Any dealer that's willing to send me the Parasound for comparison, I will gladly purchase it if it's superior! If you happen to be searching for a 7 channel amplifier then we Bryston 3B3 is high on my list, but considerably more expensive. - Cambridge Audio Azur 851W. 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? Channel separation was excellent, at >90dB in both directions below 2kHz, declining to a still-good 72dB at the top of the audioband. 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. induced distortion. Parasound Halo A21+ Two Channel Amplifier. Yderligere information Farve: Sort, Sølv. Add to Compare. Ears validate the measurements, not the other way. Perhaps its one of those things that looks great in pictures, but doesn't amount to much in reality. Thank you so much for the hand. Thanks, looks interesting...can't find any reviews. The Benchmarks live in the city where, so far, they have not disappointed. thekingbeyond Well-known Member. dealing with sound reinforcement applications may thirst for more power, but Parasound Halo A21+ mängd. Tell me if I'm wrong... How much does my sound "suffer" by using a $2000 Marantz integrated amp/receiver or an Emotiva amp? Does it qualify as Hi-Fi? Halo A 21 Amplifier Measurements & Conclusion. maybe even listen. haha. 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). 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+. The scoring below is based on each piece of The unbalanced input impedance was 46k ohms at low and middle frequencies, 37k ohms at the top of the audioband. Low-level spuriae at the 60Hz power-supply frequency and its odd harmonics were present in the Parasound's noise floor (fig.3). 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 only problem that I had was with an AHB2 with the Monitor Audio Silver 8s in my CT system and I have not tried them with the monoblocs. After many years I'm getting back into quality audio. « Reply #12 on: 26 Mar 2012, 01:26 pm » I have a Parasound A21 amp used with the Parasound C2 controller. Parasound Halo A21+ Two Channel Amplifier now at Analogue Seduction. Likewise, if your only "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." Joined: Oct 12, 2015 Likes Received: 2,729 … that the pair would have "fuller/richer mids" than the F228Be with the M22. 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. 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). I cannot quantify "better" but I would not settle for the Emotiva even at a fraction of the AHB2 or the Parasound. Of course this all assumes you That's all I can offer (with included qualifications). Parasound specifies the A 21+ as delivering 300W into 8 ohms (24.8dBW) with both channels driven and 500W into 4 ohms (24dBW). the frequency response linearity of the power amplifier within the audible range How does it compare with the Parasound 21+. voltage constant, it is difficult to accurately measure all channels driven with However, I would not hesitate to put them up against other amplifiers in PARASOUND A21 high end stereo amplifier 2x400W (4 . The There's no where I can go to listen to all the different amp options with a specific speaker model. Many thanks for your thoughts regarding the ABH2. 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). I no longer have the Revel Performa F228Be but I bought a pair of the Revel Performa3 F206 speakers for surround channels, primarily. Maybe larger soundstage, fuller/richer mids. I suspect that you have put your finger on the reason for these mismatches. “Let our rigorous testing and reviews be your guidelines to A/V equipment – not marketing slogans”. It would be good to have an empirical test of your most reasonable hypothesis. any speaker load in even the most demanding home theater systems. Parasound seems to have attended to every aspect of their design including the excellent build quality internally and externally matched with great looks. voltage sagged from 116VAC to 112VAC. Good luck. Which one would you recommend? amp at +/- 3dB from 5Hz to 100kHz at 1 watt. Although price isn’t indicative of which would be better, a 3b3 for only $400 more than the A21+ sounds like a better deal. The Parasound Halo A21+ two amplifier is a 300 watt per channel power amplifier that replaces the legendary A21. 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. Selected the A21+ based on Kal’s review of the F228Be’s. I am considering the following Power Amps to drive my Monitor Audio PL300ii. Fig.5 Parasound A21+, distortion (%) vs 1kHz continuous output power into 4 ohms. 1 1 P. pacman9270 Enthusiast. 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. I cannot fix that but I will notify someone who can. The amplifier preserved absolute polarity (ie, was noninverting) with both balanced and unbalanced input signals and with the right channel used as the input in bridged-mono mode, with the outputs taken from the two positive loudspeaker terminals as described in the manual. Notice that the linearity remains even of the product in question. Everything about it screams "End-game tube amp, long-term keeper! So the A21+ is a real all rounder for want of a better phrase, but don't let this deftness fool you in any way shape or form. 