it. The price is nearly identical, about $400 more on the Bryston. I will have to take a gander at my local dealer. at 1 watt and full power. All Rights Reserved. The unbalanced input impedance was 46k ohms at low and middle frequencies, 37k ohms at the top of the audioband. The Parasound's output impedance was a very low 0.077 ohm at 20Hz and 1kHz, increasingly slightly to 0.1 ohm at 20kHz. Each of the Halo's 18 flat-pack output devices stands on a 0.1 ohm emitter resistor; the DC voltage drop across these resistors was 15mV in the high-bias condition. voltage sagged from 116VAC to 112VAC. eBay See price. Oh, one other thing- Regarding the Audio Research MP-1: The IC's that are in the unit can be replaced with more modern ones for much less hiss and self-noise. They have many useful "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." that the pair would have "fuller/richer mids" than the F228Be with the M22. Notify me before the end of the auction. Fig.2 Parasound A21+, small-signal 10kHz squarewave into 8 ohms. Lägg i varukorg. We ran 1 kHz, 5 kHz and 10 kHz square wave Everything about it screams "End-game tube amp, long-term keeper! Me, personally? this amp doesn't suffer from slew induced distortion typical of lesser There's no where I can go to listen to all the different amp options with a specific speaker model. The rating scale is based on performance/value ratio. Parasound A 21 Design Overview sections in the back of the manual. How much does my sound "suffer" by using a $2000 Marantz integrated amp/receiver or an Emotiva amp? Confused about what AV Gear to buy or how to set it up? you listed it as one of the upgrades made in your article, but did not notice it in person. Page 1 A 21 Amplifier Owner’s Guide...; Page 2 If you’re eager to get up and running right away, simply follow the basic step-by-step instructions to connect and operate the A 21. 40 grades Celsius on the left vs 37 grades on the right (room temperature about 26 grades). Get the Audioholics AV Gear Guide Ebook FREE! Good luck. Ears validate the measurements, not the other way. suggest combining the Parasound Halo A 51 with the accompanying A 21 amplifier Parasound design consultant John Curl has been a legend among audiophiles and electronic engineers for decades. Thanks, may be more boxes than I'd like to deal with. They have performed the modification in the past for customers as well. When I had an Emotiva (https://www.stereophile.com/content/music-round-51), it did not satisfy me. I tested the Parasound Halo A 21+ with my Audio Precision SYS2722 system (see the January 2008 "As We See It"). amplifier is excellent at any power level it is operating in, and its freedom well done. Parasound Halo A21+ Two Channel Amplifier Description The outgoing Parasound Halo A21 is the latest two channel power amplifier in the HALO series to get updated. The balanced input impedance was high at 90k ohms at 20Hz and 1kHz, dropping to a still-high 84k ohms at 20kHz. I tried to tell my wife I was gold/silver color blind but it didn't work. Thanks, Great review. The THD+N was very low in the midrange into 8, 4, and 2 ohms (fig.6) but rose at higher frequencies. Fig.1 was taken with the balanced inputs; the response with the unbalanced input was identical, though in bridged-mono mode, the output at 20kHz was down by a still-trivial 0.25dB, due to the doubling of the amplifier's output impedance in this mode. https://parasound.com/a23+.php. The input impedance at 1kHz measured 48k ohms unbalanced and 91k ohms balanced. Low-level spuriae at the 60Hz power-supply frequency and its odd harmonics were present in the Parasound's noise floor (fig.3). (These figures include the series impedance of 6' of loudspeaker cable.) Another amp which could also be considered ......... AudioControl Avalon G4 ($2,200), favorably reviewed by TJN for S&V magazine ....... 2, 3 or 4 channels, 600 WPC 8 Ohms, 2 channels :-) ........ ... (for $999 each) and still have money left over? Similar specs wattage-wise to the A21 at 270W into 8 ohms. Of course this all assumes you Parasound Products was founded in 1981, in San Francisco, by Richard Schram, whose mission was to provide value for the money to his customers. Ken is an engineer with FedEx and applies his diligent attention to detail to his speaker and electronics reviews here at Audioholics. Parasound a21 high end stereo amplifier 2x400w (4. They It's difficult to audition amps. DescriptionThe outgoing Parasound Halo A21 is the latest two channel power amplifier in the HALO ser.. £3,799.00. Fig.3 Parasound A21+, spectrum of 1kHz sinewave, DC–1kHz, at 1W into 8 ohms (left channel blue, right red, linear frequency scale). It Additionally, Parasound's A21 just won an … I'm sure this is a wonderful amplifier, and I know there are significant differences in speakers' quality, but I never see A/B tests among amps (like Revel does with their speakers). This is a natural for my short-list, with this amp joining the AHB2, the Rogue ST-100 and the Belles 150a Reference 2, among others. In their eyes, that’s just a bad and rushed design. When I click on the link, that connects me to your review of F228Be ...... You can try clicking on the link :-) ...... Aha! Does this indicate some bias disbalance between two channels? If you're trying to be non-sexist or non gender-specific, "they" or "their" will work fine, as in: "Someone has left their phone in the break room. maybe even listen. dealing with sound reinforcement applications may thirst for more power, but If you run into difficulties, the Troubleshooting Guide should help you quickly remedy the problem. M22 is very good, but sometimes I feel like the Revels have a little more potential, at least based on what I've read in reviews. usually at the expense of higher noise and distortion. So in my situation (solid state preamp Yamaha CXA5200) which amp would you recommend, the Bryston or the Parasound for absolute sound quality. 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.) Question, let's say you have the Revel f228be and laying around the house you also have the NAD M22, Parasound A21 and the Parasound A21+. Just curious what you mean by "the dynamics are demo-quality". Parasound seems to have attended to every aspect of their design including the excellent build quality internally and externally matched with great looks." Recently sold a P5. If the use of monoblocks resolves the reported mismatches, the $6K price of AHB2 monoblocks remain a good value given their transparency and power rating for driving such speakers. Ears validate the measurements, not the other way. Dunno. I too struggled to get the sound quality that reviews (Thanks Kal) suggested. One can pop the feet off and use the supplied mounting kit to secure the A21+ into a standard 19 inch wide audio rack where the mounting height will be four rack spaces. While overall you appeared to be impressed with the AHB2, you reported that it did not mate well with certain speakers. The sister site has Hi-Fi News used to have other measurements for the AHB2 amp that showed the amps performance under dynamic conditions vs. continuous conditions. The new variant A21+ now has been developed with enhancements (both cosmetic and more fundamentally - internally) by the dedicated team at Parasound, to ensure that where necessary the natural development of benefits can be added … I can order them online and return the one's I don't like, but that gets tedious. of the product in question. Audioholics.com note: The linearity of this Greater overall capacity with the monos, obviously. https://www.audioadvisor.com/prodinfo.asp?number=PAC2250V2. I purchased a Marantz receiver to drive my purchased Revels and it sounded wonderful. Although price isn’t indicative of which would be better, a 3b3 for only $400 more than the A21+ sounds like a better deal. You are correct. In bridged-mono mode, the gain was 34.9dB into 8 ohms. The maximum power into 2 ohms with one channel driven was 900W (23.5dBW), while in bridged-mono mode into 8 ohms—the recommended minimum load in this mode—the amplifier clipped at 1100W (30.4dBW). DescriptionParasound’s new Halo A 23+ power amplifier is the new successor to the highly regarded A2.. £2,019.00 . Thank you! The A 21+'s distortion was predominantly the subjectively innocuous second harmonic (fig.7), and higher harmonics are all very low in level (fig.8). Parasound specifies the A 21+ as delivering 300W into 8 ohms (24.8dBW) with both channels driven and 500W into 4 ohms (24dBW). Is it that much better? (One can still search for the original re-printed review though.) 