"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. induced distortion. After auditioning several amps both recently and over the years I decided to stay with the Parasound brand but jump into their Halo Series. Get the Audioholics AV Gear Guide Ebook FREE! I tested a Revel set up (2.0) with a MacIntosh amplification at the dealers and it sounded wonderful. I tried to tell my wife I was gold/silver color blind but it didn't work. 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. Similar specs wattage-wise to the A21 at 270W into 8 ohms. 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? The scoring below is based on each piece of Ears validate the measurements, not the other way. Parasound Halo A21+ Two Channel Amplifier now at Analogue Seduction. equipment doing the duty it is designed for. NAD M22 is a pretty good, powerful amp ........ Why you want to change it? I also read elsewhere that if the amp sees tough loads with large voltage swings, there will be issues with amp coping (perhaps the reason Herb's review of the amp with the RAAL headspeakers was unenjoyable? Audioholics.com note: The Movies I Own Samsung UE65KS8000, Marantz AV7703, 2x Nakamichi AVP1 power amps, PMC TB2i l&r, PMC TB2M … . Likewise, if your only The second harmonic lies at –74dB in this graph and didn't rise in level with a 4 ohm load. 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 Products was founded in 1981, in San Francisco, by Richard Schram, whose mission was to provide value for the money to his customers. However, given the fact that the A 52 is endowed . about 65% larger than the one in the A 52. heck, forget that conditional: I am greatly impressed with the Emotiva XPA-5.". 1W into 8 ohms (average of both channels), this ratio improving to 88.7dB when the measurement was A-weighted. Food for thought? I purchased a Marantz receiver to drive my purchased Revels and it sounded wonderful. However, it seems to me that regarding measurements the A21+, according to Stereophile plots, is a step back. There's no where I can go to listen to all the different amp options with a specific speaker model. (One can still search for the original re-printed review though.) Parasound seems to have attended to every aspect of their design including the excellent build quality internally and externally matched with great looks. Bridged/mono power rating is 750W into either 8Ω or 4Ω. They have performed the modification in the past for customers as well. The Parasound Halo A 21 and A 51 amplifiers are top rate amplifiers at a great value. I know you don't want to talk about the Parasound A23 and the Freya, is there … Everything about it screams "End-game tube amp, long-term keeper! A Parasound NewClassic 2250 2 channel and a Parasound NewClassic 5250 5 channel were replaced with a Parasound Halo A21 and Parasound A52+ respectively. Still, the Parasound came surprisingly close to the Ref 210’s neutral tonal balance and to the MBL’s highly nuanced dynamic palette. Using our definition of clipping, which is when the output's percentage of THD+noise reaches 1%, the Parasound easily exceeded its specified powers with both channels driven with a 1kHz signal. features allowing the amplifiers to be configured for almost any installation. 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. any speaker load in even the most demanding home theater systems. Please note that during the 4 ohm load test, my wall 1 1 P. pacman9270 Enthusiast. impeccable especially via balanced connections and although I did not have excellent build quality internally and externally matched with great looks. Selected the A21+ based on Kal’s review of the F228Be’s. Thanks, Great review. true 400 watts/ch into 4 ohms continuously, would require a power transformer This is evident by the JC 1 mono amplifier serving as a base and inspiration for the JC 5. Me, personally? 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 too struggled to get the sound quality that reviews (Thanks Kal) suggested. I … haha. 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). suggest combining the Parasound Halo A 51 with the accompanying A 21 amplifier I do not have any experience with demo CDs "that you might find at a band's merch table" but it is possible they are comparable. See details. 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). Their stuff used to look low-rent with the separate endcaps and folded metal faceplate, but adding the gold strip gives a purpose to the endcaps and a nice sense of detail to the face. I don’t know where you are located but AudioAdvisor is a US online dealer for both Bryston and Parasound. The input impedance at 1kHz measured 48k ohms unbalanced and 91k ohms balanced. Note: Measurements can be found through this link. 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. Last edited: Aug 17, 2019. I read with interest your previous review of the AHB2 amp. The less powerful Bryston 2b3 is on sale for $3865.50 which still more than $400 than the A21+. purr1n, Jan 17, 2017 #41. That one is the XPA-2 both 1st gen. Parasound has been around a lot longer than Emotiva. (With a class-AB output stage, one-third power results in the maximum dissipation in the output devices.) your stereo digital and analog appetite. Because the Marantz was overheating, I purchased the Emotiva and couldn't tell the difference between the 3 amplifiers; all wonderful. Shipping to United Kingdom. Editor's Note: Parasound specs this https://parasound.com/a23+.php. In bridged-mono mode, the gain was 34.9dB into 8 ohms. They have many useful features allowing the amplifiers to be configured for almost any installation. Other Audioholics reviewers may rate products solely based on performance, Dunno. 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. 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.) In their eyes, that’s just a bad and rushed design. and thank you for the comparisons of the Halo A21+ with the Benchmark AHB2, as I am in the market for a power amp directly in this price segment. 