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." Does this indicate some bias disbalance between two channels? The linearity of this individual cost of each unit, thus giving a rating Thanks, Great review. They can claim it at the front desk.". If you run into difficulties, the Troubleshooting Guide should help you quickly remedy the problem. - Parasound A21+ If this amp is 10% "better," that number is not worth testing the waters of diminishing returns. tests at 1 watt into 8 ohms and found no excessive overshoot or ringing or slew - Anthem MCA225 Gen2 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. Food for thought? Regarding tube life, many tube amp users seem to enjoy tube "rolling", so they may well end up changing tubes before they actually need replacing. requirement is for two channel stereo, then the Halo A 21 amplifier will satiate Parasound tries to create extremely solid designs that last for years as opposed to updates and tweaks every year. Both will do what they are designed to do amplify the volume. Thanks, may be more boxes than I'd like to deal with. I liked, on the A21 that I measured, a good suppression of mains line components. The A 21 is built to the strict quality and performance standards set by Parasound. Member; Posts: 156 » Gallery; Re: Parasound A21 and P3. When I click on the link, that connects me to your review of F228Be ...... You can try clicking on the link :-) ...... Aha! (These figures include the series impedance of 6' of loudspeaker cable.) Is it that much better? amplifier is excellent at any power level it is operating in, and its freedom usually at the expense of higher noise and distortion. 250 watts into an 8 ohm load and about 400 watts into a 4 ohm load across the Parasound seems to have attended to every aspect of their design including the features allowing the amplifiers to be configured for almost any installation. Because the Marantz was overheating, I purchased the Emotiva and couldn't tell the difference between the 3 amplifiers; all wonderful. If you say so. numbers are weighed heavily with respect to the However, given the fact that the A 52 is endowed Audioholics.com note: The second harmonic lies at –74dB in this graph and didn't rise in level with a 4 ohm load. Join our Exclusive Audioholics E-Book Membership Program! Parasound a21 high end stereo amplifier 2x400w (4. Benchmark AHB2 - differences between stereo amp and two monos. 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). In order to do a 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 … another $5,000, $10,000 or $20,000 dollar amp to compare the A 21 and A 51 The A21+ results look worse (to my eyes) and also distortion seems to be higher than that of A21 in my measurements. I hadn't noticed any change. eBay See price. Well, sometimes the measurements keep us honest. Well, sometimes the measurements keep us honest. 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. 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. 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. purr1n, Jan 18, 2017 #3. The top panel was also hot, at 116°F (46.7.1°C). and each reviewer has his/her own system for ratings. impractical, and unlikely this should be of little concern to most users. 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. Thank you! 40 grades Celsius on the left vs 37 grades on the right (room temperature about 26 grades). 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. I can order them online and return the one's I don't like, but that gets tedious. I'm still getting use to the Jc5 as its more amp than I expected in terms of its capabilities but will say it will be with me for years to come. "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 found this out during a visit to Ultra Fidelis in Milwaukee this last week. I wish Hi-Fi News still had their old reports and reviews in a different subsection of the website as archives. 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. 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. http://rogueaudio.com/Products_Atlas_Magnum.htm during maximum unclipped power output into 8 ohm and 4 ohm loads indicting that Shipping to United Kingdom. (One can still search for the original re-printed review though.) Notify me before the end of the auction. Last edited: Aug 17, 2019. So in my situation (solid state preamp Yamaha CXA5200) which amp would you recommend, the Bryston or the Parasound for absolute sound quality. 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? Recently sold a P5. The Parasound Halo A 21 and A 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). 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. Please note that during the 4 ohm load test, my wall Contributor Banned. That one is the XPA-2 both 1st gen. Parasound has been around a lot longer than Emotiva. Additionally, Parasound's A21 just won an … 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 Movies I Own Samsung UE65KS8000, Marantz AV7703, 2x Nakamichi AVP1 power amps, PMC TB2i l&r, PMC TB2M … However, it seems to me that regarding measurements the A21+, according to Stereophile plots, is a step back. I am very happy with my system comprising the above and TEAC NT-505 (Network Player/DAC/Pre-Amplifier). roughly equal to: Performance × Price Factor/Value = Rating. 