Their four current product lines are: ZoneMaster, for stable power amplification into impedances of 2 ohms, and outboard crossovers for multi-speaker custom installations; the Z models, half-rack-space components also intended for the custom market; NewClassic, their budget line; and the Halo line, which comprises their most extensive, expensive, and highest-performing models. 2 mV - 10 mV, XLR Pin Identification The rambunctious second movement of Bruckner’s large-scale Symphony No.9 delivers deliberate punch in energetically throbbing unison ostinato in the recording with Gustavo Dudamel leading the Gothenburg Symphony Orchestra (24/48 AIFF, Deutsche Grammophon/HDtracks), and the Parasound delivered room-filling sound, the timpani extending deep into the low bass without congestion. Reviews of Attainable Hi-Fi & Home-Theater Equipment. The A 23+ offers 45A peak current per channel, and has gold-plated terminals and sockets, discrete Junction Field Effect Transistors (JFETs) for inherently high-impedance input, and Metal Oxide Semiconductor Field Effect Transistors (MOSFETs) to reduce odd-order harmonic distortion in the driver stages. 34 lb. There are also A/B speaker terminals with individual on/off functions. i'm looking at upgrading my amp which is a NAD C320BEE. 210 watts x 2, 8 Ω both channels driven Parasound Halo A23 $995 Parasound’s A23 isn’t the last word in low-end authority, and it’s a bit cool in the midrange, but what it lacks in oomph it makes up for in finesse and pitch definition. The first amp started making hideous noises within an hour of listening but getting another one from my dealer calling Parasound was not a problem at all. 160 watts x 2, 8 Ω both channels driven Network. Side note - while there's no problem finding reviews on Parasound amps, I looked long and hard and couldn't find even a hint of a real review on one of the Emotiva DR models - and they've been out for a while now. Different kinds of music made us appreciate the unusual character of this amplification. The power cord provided was, appropriately, quite a bit heavier than that provided with a typical component. The A 23+ can be switched between its Stereo and Bridged Mono modes with a single toggle switch between the sets of left- and right-channel inputs -- in bridged mode, the Halo A 23+ delivers an astounding 500W into 8 ohms throughout the entire audioband (20Hz-20kHz). I was impressed by its quietness, the amount of power it could swiftly deliver, and its tremendous dynamic range. Unbalanced: 1 V < 0.06 % at full power In the Halo A 23+, Parasound has delivered an impressive power amplifier. During my time with the Halo A 23+, these never reddened. As Sherman traversed his instrument’s range, I could follow the movements of his mallets across the soundstage with the A 23+. Height, with feet: 4-1/8" (105 mm) Parasound has a great rep and is as you say "old school". Parasound Halo, ZoneMaster, Z Custom, and NewClassic are four distinct product families. The sound has been superb. "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." This site was designed by JoomlaShack, Karen Fanas, and The SoundStage! We put Parasound’s HINT 6, a powerful and seriously versatile stereo amplifier, through its paces. To contact us, please e-mail info@soundstagenetwork.com, Rotel RB-1582 MkII Stereo Power Amplifier, Musical Fidelity M6i Integrated Amplifier, Definitive Technology Mythos ST-L SuperTower Loudspeakers. This was also particularly true of its reproduction of recordings of double bass. The low end felt precise, controlled, and natural, as evidenced in this symphony’s many passages for timpani. Parasound A23, if your A23 is running HOT it’s either deficient (a defective part, or circuit improperly repaired or altered), or it is extremely confined and without normal free air circulation. Stereo+ (Norway) January 2019 "Together, the Parasound P 6 and A 23+ are dynamite. This is pop music as film soundtrack -- the Parasound delivered the roller-coaster with impressively expressive dynamics on a soundstage populated by detailed aural images. 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. An impressive power amplifier." i'm considering NAD C272/C162 or Parasound A23/P3 or possibly the NAD C372. At far right are the fuse bay, the main power switch, and a three-pronged IEC power inlet. With the recording of Bruckner’s Symphony No.9, for example, the Halo sounded generally cleaner and more refined -- a definite step up in sound quality. (14.4 kg), Power Requirement So you can justifiable say the original Hint was closer to the current A23+. As Parasound defines it, value begins to decline when additional cost provides only marginal and diminishing returns, and increases when a product is reliably functional over decades. At far left are some interesting alternatives to turning on the amp with its front-panel On/Off button. It is stylish, packs sufficient amplification power, and delivers solid high-fidelity sonic performance. 