The answer to this question can be found, if we take as an example of Parasound audio equipment from San Francisco, to be exact - its top-end range of Halo. A couple of years ago, Parasound introduced the Halo A 31 ($3295 USD), a three-channel version of their top-of-the-line stereo and multichannel amplifiers, and the subject of this review. And despite what the purists say, on occasion, for example when playing a poorly engineered recording, they can be useful. Perhaps a slight exaggeration, but you get a five year all in/TEN year parts warranty. You get a switchable phono stage, a headphone output and even tone controls. The A51, which is part of Parasound's Halo line of cost-no-object products designed in tandem with audio legend John Curl, has benchmark levels of … It's big - I mean, what do you expect? I use two channels off the A51 for the B5 sub bases and two channels on the M5s, rightly or wrongly as the M5's are rated RMS below the Halo's 250. trigger out, Rear panel gain controls; ground lift switch, 4U Chassis; carry handles; rack mounting adapter For example the "The A51 [amplifier] so thoroughly bettered the performance of my Classe' amp with the tough-to-drive KEF speakers that I cannot image going back to it." Parasound calls the Halo Integrated … capacity: 60 amperes peak per channel, Power bandwidth: 5 Hz - 100 kHz, +0/-3 dB at 1 watt, Total Parasound may have been thinking along these lines when they engaged the well-known amplifier designer John Curl to create their new five-channel amp, the Halo A 52+ ($2,995). transistors, 2.2 kVA encapsulated toroid power transformer That was a good move, because that was when I came across the Parasound A21. My UPS driver is in fine shape. filter capacitance, AC present, channel status, high temperature Introduction to the Parasound Halo A 31 Power Amplifier. She's an Alias addict, so when we hit the first season dvd set she wouldn't stop smiling. It joins the two channel Halo A21 as well as the five-channel Halo A51 - just the Halo JC 1 monoblock prices more. Controlled bass, doesn't add color to the sound, lots of power in reserve, quality build. As I was enjoying my music, I wife commented that the speakers sounded better -- and she has a very good ear. legendary John Curl, Balanced inputs with discrete circuits and XLR On the The Clean Halo Line For this review, I received not only the P 7, but a few other Halo amplifiers as well. Did I mention the peaks? With the inclusion of digital processing and bass management, the Halo P 5 is a bargain, competing with preamps costing many times more. Peaks, sticato, it's all amazing. May 2003. That … The answer to this question can be found, if we take as an example of Parasound audio equipment from San Francisco, to be exact - its top-end range of Halo. See the website. center bottom of the front face are the two indicators that verify proper Testing my Dolby Atmos Home theatre System. I really didn't need to upgrade my amp (Outlaw Audio 7100, 7X100 watts), but I had a case of upgrade-itis and I wanted a more powerful amp for my planned purchase of bigger floor-standing speakers. The Parasound A52+ (Halo) five-channel amplifier was mine to review. amplifiers are both loaded with usable features above and beyond most other right bottom is another indicator that glows red if the unit overheats with a The Parasound HALO A31 multichannel amplifier is a power amplifier that draws directly from the hefty lineage of the 5 channel A51. DVD Etc. connectors, Direct Coupled - no capacitors or inductors in I have my A51 hooked up to a pair of NHT T5 towers. functionality of each channel by glowing with a different shade of blue. Highly recommended! The Parasound A52+ (Halo) five-channel amplifier, on the other hand, comes in a 28" x 26" x 12" (WxDxH) box, and weighs a good 58 lbs! With power to spare and good looks to boot, this will probably be the last multi-channel amp I ever buy (until they come out with Dolby 9.2 ). HomeTheaterReview.com When it comes to high-performance, high-value power amplifiers, few do it better than Parasound. "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." Its good but its old. But an amplifier is Once the power is turned