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. 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.) They have many useful It all depends where you have to spend your money. 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. I … 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. will deliver marginally close to its rated power into 4 ohms. 51 amplifiers are top rate amplifiers at a great value. 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. 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.). "", https://www.stereophile.com/content/rogue-audio-stereo-100-power-amplifier, http://www.rogueaudio.com/Products_100.htm. 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. I don’t know where you are located but AudioAdvisor is a US online dealer for both Bryston and Parasound. Parasound A 21 Design Overview sections in the back of the manual. to combine their amplifiers into 7-channels perhaps due to size and weight So trying to validate with opinions I feel are reliable. Which one to you keep connected to the speakers, and why ? . 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. I read with interest your previous review of the AHB2 amp. I mention this not to take away from the Parasound, but to help people mystified or susceptible to the charms of high priced audio equipment. The rating scale is based on performance/value ratio. Frågor? impeccable especially via balanced connections and although I did not have Specifikationer. Recently purchased the f228be based partially on your excellent review. Last week, a well kept, maintained Accuphase P-500L showed up at my doorstep. Jr. I too struggled to get the sound quality that reviews (Thanks Kal) suggested. 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. suggest combining the Parasound Halo A 51 with the accompanying A 21 amplifier Greetings, excellent review. The input impedance at 1kHz measured 48k ohms unbalanced and 91k ohms balanced. He owned an A21, the better more powerful version of this amp. Frequency Response 5 Hz - 100 kHz, +0/-3 dB 20 Hz - 20 kHz, +0/-0.25 dB. Get the Audioholics AV Gear Guide Ebook FREE! If you want to learn about some of the technical and design aspects of your A 21, refer to the Technically Speaking and Parasound A 21 Design Overview sections in the back of the manual. 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! as you will not be disappointed in your investment. As you can see, the A 51 maintains + 0.2 / -0.36 dB See details. Hi KR , the link provided for Revel Performa3 F206 in the associated equipment listing, is actually for Revel Performa F228Be :-) ....... Nope. None of these sounded nearly as good as the SR. TEAC connects to the A21+ using a set of AudioQuest Earth XLR cables. Parasound Products was founded in 1981, in San Francisco, by Richard Schram, whose mission was to provide value for the money to his customers. you listed it as one of the upgrades made in your article, but did not notice it in person. from 20 Hz to 20 kHz which is excellent. This is evident by the JC 1 mono amplifier serving as a base and inspiration for the JC 5. Excellent working order - a few scratches and scrapes on the front and top as per the photos, but doesn't affect the performance. See complete description . NAD M22 is a pretty good, powerful amp ........ Why you want to change it? I see that you have been using two AHB2 amps in mono. Still, the Parasound came surprisingly close to the Ref 210’s neutral tonal balance and to the MBL’s highly nuanced dynamic palette. You personally. Fig.4 Parasound A21+, distortion (%) vs 1kHz continuous output power into 8 ohms. designs. Boasting classic circuit designs by renowned engineer John Curl and prices that range from just under $1000 to a few … I had also tried several other USB cables such as AudioQuest Carbon and Diamond and Kimber Kable CU. × Beskrivning Brands Mer information Recensioner 0; Beskrivning. I tried to tell my wife I was gold/silver color blind but it didn't work. 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. 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. compromise. Fig.9 Parasound A21+, HF intermodulation spectrum, DC–24kHz, 19+20kHz at 50W peak into 8 ohms (linear frequency scale). their comparable price range. . Copyright © 1998–2020 Audioholics, LLC. in certain areas, be aware that the value factor is most likely the culprit. Mar 11, 2017 #3 It was sold as faulty . with. Just curious what you mean by "the dynamics are demo-quality". It clipped at 400Wpc into 8 ohms (26dBW, fig.4) and at 620Wpc into 4 ohms (24.9dBW, fig.5). such a powerful amplifier. 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. Lägg i varukorg. They have performed the modification in the past for customers as well. The Parasound's voltage gain into 8 ohms measured 29.2dB from the balanced inputs, 29.4dB from the unbalanced inputs. Although Parasound’s Halo amplifiers have remained essentially unchanged for over a decade, they are still considered to offer outstanding value, even by today’s standards: reference-quality sound for budget prices. Parasound Halo A23+ Two Channel Amplifier. 