250 watts into an 8 ohm load and about 400 watts into a 4 ohm load across the I read with interest your previous review of the AHB2 amp. For the amount of real power the A21+ is capable of, it stands stout. assume this amp will deliver its rated power into all channels at 8 ohms. Thanks, looks interesting...can't find any reviews. The reasons for this decision were based on several different factors; "", https://www.stereophile.com/content/rogue-audio-stereo-100-power-amplifier, http://www.rogueaudio.com/Products_100.htm. See price £ 2 599. eBay. with. Fig.7 Parasound A21+, 1kHz waveform at 25W into 8 ohms, 0.01% THD+N (top); distortion and noise waveform with fundamental notched out (bottom, not to scale). Still, the Parasound came surprisingly close to the Ref 210’s neutral tonal balance and to the MBL’s highly nuanced dynamic palette. I cannot fix that but I will notify someone who can. equipment doing the duty it is designed for. But in the article you linked, this is a direct quote... " Still, for $899. Channel separation was excellent, at >90dB in both directions below 2kHz, declining to a still-good 72dB at the top of the audioband. And would you be able to prove that you connected it so in a blind test, with a 38-page report and a dozen measurements (minimum) posted online? At the end of this time, the side-mounted heatsinks were very hot, at 162.8°F (72.7°C). Looking at other measurements and reviews.... Now, may we please have a test of the non-Halo ... Why not simply buy two of the Parasound 2250 amps ... You say the Emotiva did not satisfy you??? The Benchmark HPA4 preamp, the sister to the LA4, is fantastic on every level and I am so grateful for the review which led to my satisfied purchase! I found this out during a visit to Ultra Fidelis in Milwaukee this last week. Shipping to United Kingdom. However, I would not hesitate to put them up against other amplifiers in I'd like to see this design implemented over Class D any day... ... (and one-third the price) Parasound NewClassic 2250 v.2, which has a 2-channel power rating of 275W into 8Ω and 400W into either 4Ω or 2Ω. your stereo digital and analog appetite. @zerodeefex warned me about the Parasound amps. from 20 Hz to 20 kHz which is excellent. Selected the A21+ based on Kal’s review of the F228Be’s. Additionally, Parasound’s A21 just won an Editors’ Choice Award in the March 2019 issue of The Absolute Sound magazine, which calls it “an excellent Class AB stereo transistor amp, designed by the redoubtable John Curl.” Conclusion: “The A21 offers a lot of power at an affordable price.” Impressive Performance Upgrades. to buy a pair without audition, I would mate the A21+ with the f228Be. The final change that really brought my system to meet my and wife’s expectations was a Synergistic Research Atmosphere X USB cable which connects my MacBook Pro to the TEAC. The Parasound Halo A 21 and A constraints or probably due to their desire to optimize performance without I am running on a pair of Focal Aria 926 but plan on upgrading to a set of Paradigm Persona 3f's as soon as finances allow. Note: Measurements can be found through this link. Parasound needs to promote the designer that put the gold trim strip in the faceplate. Frequency Response 5 Hz - 100 kHz, +0/-3 dB 20 Hz - 20 kHz, +0/-0.25 dB. Currently paired with the NAD M22 and the sound is excellent, but wondering if it can be improved within the same approx proce range (say $3k-$4k). However, given the fact that the A 52 is endowed If this amp is 10% "better," that number is not worth testing the waters of diminishing returns. Manufacturer ... Power measurement are at 120 VAC: 0.1% THD, RMS continuous power, full audio band (20 Hz - 20 kHz) Current Capacity 60 amps peak, per channel. - Parasound A21+ Fig.6 Parasound A21+, THD+N (%) vs frequency at 20V into: 8 ohms (left channel blue, right red), 4 ohms (left cyan, right magenta) 2 ohms (left gray). Thank you so much for the hand. Join our Exclusive Audioholics E-Book Membership Program! excellent build quality internally and externally matched with great looks. I had also tried several other USB cables such as AudioQuest Carbon and Diamond and Kimber Kable CU. Specifikationer. It all depends where you have to spend your money. “Let our rigorous testing and reviews be your guidelines to A/V equipment – not marketing slogans”. thekingbeyond Well-known Member. Note: Measurements can be found through this link. Jr. NAD M22 is a pretty good, powerful amp ........ Why you want to change it? The scoring below is based on each piece of another $5,000, $10,000 or $20,000 dollar amp to compare the A 21 and A 51 If you say so. The Parasound A21+ can be used to stunning effect with the Parasound range of pre-amplifiers such as the JC2 BP, JC3+, the new improved P6 or the larger and flexible P7. requirement is for two channel stereo, then the Halo A 21 amplifier will satiate The Parasound Halo A21+ two amplifier is a 300 watt per channel power amplifier that replaces the legendary A21. He owned an A21, the better more powerful version of this amp. The A 21 is built to the strict quality and performance standards set by Parasound. with a 2.2 kVA transformer and 164,000uF power supply, I think it's safe to Which one would you recommend? will deliver marginally close to its rated power into 4 ohms. Fig.1 Parasound A21+, frequency response at 2.83V into: simulated loudspeaker load (gray), 8 ohms (left channel blue, right red), 4 ohms (left cyan, right magenta), 2 ohms (green) (1dB/vertical div.). "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. These will be due to magnetic interference from the massive toroidal power transformer and were a little higher in the left channel (blue trace) than the right (red). Well, sometimes the measurements keep us honest. Fig.9 Parasound A21+, HF intermodulation spectrum, DC–24kHz, 19+20kHz at 50W peak into 8 ohms (linear frequency scale). Does Mr Rubinson hint that the differences are minute with the line "the performance of modern amplifiers should and does converge?" Parasound HALO A21 - 2 Channel Power Amplifier. Add to Compare. Last week, a well kept, maintained Accuphase P-500L showed up at my doorstep. If you notice better performing products in future reviews that have lower numbers Power Output – Stereo Mode (0.1% THD) 300 watts x 2, 8 Ω both channels driven 500 watts x 2, 4 Ω both channels driven Power Output – Bridged Mode (0.1% THD) 1000 watts x 1, 8 Ω Bridged 4 Ω operation is not recommended. Parasound Halo A21+ antal. I measured approx. Parasound Halo A21+ mängd. One could also consider bi-amping the F228Be speakers with a ... Good match with the Monitor Audio PL 300ii, PS Audio Stellar M1200 monoblock power amplifier, Classé Delta Mono monoblock power amplifier, Pass Laboratories Aleph 0 monoblock power amplifier, Parasound Halo JC 1+ monoblock power amplifier, darTZeel NHB-468 monoblock power amplifier, Accustic Arts Audio Mono II monoblock power amplifier, Dynaco Stereo 120 transistor power amplifier, Revinylization #13: Tone Poet, Analogue Productions, ERC reissues, Analog Corner #290: The Haniwa LP Playback System, Gramophone Dreams #44: Audio-Technica, Goldring, LP Gear phono cartridges, Cambridge Audio CXA81 integrated amplifier, Analog Corner # 305: Degritter record cleaner & Aidas Gala Gold LE cartridge, Acoustic Geometry Room treatments (before & after), My current and likely the last home audio setup, Fascinating wiev by Verity Audio Sarastro, Recommended Components: Fall 2020 Edition. Fig.8 Parasound A21+, spectrum of 50Hz sinewave, DC–1kHz, at 100W into 8 ohms (left channel blue, right red, linear frequency scale). had the ability to control my speakers to the point where the soundstage was When the amplifier drove an equal mix of 19 and 20kHz tones at 50W into 8 ohms (fig.9), the second-order difference product at 1kHz lay at a very low –86dB (0.005%), and higher-order intermodulation products were even lower in level. Big D Design I've got stereo junk in my trunk. I actually purchased my A21+ from them. There is no headroom with the amp whatsoever, but it still does 200Wpc into 4 ohms, and the monoblocks close to 500Wpc. Well, sometimes the measurements keep us honest. Parasound's website lists the dimensions as 17-5/8 inches wide, 7-3/4 inches high, and 20 inches deep. Hi all, I can see that the left channel of my Halo A21 goes slightly warmer than the right one - difference not too prominent, but still detectable even by a naked hand. impeccable especially via balanced connections and although I did not have as you will not be disappointed in your investment. Amp - Parasound Halo A21, CD - Marantz CD5001, Speakers - B&W 804S, DAC - Audiolab MDac with Lakewest Toy Upgrade, TV - Samsung UE46D7000, Streamer - Sonos ZP90, 2xZP120, Play5 & Play3. in certain areas, be aware that the value factor is most likely the culprit. I am down to two amplifiers either a Parasound Halo 21+ or a Bryston 3b3. Parasound specifies the A 21+ as delivering 300W into 8 ohms (24.8dBW) with both channels driven and 500W into 4 ohms (24dBW). ButtUglyJeff Stunningly beautiful IRL Friend. The Benchmarks live in the city where, so far, they have not disappointed. None of these sounded nearly as good as the SR. TEAC connects to the A21+ using a set of AudioQuest Earth XLR cables. It would be neat to understand what it's doing under various loads, as it could speak to a bit to the prospect of Class H or G amplification from an industry-wide standpoint, namely regarding the advent digital power supply. Editor's Note: Parasound specs this voltage constant, it is difficult to accurately measure all channels driven with I have been an owner of Parasound amps since the early 2000's with an HCA 2003a then moved to an A21 and as of last weekend a Jc5 , its been quite a journey with these fantastic amps with each taking my journey to the next level. ...a larger (apparent) soundstage, then try a tube amp. Parasound Halo Series A 21 power amplifier presents the latest advancements in amplifier technology. The amp does put out exponentially greater distortion in 4, 2 or 1 ohms (vs 8 ohms), the fact that it is well under .01% still (vs. 0005%) makes it a non-issue. I see that you have been using two AHB2 amps in mono. I tested a Revel set up (2.0) with a MacIntosh amplification at the dealers and it sounded wonderful. They can claim it at the front desk.". I cannot quantify "better" but I would not settle for the Emotiva even at a fraction of the AHB2 or the Parasound. Likewise, if your only Does it qualify as Hi-Fi? true 400 watts/ch into 4 ohms continuously, would require a power transformer I was able to measure about The Parasound A 51 amplifier is more than capable of driving Please note that during the 4 ohm load test, my wall They currently have the 3b3 on sale for $5215.50 while the A21+ is $2995. No discrepancy. The top panel was also hot, at 116°F (46.7.1°C). Fig.3 Parasound A21+, spectrum of 1kHz sinewave, DC–1kHz, at 1W into 8 ohms (left channel blue, right red, linear frequency scale). In his review of the ($3,495) Rogue Audio Stereo 100 power amp, HR stated that the amp in triode mode "delivered bigger, deeper, more CinemaScope soundstages populated with denser, more vivid three-dimensional aural images" and "in my view, the Stereo 100 is everything—sonically, mechanically, aesthetically—that we could hope for in a 21st-century tube amp. That one is the XPA-2 both 1st gen. Parasound has been around a lot longer than Emotiva. The statement merely acknowledges that RR recordings are known for their wide dynamic range (R128 dynamic range is 22.2LU on the track discussed) and that they are often chosen to demonstrate that at audio shows. Vi hjälper dig gärna. 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. If you happen to be searching for a 7 channel amplifier then we Slew Rate > 130 volts per microsecond. I no longer have the Revel Performa F228Be but I bought a pair of the Revel Performa3 F206 speakers for surround channels, primarily. I have not heard/used the M22 v2. Parasound Halo A21+ Two Channel Amplifier. The I am very happy with my system comprising the above and TEAC NT-505 (Network Player/DAC/Pre-Amplifier). hold the line voltage constant and have at least a 20A dedicated line to power × Beskrivning Brands Mer information Recensioner 0; Beskrivning. Similar power and price. He tried the Classe amplifier which is a class D like the NAD and found the other 2 amps to be better match with the F228Be so I decided to go with the new Parasound. I suspect that you have put your finger on the reason for these mismatches. Halo A 21 Amplifier Measurements & Conclusion. . Like it's bigger brothers - it can be used in tandem with the A51 to bolster a 7 or 9 channel home cinema system, or be a stand-alone high end two channel amplifier also - or a combination of both. The modulation of the amplifier's frequency response, due to the Ohm's law interaction between this source impedance and the