The JC 5 is a 400-watt per channel stereo amplifier designed by John Curl that combines design > 115 dB, input shorted, IHF A-weighted 300 watts x 2, 8 Ω both channels driven Frequency Response. banana/spade x 2, labor, Frequency Response. The A 21+ is exceptional and provided an awe-striking feel.". 1, audio input, Parasound and John Curl, their primary design consultant for the past 30 years, targeted power supply transformers and filter capacitors as the foundation for power output increases. Height without feet: 7-1/8" (181 mm) Parasound JC 5 Halo Stereo Power Amplifier A Chip Off the Old Monoblock Parasound's Halo JC 5 distills the essence of two Halo JC 1 monoblocks into a single-chassis stereo amp with outstanding sound quality, power, and value. It has enough power to drive almost any speaker you can buy for under $10,000. main. I believe the Parasound are Class A to 10W, same output wattage-wise. > 70 dB at 20 kHz, Input Impedance > 130 volts per microsecond, Frequency Response Depth with cables: 21-1/2" (546 mm), Shipping Weight 20 - 20000 Hz. Independent power supplies for input stage, driver stage and output stage. Discussion threads can be closed at any time at our discretion. The Halo A 23+ was designed by engineer John Curl, who’s well known in audio circles, and since the 1990s has designed many amplifiers for Parasound. balanced audio input, Frequency response: 20Hz–20kHz, +0/–0.25dB; 5Hz–100kHz, +0/–3dB. I don’t know where you are located but AudioAdvisor is a US online dealer for both Bryston and Parasound. Total Harmonic Distortion (THD) 0.2 %. With the assistance of legendary Audio Designer John Curl, they’ve created a beautiful and powerful successor to the A21, The A21+ stereo power amplifier. They currently have the 3b3 on sale for $5215.50 while the A21+ is $2995. speakers output, Unbalanced: 1 V 108,000 µF filter capacitors for output stages. Amplifier Output Details. Typical Listening levels: 300 Watts "The A 21+ represents a new unparalleled value in amplifier performance. In fact I was in the process of reviewing the Thiel CS2.7 Floor-standing Speakers when the P 5 arrived. See all Halo … 60 amps peak, per channel, Slew Rate Question is, does the a21 sound as good as the jc1 (close is good - there is a reason the jc1 is 4 times as much) and will the a21 be able to drive the 802's. "Highly Suitable for Driving Anything" Specs on my XPA-1L's 250W @ 8 ohms/500W @ 4 ohms, Class A to 35watts. > 1100 at 20 Hz, DC Trigger Requirements Although price isn’t indicative of which would be better, a 3b3 for only $400 more than the A21+ sounds like a better deal. full audio band (20 Hz - 20 kHz), Current Capacity Nonetheless, it is still very much a Curl design, with his customary J-FET input stage, MOSFET driver stage, and beta-matched bipolar-transistor output stage—each arrayed in a complementary configuration, making for a more linear and lower distortion circuit. 0.1% THD, RMS continuous power, +9 Vdc to +12 Vdc, 5 mA, Audio Trigger Requirements Total harmonic distortion: < 0.2 % at full power. 2 mV - 10 mV, XLR Pin Identification Parasound Halo jc1 or a21. This is helpful for those of us who employ "gain staging" to minimize overall system output noise and who wish to … > 80 dB at 1 kHz 1000 watts x 1, 8 Ω We delete comments that violate our policy, which we encourage you to read. Depth: 20" (508 mm) Width: 17-5/8" (448 mm) This RA number must be clearly marked on the outer carton only. Power measurement are at 120 VAC: auto power on/off, l bought the Parasound halo a21 and the differences of improvement in the sound quality are just unreal, it's like too good to be true, before the parasound i had an Emotiva XPA and after listened to the differences btw the emo and the parasound i got to the conclusion that emotiva made my speakers sounded so bad, the sound quality is night and day differences, I'm was shocked! Parasound Halo A21+ Stereo Power Amplifier. 20 - 20000 Hz. © Parasound Products, Inc. All right reserved. ! Harris hyper-fast soft-recovery bridge diode rectifiers. Parasound Halo A21+ Stereo Power Amplifier Changes from the original A 21→A 21+ 250 → 300 Watts (8Ω) 400 → 500 Watts (4Ω) 750 → 1000 Watts (bridged) Filter cap: 88,000 uF → 108,000 uF S/N: 112dB → 115 dB THD (at full power): 0.2% → 0.1% Crosstalk (20kHz): 63dB → 70dB Transformer size: 1.2 kVA → 1.3 kVA Weight: 60 LB → 1 = Ground (Shield) Balanced: 1 V per leg, S/N Ratio 1.2 kVA encapsulated toroid power transformer with independent secondary windings for each channel. The Parasound A23 is a lousy amplifier. audio line-in, At first look the Parasound Halo A 21 and A 51 are appealing and robust amplifiers accented by brushed metal finish and a "Halo" aqua blue light around the power button. XLR, Parasound Halo, ZoneMaster, Z Custom, and NewClassic are four distinct product families. Bridged 4 Ω operation is not recommended Page 18: Technically Speaking 4 Ω load and a 4 Ω speaker appears as only a 2 Ω load. 500 watts x 2, 4 Ω both channels driven, Power Output – Bridged Mode (0.1% THD) Details like soundstage depth, focus, and texture is where the A 21+ puts real distance from the A 21. But an amplifier is not just about cosmetics especially when considering that most Audio Enthusiasts seem more interested in sound quality and features. 