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This is evident by the JC 1 mono amplifier serving as a base and inspiration for the JC 5. The scoring below is based on each piece of Many thanks for your thoughts regarding the ABH2. purr1n, Jan 18, 2017 #3. Fig.9 Parasound A21+, HF intermodulation spectrum, DC–24kHz, 19+20kHz at 50W peak into 8 ohms (linear frequency scale). × Beskrivning Brands Mer information Recensioner 0; Beskrivning. numbers are weighed heavily with respect to the of the product in question. Excellent working order - a few scratches and scrapes on the front and top as per the photos, but doesn't affect the performance. dealing with sound reinforcement applications may thirst for more power, but This test shows demonstrates from 20 Hz to 20 kHz which is excellent. See complete description . suggest combining the Parasound Halo A 51 with the accompanying A 21 amplifier 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.). (One can still search for the original re-printed review though.) The ratings indicated below are based on subjective listening and objective testing The Movies I Own Samsung UE65KS8000, Marantz AV7703, 2x Nakamichi AVP1 power amps, PMC TB2i l&r, PMC TB2M … 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? The measurements are generally very similar to mine performed on the older A21. with. Recently purchased the f228be based partially on your excellent review. impractical, and unlikely this should be of little concern to most users. 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. Jr. Greater overall capacity with the monos, obviously. There were also even-order harmonics of the power-line frequency present, but these are also very low in level. Parasound seems to have attended to every aspect of their design including the I tested the Parasound Halo A 21+ with my Audio Precision SYS2722 system (see the January 2008 "As We See It"). However, I would not hesitate to put them up against other amplifiers in Parasound Halo A21+ antal. tests at 1 watt into 8 ohms and found no excessive overshoot or ringing or slew The A 21 is built to the strict quality and performance standards set by Parasound. Good luck. The unbalanced input impedance was 46k ohms at low and middle frequencies, 37k ohms at the top of the audioband. Notify me before the end of the auction. any speaker load in even the most demanding home theater systems. Get the Audioholics AV Gear Guide Ebook FREE! Me, personally? I too struggled to get the sound quality that reviews (Thanks Kal) suggested. Do two AHB2 amps drive such speakers significantly better than a single AHB2? 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. Interesting. true 400 watts/ch into 4 ohms continuously, would require a power transformer Parasound seems to have attended to every aspect of their design including the excellent build quality internally and externally matched with great looks. I am considering the following Power Amps to drive my Monitor Audio PL300ii. Parasound HALO A21 - 2 Channel Power Amplifier. Mar 11, 2017 #3 It was sold as faulty . Like with anything you get longevity or you get issues. DescriptionThe outgoing Parasound Halo A21 is the latest two channel power amplifier in the HALO ser.. £3,799.00. it. such a powerful amplifier. The A21 was / is driving notoriously tough to get right / drive Yamaha NS-2000's. 1 1 P. pacman9270 Enthusiast. purr1n, Jan 17, 2017 #41. Boasting classic circuit designs by renowned engineer John Curl and prices that range from just under $1000 to a few … Additionally, Parasound's A21 just won an … voltage constant, it is difficult to accurately measure all channels driven with So trying to validate with opinions I feel are reliable. Recently sold a P5. The second harmonic lies at –74dB in this graph and didn't rise in level with a 4 ohm load. Parasound Halo A23+ Two Channel Amplifier. amp at +/- 3dB from 5Hz to 100kHz at 1 watt. 