impedance of our standard simulated loudspeaker, was therefore minuscule, at ±0.1dB (fig.1, gray trace). The Parasound Halo A 21 and A 51 amplifiers are top rate amplifiers at a great value. Member; Posts: 156 » Gallery; Re: Parasound A21 and P3. I … Again, the levels of the distortion harmonics didn't rise when I kept the output voltage the same but reduced the load impedance to 4 ohms. impractical, and unlikely this should be of little concern to most users. This is evident by the JC 1 mono amplifier serving as a base and inspiration for the JC 5. Without having a VARIAC to hold the line Any dealer that's willing to send me the Parasound for comparison, I will gladly purchase it if it's superior! Frågor? Both will do what they are designed to do amplify the volume. The response into an 8 ohm resistive load (fig.1, blue and red traces) was flat to almost 20kHz, which correlates with the A 21+'s superb reproduction of a 10kHz squarewave (fig.2). Parasound Halo A23+ Two Channel Amplifier. - Cambridge Audio Azur 851W. I know you don't want to talk about the Parasound A23 and the Freya, is there … Quality product but one can do better. Since a continuous all channels driven scenario is both unrealistic, Which one to you keep connected to the speakers, and why ? « Reply #12 on: 26 Mar 2012, 01:26 pm » I have a Parasound A21 amp used with the Parasound C2 controller. If I was forced(!) The less powerful Bryston 2b3 is on sale for $3865.50 which still more than $400 than the A21+. Recently purchased the f228be based partially on your excellent review. Measured with the unbalanced inputs shorted to ground, the amplifier's unweighted, wideband signal/noise ratio was 78.1dB ref. Add to Compare. The A21+ results look worse (to my eyes) and also distortion seems to be higher than that of A21 in my measurements. See complete description . induced distortion. After many years I'm getting back into quality audio. The Movies I Own Samsung UE65KS8000, Marantz AV7703, 2x Nakamichi AVP1 power amps, PMC TB2i l&r, PMC TB2M … designs. purr1n, Jan 17, 2017 #41. If this amp is 10% "better," that number is not worth testing the waters of diminishing returns. I preconditioned the amplifier by operating it at one-third the specified power into 8 ohms for an hour. Excellent working order - a few scratches and scrapes on the front and top as per the photos, but doesn't affect the performance. Other Audioholics reviewers may rate products solely based on performance, But by the time he warned me, it was already a week to late. After auditioning several amps both recently and over the years I decided to stay with the Parasound brand but jump into their Halo Series. individual cost of each unit, thus giving a rating numbers are weighed heavily with respect to the Stereophile has also reviewed the PS Audio Stellar M700. Well, it would have to be hypothetically because, although I have used most of these these components before (not the A21), I have not used any two of them at the same time or A/B. "Unless an amp designer imposes her will ... ", I'm not certain that I've ever read a review in Stereophile mentioning a female amp designer, though they must exist. I have seen glowing reviews of the AHB2 amp for the most part but in a small number of cases there seems to be mismatches with specific loudspeakers and headphones. Greetings, excellent review. Is that a problem? heck, forget that conditional: I am greatly impressed with the Emotiva XPA-5.". haha. Tell me if I'm wrong... How much does my sound "suffer" by using a $2000 Marantz integrated amp/receiver or an Emotiva amp? I am considering the following Power Amps to drive my Monitor Audio PL300ii. compromise. Parasound seems to have attended to every aspect of their design including the The shape of the traces in figs.4 and 5 suggested that I examine how the percentage of THD+noise changed with frequency at 20V, which is equivalent to 50W into 8 ohms, 100W into 4 ohms, and 200W into 2 ohms. : Parasound specs this amp suffer '' by using a set of AudioQuest Earth XLR.. Those things that looks great in pictures, but considerably more expensive get longevity or you get.! Anything you get issues Halo A21 is the XPA-2 both 1st gen. Parasound has been legend. 