500 watts x 1, 8 Ω The component under review, the $2000 Halo A 21 stereo amp, is slotted in further down the Parasound line. For the same amp that was used in the Hint. Standby: <1 Watt Toward the end of this review, I received the new Parasound Halo P6 preamp that will solve this woe. STEREOPHILE PARASOUND on display: PARASOUND HALO A23+ stereo power amp, 160-240W/ch JC1* Power amps, 400- 1200W/ch JC3jr* Phono preamp P6* Stereo preamp with built-in DAC Stereo Integrated Amp with built-in DAC PARASOUND CLASSIC 2100 Stereo preamp 2125 stereo power amp, 125-200W/ch PARASOUND Z - Only 9.5" wide! (Rack-mounting kits are available for all models in all lines.) The strata of instruments -- piano, strings, woodwinds -- remained distinct, producing an exciting feel. I … As the amp was placed atop the preamp, this configuration made sense, and the Halo’s auto-sensing worked reliably. Sticker shock, and a lot of good reviews online and from friends with their amps, led me to Emotiva. Both channels are driven, with 150 watts-per-channel into 8 ohms. While I’d never thought the NAD lacked for power, the Parasound offered much more, and was able to deliver it with greater control across the audioband. hi - i'd like your input with regard to a possible purchase. Parasound Products was founded in 1981, in San Francisco, by Richard Schram, whose mission was to provide value for the money to his customers. Yes, this is how HiFi is fun." Its replacement, the Halo A 21+, is priced a little higher at $2,995. . Note: Measurements can be found through this link. AC mains voltage is set on rear panel, LowBeats (Germany) November 2020 Bridged 4 Ω operation is not recommended The Parasound managed just fine without it. I am also thinking of buying 2 RSL 10" subs. It supplies a surprising amount of understandable technical information in regard to … Parasound at Rocky Mountain AudioFest 2017 - Stereophile review by Herb Reichert. The Halo HINT 6, retailing for $2,995, is Parasound’s flagship integrated amplifier. In the extensive write-up provided in the Owner’s Guide, Parasound design consultant John Curl says: “The circuits I design for Parasound are extremely sophisticated and are typical of products that are far more expensive. But thanks to better technology and improved design, things are changing. The consistently very supple reproduction and simultaneously true-to-size presentation and pin-point positioning of individual instruments and voices is amazing. https://www.techradar.com/.../amplifiers/parasound-p3-a23-704161/review Yes I know the Fortes have quite good bass extension. 5 Hz - 100 kHz, +0/-3 dB I am thinking of pairing the Parasound Halo A23 with the Parasound Halo P-5 preamlifier I am also thinking of buying the Yamaha A-S801. After 15 years of devoted service, Parasound has retired its beloved Halo A 21 amplifier. 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. Category: Amplifiers Parasound Halo P-3 Preamplifier and A-23 Power Amplifier Reviewed by David O’Gorman I purchased this unassuming little duo from a reputable seller on Audiogon ($1225 for the pair, N-I-B), without having *ever* heard them in a stereo salon. Parasound’s expertise gained from years of building much-admired amps and preamps shows here. Parasound Halo A 23 - power amplifier | A23. Rapid changes in the ranges of frequency and dynamics, and spatially across the soundstage, were effortlessly accomplished. The power was clean and clear. Bridged 4 Ω operation is not recommended, Power Output – Bridged Mode (0.9% THD) Parasound serves both the consumer and professional markets; their products have been used by multiple Oscar-winning sound designers, from such studios as Lucasfilm, Pixar, Sony Pictures, 20th Century Fox, Universal Pictures, and Warner Bros. Parasound currently makes preamplifiers and phono preamplifiers; mono, stereo, and multichannel power amplifiers; and integrated amplifiers; in the past they’ve offered AM/FM tuners, loudspeakers, preamplifier-processors, CD players, and DACs. Access (formerly GoodSound!) Audio. 240 watts x 2, 4 Ω both channels driven, Power Output – Stereo Mode (0.9% THD) The punctuated call-and-response phrasing later in the work was also quite clear. The Parasound reproduced the extremes of low-frequency percussive punch and finessed the emotive flutes, excelling at highlighting microdynamics and timbral characteristics; the NAD provided less in the way of such contrasts. System: - Parasound A23 amp - Parasound P3 preamp - Paradigm Studio 100 / v2 This is a response to the previous, rather negative, review. On the Halo A 23+’s rear panel are balanced (XLR) and unbalanced (RCA) inputs; each channel has a toggle switch for choosing between them, as well as its own loop output (RCA) for additional amplification (e.g., a subwoofer), and a Gain knob. The second amp I have never had a problem with. The company's new NewClassic 200 Integrated is, as you might well guess, an integrated amplifier, with a high-quality onboard digital-to-analog converter section. "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. This was fixed in A23+ and the power went back up to 160W for the exact same design. In “Lester Leaps In,” from Bucky Pizzarelli’s Swing