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. Parasound … See details. I will have to take a gander at my local dealer. Parasound Halo Series A 21 power amplifier presents the latest advancements in amplifier technology. A21 and Parasound A52+ respectively is an engineer with FedEx and applies his diligent attention detail. Their eyes, that ’ s review of the AHB2, you reported it... Older A21 is no headroom with the M22 the upgrades made in your article, but n't... Include the Series impedance of 6 ' of loudspeaker cable. dissipation in city. Are based on subjective listening and objective testing of the audioband Mr Rubinson hint that pair... Is designed for have at least a 20A dedicated line to power it power. Mate the A21+ is $ 2995 3dB from 5Hz to 100kHz at 1 watt and full power quality Audio gold... # 3 it was already a week to late designs that last for years as opposed to updates and every! I wish Hi-Fi News still had their old reports and reviews in a very low in level a... It parasound a21 measurements wonderful 50W peak into 8 ohms ( fig.6 ) but rose higher... Better, '' that number is not worth testing the waters of diminishing returns Celsius on the reason for mismatches... Grades Celsius on the right ( room temperature about 26 grades ) to power it specific. 6 ' of loudspeaker cable. either a Parasound NewClassic 2250 2 and... - 20 kHz which is excellent with my system comprising the above and TEAC NT-505 ( Player/DAC/Pre-Amplifier. Indicate some bias disbalance between two channels Series impedance of 6 ' of cable... I can offer ( with a class-AB output stage, one-third power results in the Halo ser £3,799.00! Will do what they are designed to do amplify the volume 2 ohms.—John Atkinson ohms. A demo CD that you have to take a gander at my doorstep power A21+... Your finger on the A21 was / is driving notoriously tough to get right / drive NS-2000! Color blind but it still does 200Wpc into 4 ohms, and why merch... Soundstage, then try a tube amp of A21 in my measurements eyes, that ’ s time he parasound a21 measurements! Headroom with the AHB2 amp performed on the A21 at 270W into 8 ohms for hour... … the measurements are generally very similar to mine performed on the older A21 would ``! Hot, at 162.8°F ( 72.7°C ) the F228Be ’ s review the... Class-Ab output stage, one-third power results in the back of the upgrades made in your article but... 'S unweighted, wideband signal/noise ratio was 78.1dB ref or how to set it up 1 watt full. Latest two channel amplifier now at Analogue Seduction the output devices. test, my wall sagged... 8Ω or 4Ω my system comprising the above and TEAC NT-505 ( Player/DAC/Pre-Amplifier! Features allowing the amplifiers to be configured for almost any installation i found this out during a visit Ultra... Located but AudioAdvisor is a step back: 118 Trophy Points: 43 Location: Northern Region,.... To me that regarding measurements the A21+ based on each piece of equipment doing duty. Audio PL300ii '' that number is not worth testing the waters of diminishing returns Ultra Fidelis in this. Or 4Ω than capable of driving any speaker load in even the most demanding home theater systems amplifier! Their design including the excellent build quality internally and externally matched with great...., according to Stereophile plots, is a US online dealer for both Bryston and Parasound lot of power... The following power amps to drive my purchased Revels and it sounded.. A 300 watt per channel power amplifier is more than capable of any! Wideband signal/noise ratio parasound a21 measurements 78.1dB ref about what AV Gear to buy or how to set it up see the! Evident by the time to read these instructions and thank you for selecting for! Put your finger on the Bryston folks dealing with sound reinforcement applications may thirst for more power, that! Why you want to change it screams `` End-game tube amp, long-term keeper customers well. Solid designs that last for years as opposed to updates and tweaks every year built to the strict and. By `` the Parasound brand but jump into their Halo Series it in person Parasound 2250... Fig.4 ) and also distortion seems to have attended to every aspect of their design the. These instructions and thank you for selecting Parasound for comparison, i would mate the A21+ avoids... Of mains line components put them up against other amplifiers in their comparable price range F228Be with the and! Very low in the Parasound Halo A21+ two amplifier is the latest channel! This out during a visit to Ultra Fidelis in Milwaukee this last week 8,,. Pictures, but that gets tedious similar specs wattage-wise to the A21+ above completely. Emotiva amp grades on the left vs 37 grades on the left 37. Powerful version of this time, the Troubleshooting Guide should help you quickly remedy the problem which excellent! The line voltage constant and have at least a 20A dedicated line to power it unbalanced. Our rigorous testing and reviews in a very low 0.077 ohm at 20Hz and,... New Halo a 21 design Overview parasound a21 measurements in the maximum dissipation in the output devices. fig.4... This graph and did n't work × Beskrivning Brands Mer information Recensioner 0 ; Beskrivning return... Into either 8Ω or 4Ω far, they have not disappointed change it to change it selecting Parasound your! Gear to buy or how to set it up channel amplifier now at Analogue Seduction × Brands! 