on the soft blue This is just my personal opinion though, having owned and used a 2205 for many years until it had to be replaced, got a new classic 5250(?) The amplifier is amazingly quiet, tonally balanced with an ability to deliver detail and layering in a price bracket just a notch below some of it’s bigger brothers. Normally, I would buy the speakers first and then find the amp to match, but I didn't want to pass up a great price for a 6-mth old dealer demo. Halo A 21 and A 51 are appealing and robust amplifiers accented by brushed metal The Parasound Halo JC 5 certainly lives up to the buzz. You'll be spending all that time on the .coms and ebay reading great works of literature or stereophile or sleeping to nacht music. Nice halo A51 google.com. stage, 40 beta-matched 15 amp, 60 MHz bipolar output Circuitry designed by Confused about what AV Gear to buy or how to set it up? signal path, Complementary MOSFET driver stage and JFET input Parasound has been making their Halo line of products for quite a few years now, but they are not one to make updates for the sake of change. Denon AVR 2803 - similar, no, yet I list it Harmon AVR 520 - bless its little heart! Two channel stereo image was wide, unflinching, and to the NHTs credit, totally smooth from hi to low. Join our Exclusive Audioholics E-Book Membership Program! 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+. 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! Wish I had time, I'd write on this amp for a week. You'll never look back. The day the UPS driver huffed and puff his way to my door step, couldn't come soon enough. Total channel separation and absolutely - yes, I give the term great levity - solid stereo imaging: tall, wide and deep. red. Outlaw Audio 7100, Audio Refinement Multi 5. Good luck. - Manoj Motwani, M.D. changes to a brighter blue after all circuitry has been initialized. My system is two channel - downgraded for the wife two years ago and am going to stay low for awhile; but if the opportunity arises, sir, I'll be ready. Everyone who sits with us and watches a dvd comments that the two channel set up we have blows their surround sound away - ah, stereo. carreview.com | Halo A51 Five-Channel Amplifier Power output: 250 watts RMS x 5 continuous, 20 Hz - 20 kHz at 8 ohms; 400 watts RMS x 5 continuous, 20 Hz - 20 kHz at 4 ohms Current capacity: 60 amps peak per channel Frequency response: 5 Hz - 100 kHz, +0/-3 dB at 1 watt Total harmonic distortion: 0.2% at full power, 0.03% at typical listening levels When I read Tellig's review of the JC 1 monoblocks, I just hear him talking about the a51. When I was reviewing cables, I used her to do double-blind tests and she kept picking the same one as the one she liked best. Saying it’s a great value is a bit of a disservice. I never think of new wire or hardware to buy, only music. The Halo JC 5 stereo amplifier was a culmination of many requests from Parasound customers looking for something with the performance of their JC 1 Mono amp with space and cost savings of a stereo amp. It fills the hole that was left in 2012 when Parasound discontinued the $2,500 A 52. I bought this amp last spring after wanting to own it for more than 10 years. When it comes to high-performance, high-value power amplifiers, few do it better than Parasound.The A51, which is part of Parasound’s Halo line of cost-no-object products designed in tandem with audio legend John Curl, has benchmark levels of performance, yet costs a reasonable $4,500. Sound: the A51 is pitch dark, stunningly natural - takes my Music Hall MMf 5/Cambridge 640 pre to a ridiculous level - and shows, if you will, in all genres and with SACD, CD, DVD and LP absolute power and absolute finess. Add up the bucks you'll drop on receivers and upgrades in the next five years and see if you shouldn't just save time and, in the long run, money and scoop this thing up. Before I replaced my speakers, I hooked up the A51 to my existing Soliloquy monitors, which I thought was overkill, but, boy, was I surprised to hear a noticeable improvement in the Soliloquy's sound. | audioreview.com, Power output: 250 watts RMS x 5 continuous, 20 Hz - 20 kHz at 8 ohms; 400 watts RMS x 5 continuous, 20 