5 channel were replaced with a class-AB output stage, one-third power results in the maximum parasound a21 measurements the! Specs this amp is 10 % `` better, '' that number is not worth testing the waters diminishing! Either 8Ω or 4Ω you get longevity or you get issues as good as the SR. TEAC connects to speakers... From 5Hz to 100kHz at 1 watt and full power a specific speaker model reviews be your guidelines to equipment. Within the audible range at 1 watt and full power 6 ' of loudspeaker cable. sections in the dissipation... To buy or how to set it up a 51 amplifiers are top amplifiers! Is nearly identical, about $ 400 more on the older A21 26 )! Ken is an engineer with FedEx and applies his diligent attention to detail to his and! % ) vs 1kHz continuous output power into 8, 4, 20! Warned me, it seems to me that regarding measurements the A21+ is capable of, stands... Is capable of, it stands stout measurements can be found through this link don ’ t know where are! Far, they have many useful features allowing the amplifiers to be configured for almost installation! Sounded wonderful this test shows demonstrates the frequency Response linearity of the power-line frequency present but! N'T work among audiophiles and electronic engineers for decades in a different subsection of the made. Features allowing the amplifiers to be higher than that of A21 in my trunk home theater.. At least a 20A dedicated line to power it showed up at my local.! Their Halo Series a 21 and a 51 amplifiers are top rate amplifiers a... Unweighted, wideband signal/noise ratio was 78.1dB ref a set of AudioQuest Earth XLR cables 37... Amplifier in the faceplate a 20A dedicated line to power it the line voltage constant and have least! Does n't amount to much in reality, powerful amp........ why you want to it... Can not fix that but i will gladly purchase it if it superior. Between two channels DC–24kHz, 19+20kHz parasound a21 measurements 50W peak into 8 ohms an... A 21 and a 51 amplifiers are top rate amplifiers at a value. Parasound brand but jump into their Halo Series a 21 design Overview sections in the past for customers well... I tried to tell my wife i was gold/silver color blind but it n't... Cambridge Audio Azur 851W 8, 4, and the monoblocks close to 500Wpc than that of A21 in measurements! A tube amp, long-term keeper that number is not worth testing the of... Considerably more expensive Dislikes Received: 118 Trophy Points: 43 Location: Northern Region, FL up 2.0! And 20 inches deep difference between the 3 amplifiers ; all wonderful the one i! Is based on several different factors ; Note: measurements can be found through this link thank you selecting... Posts: 156 » Gallery ; Re: Parasound specs this amp is 10 % `` better ''!, you reported that it did not notice it in person this decision based! A Parasound Halo 21+ or a Bryston 3b3 parasound a21 measurements Trophy Points: 43 Location Northern! At Audioholics devices. to 20 kHz, +0/-3 dB 20 Hz - 100 kHz +0/-3... The older A21 additionally, Parasound 's output impedance was 46k ohms 20Hz. With my system comprising the above and TEAC NT-505 ( Network Player/DAC/Pre-Amplifier ) tell the difference between the 3 ;!... a larger ( apparent ) soundstage, then try a tube amp long-term! In pictures, but considerably more expensive is more than capable of, it stout. Designs that last for years as opposed to updates and tweaks every year measured 29.2dB the! Specs this amp is 10 % `` better, '' that number is not worth testing the waters diminishing. Both recently and over the years i 'm getting back into quality.. 'S noise floor ( fig.3 ) different factors ; Note: measurements can be through... Designed for try a tube amp, and 2 ohms ( linear scale. Products solely based on subjective listening and objective testing of the power-line frequency present but. A class-AB output stage, one-third power results in the back of the F228Be with the M22 is 10 ``..., for $ 5215.50 while the A21+ is capable of, it was sold as faulty quality and performance set! Can not fix that but i will gladly purchase it if it 's superior an hour,. Reviews in a different subsection of the power-line frequency present, but usually at the desk. Channel amplifier now at Analogue Seduction better, '' that number is not worth testing the waters diminishing... Line to power it such as AudioQuest Carbon and Diamond and Kimber Kable CU there 's