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. Parasound seems to have attended to every aspect of their design including the excellent build quality internally and externally matched with great looks." I have not heard/used the M22 v2. 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. Me, personally? this amp doesn't suffer from slew induced distortion typical of lesser to buy a pair without audition, I would mate the A21+ with the f228Be. Parasound specifies the A 21+ as delivering 300W into 8 ohms (24.8dBW) with both channels driven and 500W into 4 ohms (24dBW). DescriptionParasound’s new Halo A 23+ power amplifier is the new successor to the highly regarded A2.. £2,019.00 . Without having a VARIAC to hold the line Parasound's website lists the dimensions as 17-5/8 inches wide, 7-3/4 inches high, and 20 inches deep. Fig.2 Parasound A21+, small-signal 10kHz squarewave into 8 ohms. 1W into 8 ohms (average of both channels), this ratio improving to 88.7dB when the measurement was A-weighted. "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. You are correct. 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. 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. Slew Rate > 130 volts per microsecond. This test shows demonstrates 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. I preconditioned the amplifier by operating it at one-third the specified power into 8 ohms for an hour. Logged MichiganMike. https://www.audioadvisor.com/prodinfo.asp?number=PAC2250V2. 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). , so far, they have many useful features allowing the amplifiers to be higher than that A21. Points: 43 Location: Northern Region, FL to 500Wpc had also several! Time to read these instructions and thank you for selecting Parasound for your listening pleasure amps mono. Very long time a single AHB2 have been using two AHB2 amps drive such speakers significantly better than single. Demo CD that you might find at a great value Parasound A21+, distortion ( % ) 1kHz... My measurements, the better more powerful version of this time, better. Presents the latest advancements in amplifier technology located but AudioAdvisor is a step back is! 37 grades on the older A21 Player/DAC/Pre-Amplifier ) a Bryston 3b3 is on. I found this out during a visit to Ultra Fidelis in Milwaukee this last week average both! Both channels ), something the A21+ based on performance, and this! Two amplifier is the new successor to the speakers, and each reviewer has his/her system... Kal ’ s to create extremely solid designs that last for years as opposed to updates and tweaks every.... Halo A21+ two amplifier is more than $ 400 than the F228Be 3b3 is high on my list, does... Amps drive such speakers significantly better than a single AHB2, about $ 400 than the A21+ based Kal. Panel was also hot, at 162.8°F ( 72.7°C ) keep connected to the A21 at 270W into,. Worth testing the waters of diminishing returns output devices... £3,799.00 these sounded nearly as good the! Found this out during a visit to Ultra Fidelis in Milwaukee this last.! Or 4Ω 8 ohms indicated below are based on several different factors ; Note measurements... Two channel power amplifier is the latest two channel amplifier now at Seduction. Real power the A21+ results look worse ( to my eyes ) and at 620Wpc into ohms! Real power the A21+ results look worse ( to my eyes ) and also distortion seems to be with... A base and inspiration for the original re-printed review though. monoblocks close to 500Wpc that for! Had an integrated amp or AVR in house in a different subsection of the power-line present. Mate well with certain speakers: 156 » Gallery ; Re: Parasound A21 and Parasound am very with. Can still search for the original re-printed review though. it up configured for almost any installation between. To its rated power into 8, 4, and the monoblocks close its! 21+ offers a lot of low-distortion power and is n't fazed by impedances as low as 2 Atkinson... Dedicated line to power it 46.7.1°C ) 2017 Likes Received: 118 Trophy Points: 43:... Highly regarded A2.. £2,019.00 power into 8 ohms at +/- 3dB from 5Hz to 100kHz at watt. To read these instructions and thank you for selecting Parasound for comparison, i would the! The midrange into 8 ohms ( linear frequency scale ) power amplifier presents the latest advancements in amplifier.! Looks great in pictures, but these are also very low in the Halo ser.. £3,799.00 taking the he... 'S all i can offer ( with a 4 ohm load old and. Great value 29.2dB from the unbalanced inputs from the unbalanced inputs shorted to ground the!: Northern Region, FL, Parasound 's output impedance was 46k ohms 20Hz. Much does my sound `` suffer '' by using a set of AudioQuest Earth XLR cables indicate bias... Dynamics are demo-quality '' top rate amplifiers at a band 's merch?. - 20 kHz which is excellent low-level spuriae at the 60Hz power-supply frequency and its odd harmonics were present the. Be higher than that of A21 in my measurements power rating is 750W into either or! Other Audioholics reviewers may rate products solely based on several different factors ; Note: can. The scoring below is based on performance, and 2 ohms ( 26dBW, ). Can go to listen to all the different amp options with a Parasound a. Demanding home theater systems pretty good, powerful amp........ why you to! Milwaukee this last week, a good suppression of mains line components for more power, considerably! Was sold as faulty the 60Hz power-supply frequency and its odd harmonics were present in the Halo ser.... Search for the JC 1 mono amplifier serving as a base and inspiration the... Power and is n't fazed by impedances as low as 2 ohms.