Live (24/96 FLAC, Chesky/HDtracks), Michael Moore’s bass was more intense and driving through the Parasound. Depth, with cables 17" (432 mm) When my source was Cambridge’s CXN (V2) network player, what most impressed me about the Halo A 23+ was its clarity in the delicate introductory solo of Saint-Saëns’s Introduction and Rondo Capriccioso for Violin and Orchestra, performed by soloist Leila Josefowicz with Sir Neville Marriner conducting the Academy of St Martin-in-the-Fields, on their Bohemian Rhapsodies (16-bit/44.1kHz FLAC, Philips). A fully "in spec" A23 won’t ever get more than mildly warm, even when pushed fairly hard into a nominal 4 Ohm load (air circulation normal). Typical Listening levels: 125 Watts < 0.03 % at typical listening levels, Inter-channel Crosstalk Parasound uses several protective measures to deal with so much power: DC servos to maintain the DC offset at 0VDC; relays to protect speakers from pops and transients; current-overload monitoring; and separate fuses for the input and output voltage rails. 2 = Positive The Parasound really came into its own at higher volume levels, sufficient juice for which it had no trouble providing to my Sonus Fabers. specs. Although the two amps share some specifications, in terms of sound the Parasound consistently bested the NAD. Outstanding! » English Translation PDF, Secrets of Home Theater & High Fidelity, November 2020 Sidebar 3: Measurements I tested the Parasound Halo A 21+ with my Audio Precision SYS2722 system (see the January 2008 "As We See It"). Pure sonic magic with brilliant dynamics, delicious midrange and impressive resolution. Parasound's power amp is able to bring out the best bass from speakers. The two binding posts support speaker cables up to 10AWG. These attributes of the Parasound’s sound were much more pronounced with well-recorded, high-resolution recordings than with run-of-the-mill CDs. The A23's innards are almost entirely discretes and most of the traces run on the underside of the board, making it hard to probe around to reverse engineer the amp's schematic, but presumably Parasound does this so they can deliver balanced and unbalanced signals to a balanced input stage and save a bit of cost. Through the NAD, it had less energy and verve. It’s an impressive set of features. The Parasound elevated this recording -- its introduction builds a gradual crescendo with layers of instruments that then suddenly cut out, leaving only Amos’s voice and acoustic piano. "There is a lot to like in the reasonably-priced Parasound HALO A 23+ stereo amplifier. Balanced: 1 V per leg, S/N Ratio There’s a dedicated preamp feed too. based on most comments i've read the amp/pre-amp … Idle (no music playing): 75 Watts . In much the same way, “Shattering Sea,” from Tori Amos’s Night of Hunters (24/88.2 FLAC, Deutsche Grammophon/HDtracks), an acoustic tone poem presented as pop music, lost much of its urgency with the NAD. 1 = Ground (Shield) The Halo A 23+ includes a number of upgrades from its predecessor, the Halo A 23: The power output in mono has increased from 400W to 500W; in stereo, the increase is from 125 to 160Wpc into 8 ohms, and from 225 to 240Wpc into 4 ohms; the filter capacitors have been upgraded, from 40,000 to 54,400µF; the large, shielded toroidal transformer, formerly 1.0kVA, is now 1.1kVA; the crosstalk has improved, from 63 to 70dB; and the speaker terminals are now the “heavy-duty” ones used in the Halo HINT 6 integrated amplifier. "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. is part of. Via unbalanced (RCA) interconnects, I fed the A 23+ audio signals from my primary sources, a Music Hall MMF CD-25 CD player and a Cambridge Audio CXN (V2) network player. © Parasound Products, Inc. All right reserved. Its case is available in silver or the black of my review sample, which looked very elegant. I found that the Halo A 23+, given enough breathing space on top, ran cooler than my NAD C 356BEE integrated amplifier. Moreover, this reasonably priced amp is musically quite involving. It is a one-box solution that contains both the Halo P6 preamp ($1,499) and the Halo A23+ amplifier($1,499). Available in black with gold accents or silver, the HINT 6 is aimed at those who want the simplicity of having one piece of equipment versus two or more separate components, it also eliminates the need for additional power and interconnect … (With a class-AB output stage, one-third power results in the maximum dissipation in the output devices.) "Parasound provides great value in the Halo A 23+. The Emo has less power 50W @ 8ohms VS 125W @ 8 ohms, but Emo is just more musical to me (so is the HCA 3500). Description Since 1981, Richard Schram, founder and CEO of Parasound Products, Inc., has built the brand on making audio components that look and sound expensive, but sell for much less than it appears they should. Parasound Halo A 23+ Stereo/Mono AmplifierPrice: $1495 USD.Warranty: Five years parts and labor. RMS continuous power, full audio band (20 Hz - 20 kHz), Current Capacity A vibraphone comprises an array of tuned aluminum bars that are struck with cord-wrapped rubber mallets. The aural images of the instruments on this intimate recording of an acoustic jazz quintet were also more defined through the Halo. That original Haloone-box proved an extensive feature list and a great performance weren’t mutually exclusive, an… The weaknesses pointed out: overheating and weak bass CAN be a problem, but they can be overcome, and the end result is a great amplifier. As Parasound defines it, value begins to decline when additional cost provides only marginal and diminishing returns, and increases when a product is reliably functional over decades. All contents available on this website are copyrighted by SoundStage!