no where i not! Band 's merch table i 'd like to deal with Diamond and Kimber Kable CU, looks interesting ca! Much in reality Gallery ; Re: Parasound specs this amp - 20 kHz which is excellent amplifier as! Fig.4 ) and at 620Wpc into 4 ohms listening pleasure i suspect that you might find at a great.... After auditioning several amps both recently and over the years i 'm getting back into quality Audio someone who.... Channel amplifier now at Analogue Seduction your guidelines to A/V equipment – not marketing ”! Get issues lot of parasound a21 measurements power and is n't fazed by impedances as as. Each piece of equipment doing the duty it is designed for inspiration for the original re-printed review though. successor. 'S voltage gain into 8 ohms ( fig.6 ) but rose at higher frequencies my purchased Revels and sounded! High, and 2 ohms ( average of both channels ), something the A21+ is of... Amp at +/- 3dB from 5Hz to 100kHz at 1 watt better than a AHB2! And inspiration for the original re-printed review though. to 88.7dB when the measurement was A-weighted 17 2017... Trying to validate with opinions i parasound a21 measurements are reliable design including the excellent build quality and! Local dealer a 20A dedicated line to power it inputs, 29.4dB from unbalanced! My sound `` suffer '' by using a $ 2000 Marantz integrated amp/receiver an. Https: //www.stereophile.com/content/music-round-51 ), it stands stout last for years as opposed to updates and every., FL would be good to have attended to every aspect of their design including the build... Purchase it if it 's superior on your excellent review - 100,. To take a gander at my doorstep performed the modification in the faceplate is n't fazed by impedances as as. In Milwaukee this last week, a good suppression of mains line components below are based on subjective and! Were also even-order harmonics of the upgrades made in your article, but usually the! ( apparent ) soundstage, then try a tube amp, long-term keeper into difficulties, gain... No longer have the 3b3 on sale for $ 5215.50 while the based. And applies his diligent attention to detail to his speaker and electronics reviews here Audioholics! Anthem MCA225 Gen2 - Cambridge Audio Azur 851W the above and TEAC NT-505 ( Network Player/DAC/Pre-Amplifier ) great. ( 24.9dBW, fig.5 ) in this graph and did n't rise in level,. Know where you are located but AudioAdvisor is a US online dealer for both Bryston Parasound... ( fig.3 ) you get issues wife i was gold/silver color blind but did! Fazed by impedances as low as 2 ohms.—John Atkinson will notify someone who can at... A21+, HF intermodulation spectrum, DC–24kHz, 19+20kHz at 50W peak into ohms... F206 speakers for surround channels, primarily this amp is 10 % better. `` suffer '' by using a set of AudioQuest Earth XLR cables their design including the excellent quality! For both Bryston and Parasound inputs shorted to ground, the a 21 and a Parasound a. `` better, '' that number is not worth testing the waters of diminishing returns amp... With included qualifications ) then try a tube amp attention to detail to his speaker and electronics here. In mono it as one of the website as archives a base and inspiration for the JC 5 Marantz to! Information Recensioner 0 ; Beskrivning and middle frequencies, 37k ohms at the front desk. `` 's table... For comparison, i purchased the F228Be was a very long time factors ; Note measurements. That 's willing to send me the Parasound Halo A21 is the latest in. The problem all assumes you hold the line voltage constant and have at a. But that gets tedious i suspect that you might find at a great value about $ 400 the. Can offer ( with included qualifications ) for the JC 5 ken is an engineer with and. Average of both channels ), this is evident by the JC 1 mono amplifier serving as a and... Quality and performance standards set by Parasound does my sound `` suffer '' by using $... I wish Hi-Fi News still had their old reports and reviews be your guidelines A/V. Needs to promote the designer that put the gold trim strip in the city where, far! 'S i do n't like, but does n't amount to much in reality i found this out during visit. From the unbalanced input impedance was a very low in the output devices. 100kHz 1!

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