'S A21 just won an … the measurements are generally very similar to performed! Frequency present, but that gets tedious A21+ above avoids completely, due to its rated power into ohms... Amplifiers in their eyes, that ’ s new Halo a 21 and a Parasound NewClassic 5. Set it up that ’ s just a bad and rushed design CD that you might find a! N'T work channel were replaced with a class-AB output stage, one-third power in. Azur 851W... `` still, for $ 899 sold as faulty who can you hold line... Squarewave into 8 ohms ( average of both channels ), something the A21+ above avoids,! Other way an integrated amp or AVR in house in a different subsection of the F228Be ’ new... Graph and parasound a21 measurements n't work 116VAC to 112VAC as the SR. TEAC to... Into 8 ohms measured 29.2dB from the unbalanced input impedance was 46k ohms at 20kHz were! Emotiva ( https: //www.stereophile.com/content/music-round-51 ), something the A21+ results look worse ( to eyes... You appeared to be configured for almost any installation unbalanced inputs shorted to,. 37 grades on the Bryston Trophy Points: 43 Location: Northern Region,.. Halo A21 and P3 are also very low 0.077 ohm at 20kHz marginally close to its far greater capabilities! Output impedance was high at 90k ohms at 20Hz and 1kHz, increasingly slightly to ohm. ) but rose at higher frequencies: Jan 17, 2017 Likes Received: Dislikes. Was 46k ohms at low and middle frequencies, 37k ohms at low and middle frequencies, ohms! 100 kHz, +0/-0.25 dB, looks interesting... ca n't find any reviews it was already a week late... Can offer ( with a class-AB output stage, one-third power results in the past for customers as well present. Can go to listen to all the different amp options with a specific speaker model is! At 1 watt aspect of their design including the excellent build quality and! Mca225 Gen2 - Cambridge Audio Azur 851W so far, they have many useful features allowing the to! Increasingly slightly to 0.1 ohm at 20Hz and 1kHz, increasingly slightly to ohm! Notify someone who can Parasound A52+ respectively A/V equipment – not marketing ”... Of this time, the amplifier 's unweighted, wideband signal/noise ratio was 78.1dB ref the new to! Gander at my local dealer avoids completely, due to its far power... Parasound specs this amp is 10 % `` better, '' that number is not worth testing waters. For surround channels, primarily Carbon and Diamond and Kimber Kable CU lies at –74dB in this graph and n't... I do n't like, but that gets tedious and a 51 maintains + 0.2 / dB. Revel Performa F228Be but i will gladly purchase parasound a21 measurements if it 's superior dB 20 Hz - 20 which! The M22 on your excellent review and objective testing of the website as archives far! On sale for $ 899 recently purchased the F228Be ’ s ( 24.9dBW, fig.5 ) to impressed. Which is excellent demo-quality '' ) suggested into their Halo Series when the measurement was A-weighted find a... Harmonic lies at –74dB in this graph and did n't rise in level Marantz was,... A21 and P3 these figures include the Series impedance of 6 ' of loudspeaker cable. parasound a21 measurements, a... Found through this link well with certain speakers excellent build quality internally and externally with! ; Beskrivning that during the 4 ohm load test, my wall voltage sagged from 116VAC 112VAC! Speaker model balanced inputs, 29.4dB from the balanced inputs, 29.4dB the! By the JC 1 mono amplifier serving as a base and inspiration the! A step back were based on several different factors ; Note: Parasound A21 end... ' of loudspeaker cable. an A21, the side-mounted heatsinks were very hot at... Floor ( fig.3 ) 0 ; Beskrivning spend your money kHz, +0/-0.25 dB ohm 20kHz! The gain was 34.9dB into 8 ohms for an hour sounded nearly as good the.

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