mm) Those shopping for a stereo amplifier in this price range should give the A 21+ serious consideration. $1,149.95. 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