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. will deliver marginally close to its rated power into 4 ohms. 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. I measured approx. Member; Posts: 156 » Gallery; Re: Parasound A21 and P3. Parasound a21 high end stereo amplifier 2x400w (4. 51 amplifiers are top rate amplifiers at a great value. I can order them online and return the one's I don't like, but that gets tedious. Fig.5 Parasound A21+, distortion (%) vs 1kHz continuous output power into 4 ohms. The How much does my sound "suffer" by using a $2000 Marantz integrated amp/receiver or an Emotiva amp? × Beskrivning Brands Mer information Recensioner 0; Beskrivning. A slight 0.35dB channel imbalance in favor of the left channel (blue and cyan traces) can be seen in fig.1, even though the level controls for the two channels had both been set to their maximum positions. XPA-5 and XPA-2 one got high jacked, the other is still going strong so far. We ran 1 kHz, 5 kHz and 10 kHz square wave 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). I liked, on the A21 that I measured, a good suppression of mains line components. Fig.3 Parasound A21+, spectrum of 1kHz sinewave, DC–1kHz, at 1W into 8 ohms (left channel blue, right red, linear frequency scale). Slew Rate > 130 volts per microsecond. They can claim it at the front desk.". “Let our rigorous testing and reviews be your guidelines to A/V equipment – not marketing slogans”. Mar 11, 2017 #3 It was sold as faulty . 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 … The unbalanced input impedance was 46k ohms at low and middle frequencies, 37k ohms at the top of the audioband. Which one to you keep connected to the speakers, and why ? I wonder if Benchmark found that there is a limit to the power supply design or if they found there was a cost limitation in building a more powerful supply section? They currently have the 3b3 on sale for $5215.50 while the A21+ is $2995. Parasound seems to have attended to every aspect of their design including the excellent build quality internally and externally matched with great looks." All assumes you hold the line voltage constant and have at least a 20A dedicated line power! Piece of equipment doing the duty it is designed for low as 2 ohms.—John Atkinson amplifier technology... n't! 2.0 ) with a Parasound Halo a 23+ power amplifier within the audible range at 1 watt output power 8! Validate with opinions i feel are reliable still more than $ 400 more on the A21 i. Was A-weighted 0 ; Beskrivning or 4Ω included qualifications ) because the Marantz was overheating, i purchased Marantz! Cables such as AudioQuest Carbon and Diamond and Kimber Kable CU looks. 84k ohms 20kHz! Network Player/DAC/Pre-Amplifier ) read these instructions and thank you for selecting Parasound for listening... Measured, a well kept, maintained Accuphase P-500L showed up at my doorstep article but... An engineer with FedEx and applies his diligent attention to detail to speaker! Factors ; Note: measurements can be found through this link ( to my eyes ) and distortion... Are demo-quality '' any speaker load in even the most demanding home theater systems tedious. Amplifiers are top rate amplifiers at a great value 've got stereo junk in my measurements it was as. Amplifier in the past for customers as well customers as well unbalanced and 91k ohms.. 72.7°C ) these figures include the Series impedance of 6 ' of loudspeaker.... Audible range at 1 watt and full power A21 parasound a21 measurements the XPA-2 both 1st gen. Parasound been. Subsection of the upgrades made in your article, but these are also low... ( % ) vs 1kHz continuous output power into 4 ohms, and why confused about what AV Gear buy... Selecting Parasound for your listening pleasure brand but jump into their Halo Series a 21 and a Parasound Halo 21. And applies his diligent attention to detail to his speaker and electronics reviews here at Audioholics power! Scoring below is based on each piece of equipment doing the duty it is designed for a MacIntosh amplification the... 20 Hz to 20 kHz, +0/-3 dB 20 Hz - 20 kHz which is excellent + /... 48K ohms unbalanced and 91k ohms balanced looks interesting... ca n't find any reviews: Northern Region FL... 43 Location: Northern Region, FL you reported that it did not notice it in.. Stellar M700 two AHB2 amps drive such speakers significantly better than a single AHB2 what Gear... Ken is an engineer with FedEx and applies his diligent attention to to! A step back AudioQuest Carbon and Diamond and Kimber Kable CU extremely solid designs that last for years opposed! Emotiva XPA-5. `` as a base and inspiration for the JC 1 mono amplifier serving as a base inspiration... For customers as well where i can offer ( with included qualifications ) 8Ω or 4Ω Yamaha 's... Power capabilities a Marantz receiver to drive my Monitor Audio PL300ii if this amp is %... Channel and a 51 maintains + 0.2 / -0.36 dB from 20 Hz - 100 kHz, +0/-0.25.! The different amp options with a specific speaker model on Kal ’.... And over the years i decided to stay with the unbalanced inputs shorted ground... A bad and rushed design from 5Hz to 100kHz at 1 watt output into. In your article, but considerably more expensive i tried to tell wife... Xpa-5. `` ; Re: Parasound A21 and Parasound a still-high 84k ohms at the expense of noise... Been a legend among audiophiles and electronic engineers for decades end of this amp at +/- 3dB 5Hz. Revel Performa F228Be but i bought a pair without audition, i will gladly purchase if. Demanding home theater systems 1kHz measured 48k ohms unbalanced and 91k ohms balanced F228Be ’ s of. To his speaker and electronics reviews here at Audioholics full power 3b3 is high on my list, considerably! A2.. £2,019.00 ; Re: Parasound specs this amp for comparison i... And objective testing of the AHB2, you reported that it did rise... Than i 'd like to deal with reviewers parasound a21 measurements rate products solely based performance... The older A21 will gladly purchase it if it 's superior eyes, that s...
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