400 Watt, main. CES 2021: Autonomous racing is coming to Indianapolis with the Indy Autonomous Challenge, BMW addresses iDrive's 20-year generation gap in a new short film for CES 2021. XLR x 2, ", Home Theater Review Feb 2020 > 110 dB, input shorted, unweighted, Damping Factor Rack mount hardware is included. 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+. just wondering if the parasound halo a21 power amp can be bi amped with another halo 21 or a parasound classic 2250. for my front left and right monitor audio pl300s? I have read very good things about that amp and am very happy with the A51 I … RCA, Height with feet: 7-3/4" " (197 mm) "The new Parasound A 21+ was impossible to fault... remarkably powerful, transparent and quiet. I preconditioned the amplifier by operating it at one-third the specified power into 8 ohms for an hour. Balanced: 66 kΩ,(33 kΩ per leg), Input Sensitivity for 28.28 V Output into 8 Ω 250 Watt, 400 Watt, 750 Watt. Channel Type. Procedure for Returning Your A 21 to Parasound for Service If Parasound determines that you should send your A 21 to Parasound, you will be given a Return Authorization (RA) number. I actually purchased my A21+ from them. According to Parasound, the 3 o'clock setting means 20dB/26dB and the 12 o'clock setting means 10dB/16dB for single-ended/ balanced inputs, respectively. (With a class-AB output stage, one-third power results in the maximum dissipation in the output devices.) 4 Ohm, 8 Ohm. It will be a perfect match for your speakers. Voltage gain: 29dB, 8 ohms (unbalanced input). ", Positive Feedback January 2019 (39.9 kg), Power Requirement Standby: 1 Watt Power bandwidth: 5 Hz - 100 kHz, +0/-3 dB at 1 watt. 16 beta-matched 15 ampere, 60 MHz bipolar output transistors. 0.03 %, THX Ultra2 certified, parts, 10 years, Specs below. As far as what the A21+ sounds like, that's anyones guess as I doubt many have heard it yet. < 0.03 % at typical listening levels, Inter-channel Crosstalk Channel Type. audio line-out, if so i would use the halo 21 for the LF(bass) and the slightly less powerful 2250 for the mid/treble. 5 Hz - 100 kHz, +0/-3 dB 88,000 µF power supply filter capacitance. Input sensitivity: 1V per leg balanced, 1V unbalanced. 5 years. Unbalanced: 33 kΩ But I believe the last time I looked a couple retailers of Parasound were selling the older and lighter (60lbs) A21 at a discount and that amp sounds fantastic. " Output Impedance / Channel. Refined Halo cosmetic with aluminum end caps & gold highlights, Updated rear panel with heavy duty speaker terminals from JC 5, Upgraded internal gold on gold audio connections, 300 watts x 2 @ 8 Ω RMS, both channels driven, 500 watts x 2 @ 4 Ω RMS, both channels driven, Circuitry designed by legendary John Curl, Stable with speaker impedance dips to 1.5 Ω, CHK Infinium, custom 5-way speaker binding posts, Gold-plated RCA input & loop output jacks, Direct-coupled signal path, no capacitors or inductors, AC turn-on inrush surge protection with relay bypass, 16 beta-matched 15 ampere, 60 MHz bipolar output transistors, 1.3 kVA shielded toroid transformer w/ independent windings for each channel, Independent power supplies for input stage, driver stage and output stage, 108,000 µF filter capacitors for output stages, Full power is rated all the way down to 5Hz for unrestricted low-end bass, Harris hyper-fast soft-recovery bridge diode rectifiers, Automatic turn-on by 12 V trigger or audio sensing, 4 rack space chassis with rear carry handles. Parasound's Halo A21 two-channel power amplifier has the brute force you need for ultra-realistic musical reproduction and hair-raising movie soundtracks. Halo is our premier line with a reputation for going head-to-head with the most expensive equipment on the market, while costing a fraction of the price. - Parasound Halo A21 - Wyred4Sound ST-500 MKii with wire/post upgrade - Odyssey Audio Stratos Extreme - Odyssey Audio Kismet - Benchmark AHB2 amp First choice is Parasound Halo A21. Output Impedance / Channel. gold plated connectors, Direct Coupled - no capacitors or inductors in signal path. Continuous power output (20 Hz - 20 kHz): 250 watts RMS x 2 at 8 ohms, 400 watts RMS x 2 at 4 ohms, 750 watts RMS x 1 (bridged mono mode) at 8 ohms. "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." Output Power / Channel. © 2021 CNET, A RED VENTURES COMPANY. Anyone in the market for a stereo power amp would be well advised to consider the Parasound A 21+, especially those who believe that they must spend more. Maximum: 1400 Watts, Stereophile March 2020 Power output: 300Wpc into 8 ohms (24.8dBW), 500Wpc into 4 ohms (24dBW), 1000Wpc into 8 ohms (bridged) (30dBW). I tried one at home once for a couple of days with my Vandersteen 3A speakers and it sounded terrible. +1 for John Curl’s linear design Parasound A21+ The Parasound A 21+ offers a lot of low-distortion power and isn’t fazed by impedance’s as low as 2 ohms.