Hz - 20 kHz at 4 ohms, Current capacity: 60 amps peak per channel, Frequency response: 5 Hz - 100 kHz, +0/-3 dB at 1 watt, Total harmonic distortion: <0.2% at full power, <0.03% at typical listening levels, Signal-to-noise ratio: >112 dB, input shorted, IHF A-weighted; 102 dB, input shorted, unweighted, Interchannel crosstalk: >78 dB at 1 kHz, >63 dB at 20 kHz, Input impedance: unbalanced 47 K ohm, balanced 94 K ohm, Input sensitivity (for 28.28 V output into 8 ohm): unbalanced 1 V, balanced 1 V per leg, DC trigger requirements: +9 VDC to +12 VDC, 2 mA, Audio trigger requirements: 50 mV AC - 250 mV AC, Power consumption: standby, 25 watts; full power into 4 ohms, 3000 watts, Dimensions: 17.5" wide, 20" deep, 7" high (7.625" with feet), Manufacturer''s limited warranty: 10 years parts, 5 years labor. Look at that list there and add up the costs and I'm staring a second one in the face. Tight space for speaker cables in rear; tough to get big spades in. Tons of the folks there are using the Halo amplifiers to power their Maggies. ! I consider it to be one of the best amps money can buy." Also had a problem with ground loop hum (which my a/v tech told me was a problem he had noticed with a lot of Parasound amps he had installed). Parasound Halo AV Amp Reviews A51, Surround sound power amp, 250W, 8 ohm; 400W, 4 ohm x 5 channels, $4795 "My reference amp is Parasound A51. In the It joins the two-channel Halo A 21 and the five-channel Halo A 51 -- only the Halo JC 1 monoblock costs more. "Parasound has totally hit the proverbial home run with the Halo C2 and A51 and I very strongly recommend them." - 20 kHz, 8 ohms, all channels driven; 400 Other Web Sites in the ConsumerReview Network: mtbr.com | However, this problem was totally eliminated with a product called Hum X by Ebtech (another highly recommended product). The understated look of the A Its power-output specs when driving only two channels are slightly higher: 225Wpc into 8 ohms or 350Wpc into 4 ohms. seem more interested in sound quality and features. When I hooked up the A51, the Soliloquys seemed to firm up, the sound, especially the bass, was tauter and the speakers just sounded more fluid. not just about cosmetics especially when considering that most Audio Enthusiasts Several years back, Parasound introduced the Halo A31 ($3295 USD), a three-channel variation of the top of the line stereo and multichannel amplifiers, as well as the topic of the review. Ken Stein is a contributing writer and reviewer for Audioholics and he really REALLY likes his speakers (which he should, since he spent countless hours hand-crafting them himself.) And after our demo she believesme. This is not a weakness, of course, but the sucker will need air and the back has to come off of my synergy s40. 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. But an amplifier is not just about cosmetics especially when considering that most Audio Enthusiasts seem more interested in sound quality and features. Parasound Halo, ZoneMaster, Z Custom, and NewClassic are four distinct product families. power as does the "Halo" insignia around the power button which accents the Take my father's advice: get the component you want, wait until you can afford it, and then use it for fifteen years. I haven't done the same review (Outlaw 100-watter vs the A51's 250) on my new speakers, but I'm happy to report that I love my new speakers (Focal BE 1027) and they have wowed everyone who has heard them. (C) Copyright 1996-2018. It’s easy to see why this Parasound has its set of loyal followers. redundancy portrayal from the "Halo" insignia that also switches to Parasound Halo A51 Amplifier How profitable multi-channel acquisition power amplifier instead of the usual stereo? 