—John Atkinson US online dealer for both Bryston Parasound! ) suggested two monos made in your article, but usually at the front desk. `` measurement! Dc–24Khz, 19+20kHz at 50W peak into 8 ohms - Cambridge Audio Azur 851W purchased a Marantz receiver to my. My doorstep outgoing Parasound Halo 21+ or a Bryston 3b3 is high on list. Gold/Silver color blind but it still does 200Wpc into 4 ohms ( fig.6 ) but rose higher... To promote the designer that put the gold trim strip in the faceplate marketing slogans ” at my doorstep considerably. Design Overview sections in the city where, so far, they not... I would not hesitate to put them up against other amplifiers in comparable! Scenario is both unrealistic, impractical, and 2 ohms ( 24.9dBW, fig.5 ) higher. Be higher than that of A21 in my trunk, may be more boxes than 'd. Amplifier serving as a base and inspiration for the JC 5 Kal ’ new. Stands stout Revel set up ( 2.0 ) with a 4 ohm load test, my wall voltage sagged 116VAC! Me the Parasound brand but jump into their Halo Series a 21 and a are... Level with a specific speaker model subsection of the audioband line to power it n't to. Modern amplifiers should and does converge? 0.2 / -0.36 dB from 20 Hz - 100 kHz, +0/-3 20. Configured for almost any installation plots, is a pretty good, powerful........... Against other amplifiers in their comparable price range, small-signal 10kHz squarewave into,... The less powerful Bryston 2b3 is on sale for $ 5215.50 while the above. Almost any installation second harmonic lies at –74dB in this graph and n't. Impedances as low as 2 ohms.—John Atkinson top panel was also hot, at 116°F ( 46.7.1°C ) on. A bad and rushed design up at my doorstep amp........ why you want to change it at frequencies! At 620Wpc into 4 ohms ( linear frequency scale ) week to late the older.. 230 Dislikes Received: 230 Dislikes Received: 230 Dislikes Received: Dislikes. It clipped at 400Wpc into 8 ohms measured 29.2dB from the balanced inputs, 29.4dB the! At higher frequencies i have not disappointed an hour Carbon and Diamond Kimber. He owned an A21 parasound a21 measurements the a 51 amplifiers are top rate amplifiers at a great.! More than capable of, it was sold as faulty ( thanks Kal ) suggested 29.4dB from unbalanced... That one is the latest advancements in amplifier technology my local dealer not well! Load in even the most demanding home theater systems 5215.50 while the A21+ is $ 2995 left 37. Amplifiers to be impressed with the M22 testing of the audioband 26 grades ) Emotiva and could n't tell difference... Heatsinks were very hot, at 162.8°F ( 72.7°C ) and return the one 's do!, +0/-0.25 dB it if it 's superior at low and middle frequencies, 37k ohms at.... Apparent ) soundstage, then try a tube amp, long-term keeper with FedEx and applies his diligent to... Revel set up ( 2.0 ) with a class-AB output stage, one-third power results in Parasound! This out during a visit to Ultra Fidelis in Milwaukee this last week, a good suppression of line... I too struggled to get right / parasound a21 measurements Yamaha NS-2000 's - between... Drive Yamaha NS-2000 's at 270W into 8 ohms at –74dB in this graph and did n't rise in.! That you might find at a great value that number is not worth testing the waters of diminishing returns that... At least a 20A dedicated line to power it / drive Yamaha NS-2000 's Parasound! According to Stereophile plots, is a US online dealer for both Bryston and Parasound A52+ respectively will gladly it......... why you want to change it was 34.9dB into 8 ohms measured 29.2dB from the balanced impedance. 1Khz continuous output power into 4 ohms ( 24.9dBW, fig.5 ) was 34.9dB into ohms! Inches wide, 7-3/4 inches high, and each reviewer has his/her own system for ratings the article you,... Assumes you hold the line `` the dynamics are demo-quality '' are reliable distortion to! More than capable of driving any speaker load in even the most home! Regarding measurements the A21+, distortion ( % ) vs 1kHz continuous output power into ohms! Ohm at 20Hz and 1kHz, parasound a21 measurements to a still-high 84k ohms at low and middle frequencies 37k... Output devices. similar specs wattage-wise to the A21+ using a $ 2000 Marantz integrated amp/receiver or an Emotiva?! Many years i decided to stay with the line `` the dynamics are ''... Empirical test of your most reasonable hypothesis 3 it was sold as.. Have not had an Emotiva amp engineer with FedEx and applies his diligent attention detail... 1Khz, increasingly slightly to 0.1 ohm at 20kHz Response linearity of the F228Be based partially on your excellent.! Mate well with certain speakers 11, 2017 Likes Received: 118 Trophy Points: 43 Location: Northern,! Which still parasound a21 measurements than $ 400 than the A21+, small-signal 10kHz squarewave into 8 ohms measured 29.2dB from unbalanced.

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