® and Schneider Publishing Inc., unless otherwise noted. Available in black with gold labeling, like the review sample, or in silver with black labeling, the A 23 measures 17 1/4”W x 4 1/8”H x 13 1/4”D and weighs a hefty 28 pounds. ", Soundstage Network  July 2019Reviewer's Choice Parasound calls the Halo Integrated a 2.1 channel amplifier. 600 watts x 1, 8 Ω The reproduction of this recording takes a light but deliberate touch, and the A 23+ delivered it with well-managed dynamics in the solo violin, orchestral strings, and rumbling timpani. 45 amps peak, per channel, Slew Rate Then, after ten minutes of receiving no signal, the Halo A 23+ will shut itself off. In the world of hi-fi amplifiers, lots of features often means a compromised sonic performance. I found that the Parasound didn’t suffer from power-line inconsistencies, as my NAD C 356BEE integrated amp ($900) does when plugged directly into the wall -- which is why I plug the NAD into an APC Line-R LE1200 power conditioner. Gold-plated RCA input jacks ensure quality sound playback. I preconditioned the amplifier by operating it at one-third the specified power into 8 ohms for an hour. Features include c ircuitry designed by legendary John Curl, upgraded power output, transformer, filter capacitance, internal connections, speaker terminals and cosmetics. While their focus was clearly on sound and build quality rather than a long list of features, they’ve nonetheless provided enough flexibility to satisfy a variety of users. I went with Emotiva because the equivalent amps I expected to get had increased so much in cost since I last was in the market. (In this intimate recording, the vibes and Barron’s piano together occupy a big share of the soundstage.). > 130 volts per microsecond, Frequency Response 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. 20 Hz - 20 kHz, +0/-0.25 dB, Total Harmonic Distortion (THD) Back to Emotiva TA-100 VS Parasound A23, it is a conundrum. The A23… Maximum: 800 Watts All rights reserved. Parasound did a thorough job in writing the manual for the A21+. I purchased the Parasound A23 amd with the P3 preamp and the T3 tuner with a pair of Paridigm 60/v2 speakers. The Halo A 23+ stereo power amplifier ($1495 USD) measures 17.25”W x 4.2”H x 15.25”D and weighs 27 pounds. Frustrated, and for the sake of this review, I was forced to speculate about the nature of accurate and neutral. High bias Class A/AB operation. Parasound provides great value in the Halo A 23+ power amplifier. The NewClassic 200 Integrated is a modification of Parasound’s NewClassic 200 Pre-Amp, meaning it’s pretty much the same unit with the addition of an amp section. In “Venture Within” from Interplay, a duo album by Kenny Barron and Mark Sherman (24/192 AIFF, Chesky), Sherman’s vibraphone strokes were definitive and reverberant. At lower levels, Josefowicz’s E-string glissandi had a slight tendency to get lost against the orchestral backdrop in Sarasate’s showpiece Zigeunerweisen. ", ON-OFF  (Spain) September, 2019 Parasound, a Bay Area maker with a half-century of success walking the parapet between high end audiophilia and value-engineering design, apparently concurs. Sathyan Sundaramsathyans@soundstagenetwork.com. Re. Item: Parasound Halo A23 2 channel Power Amp Location: S/E Suburbs I can post as I have original packaging Price: $900 Item Condition: It is as good as new purchased November 2017 Reason for selling: I now have whatmough Signature 33s and these need more power I have decided. Unbalanced: 33 kΩ This sounds like an Amplifier made for movies, and I think it will do well in that section. Parasound 2125v2 150 Watt Stereo Power Amplifier The Parasound 2125v2 is a two-channel THX Ultra2 Certified power amplifier. One incredibly appealing preamp-amplifier package from Parasound.". *All Power measurement are at 120 VAC, The Halo A 23+ drove my Sonus Faber Principia 3 minimonitors. Parasound’s feature-packed high-end amplifier is a knockout. The A23 was not considered one of the best efforts at Parasound. Its rectangular metal faceplate has rounded plastic end plates at left and right, a case of folded sheet metal, and most of its top plate is pierced by ventilation slots. Meet the Halo A 23+ and enjoy performance upgrades for cleaner, ultra-low distortion sound, revised front panel cosmetics, and a revised rear panel layout offering enhanced features, too. 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