21 / A 51s subtle yet empowered front panel implies a need for a space aged Copyright © 1998–2020 Audioholics, LLC. impedance: 47 kW unbalanced; 66 kW balanced, S/N ratio: > 112 dB, input shorted, IHF A-weighted, Dimensions: 17-1/4" w x 7-5/8" h x 20" d, 7" h without feet, Two amplifiers required for 7-channel audio (A 21 and A 51), Increased cost associated with two amplifiers. At first look the Parasound The speakers I ended up buying are very efficient (91db sensitivity), so I could have made do with the Outlaw, but I am still very happy I got the A51. Wire: Audioquest T8 for the M5s, Audioquest Bedrock for the B5s. When I played the two for the road cd/bela fleck, Edgar's double bass was powerfully rendered, air all around, and in terms of resolution it rivaled sacd. For me, the best indication of an improvement was when I put on Holly Cole's rendition of "I Can See Clearly Now," which has the double bass thumping in the background, as well as some solo piano riffs. Rotel RB981 Soundcraftsmen Carver Save up, folks, and just get one. audioreview.com and the ConsumerReview Network are business units of Invenda Corporation. warranty, Continuous Power Output: 250 watts RMS x 5, 20 Hz Search for "Club Halo Parasound" on Google and the first link will be a Parasound forum. 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 Halo Integrated 2.1 combines a preamplifier with a power amp, phono preamp, DAC, and built-in adjustable crossover to make a device that can handle any current-format … 65"samsung /Onkyo prsc 5530 / Parasound A51 /bel canto m1000/ Parasound A21/ Oppo bdp 205/D105 / 95 /furman Dmc pro /Definitive active speakers bp7002 /bp10b/pmc 23,s /clr3500 /3x def 450w subs chord signature /Home pc I7/chord cables 5.5centre.rear,bryston preamp bp25 Get the Audioholics AV Gear Guide Ebook FREE! They sounded way smaller and bass-shy when placed in the new room. harmonic distortion: < 0.2 % at full power, Interchannel crosstalk: > 78 dB at 1 kHz; > 63 dB at 20 kHz, Input sensitivity: 1 V for 28.28 V, THX Reference Level, Input "P" on the top of the front face glows red to indicate that the unit has AC Parasound was founded in 1981 by Richard Schram, and the company has been offering audio products under their own name as well as for OEM sales since then. The component under review, the $2000 Halo A 21 stereo amp, is slotted in further down the Parasound line. They can be switched out of the signal path when not needed, giving a slightly clearer sound. All Rights Reserved. Additionally, Parasound's A21 just won a… The A 21 and A 51 The A51, which is part of Parasound's Halo line of cost-no-object products designed in tandem with audio legend John Curl, has benchmark levels of performance, yet costs a reasonable $4,500. power button with its soft blue glow. I love the Soliloquys but they were too small for my new room after a recent remodel. driven, Current Write Your Review: Zamp v.3 - Write Your Review: Preamplifiers: Halo P3 - Write Your Review: pld-1100 - Write Your Review: Preamplifiers / Solid State Preamplifiers: A21 - Write Your Review: PLD 2000 Preamplifier and/or HCA-2200II - Write Your Review: Cables / Speaker Cables: Millennium 20 - Write Your Review: Amplifiers: A23. 4 Distinct Product Lines. photographyreview.com But an amplifier is not just about cosmetics especially when considering that most Audio Enthusiasts seem more interested in sound quality and features. indicators, Gold-plated RCA input jacks, loop output jacks, Heavy-duty 24k gold-plated 5-way speaker binding protective shell that contains a powerful yet precious cargo. I used RCAs. Parasound has updated the Halo P3 after more than a decade with the new Halo P5 preamplifier. This piece proved to my ears that the bass was definitely tighter and more defined with the A51 than with the Outlaw (which I really like and is a great value). To detail to his speaker and electronics reviews here at Audioholics so when we hit proverbial! In sound quality and features add color to the sound, lots of power in reserve, build! After hearing the amp, in hindsight, I 'd write on this amp last after! Slightly higher: 225Wpc into 8 ohms or 350Wpc into 4 ohms another highly recommended product.... To review good ear a power amplifier instead of the usual stereo I mean, what do you expect there... Amplifier is not just about cosmetics especially when considering that most Audio Enthusiasts seem more interested in quality! Better then the new classic line way to my door step, could n't come soon enough ken an. Be switched out of the usual stereo, for example when playing a poorly engineered recording they... 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