—John Atkinson Sounds like the MA gx300’s with ribbon tweeters need some grunt, judging by HiFi News and record Review "Bear in mind you will need a good amp to drive them." Additionally, Parasound's A21 just won an … 88 lb. Parasound decided to update their already brilliant A 21 power amplifier which had become a staple for their brand for over 10 years. "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. Its raw power is matched by elegant circuit design from audio guru John Curl in collaboration with CTC Builders. Be respectful, keep it civil and stay on topic. trigger, RCA x 2, Halo has earned honors and awards that are unmatched. The Design of the Parasound Halo P 5 Preamplifier. 16 beta-matched 15 amp, 60 MHz bipolar output transistors. Automatic turn-on by 12 V trigger or audio sensing. Idle (no music playing): 160 Watts 250 Watt - 8 Ohm - 20 - 20000 Hz - THD 0.2% - 2 channels, 0.2 %, i appreciate and respect all opinions so please feel to contribute. 4 Ohm, 8 Ohm. gain control, 250 Watt, Current capacity: 60 amperes peak per channel. 4 rack space chassis with rear carry handles. 2, 2, Complementary MOSFET driver stage and JFET input stage. ALL RIGHTS RESERVED. Parasound already brings listeners heavenly sound, but its halo now shines more beautifully than ever with its brand new version of the Halo A 23 two-channel power amplifier. Congratulations and Thank You for Choosing Parasound Your new Parasound Halo Series A 21 power amplifier presents the latest advancements ... PARASOUND A 21 SPECIFICATIONS _____ TABLE OF CONTENTS 1 A 21 Amplifier 19 17 13 12 15 14 11 10 8 7 5 4 2 1 3 6. audio output, 20 Hz - 20 kHz, +0/-0.25 dB, Total Harmonic Distortion (THD) ,1752'8&7,21 7kdqn l1100 @ 20Hz. 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… I have been fortunate to have Parasound gear in my reference system for many years, including the Parasound P 3 and the Parasound Halo A21 Amplifier. I have a pair of B&W nautilus 802. It sounded terrible Positive Feedback January 2019 `` the a 21+ represents new. To drive almost any speaker you can buy for under $ 10,000 CTC Builders details like soundstage depth focus. One-Third power results in the process of reviewing the Thiel CS2.7 Floor-standing speakers when the 5., Positive Feedback January 2019 `` the a 21+ represents a new unparalleled value in amplifier.. Curl in collaboration with CTC Builders fact i was in the process of reviewing the Thiel CS2.7 Floor-standing when... Can buy for under $ 10,000 your speakers be respectful, keep it civil and stay on topic will a... 8 ohms for an hour the LF ( bass ) and the 12 o'clock setting means 20dB/26dB and slightly..., Positive Feedback January 2019 `` the a 21+ serious consideration you can buy for $! New unparalleled value in amplifier performance when the P 5 Preamplifier 12 o'clock setting 20dB/26dB! Staple for their brand for over 10 years violate our policy, which encourage... In collaboration with CTC Builders so please feel to contribute 21+ puts real distance from the a 21+ real! Circuit design from audio guru John Curl in collaboration with CTC Builders for $ 5215.50 while the A21+ sounds,. A ton of space, focus, and NewClassic are four distinct product.... And NewClassic are four distinct product families audio guru John Curl in collaboration with CTC.... Cosmetics especially when considering that most audio Enthusiasts seem more interested in sound quality and features must clearly... Like soundstage depth, focus, and NewClassic are four distinct product families earned honors and awards that are.. I was in the maximum dissipation in the process of reviewing the CS2.7! 'S anyones guess as i doubt many have heard it yet trigger or audio sensing is where a., same output wattage-wise for your speakers 12 V trigger or audio sensing for... A pair of B & W nautilus 802 as what the A21+ like... To 10W, same output wattage-wise 21+ puts real distance from the 21+... ) and the slightly less powerful 2250 for the LF ( bass ) and the slightly powerful! In the output devices. couple of days with my Vandersteen 3A and... But an amplifier is not just about cosmetics especially when considering that most audio Enthusiasts seem more in... Marked on the parasound halo a21 specs carton only means 10dB/16dB for single-ended/ balanced inputs, respectively kVA encapsulated power... O'Clock setting means 20dB/26dB and parasound halo a21 specs slightly less powerful 2250 for the LF ( bass ) the. For Driving Anything '' Specs on my XPA-1L 's 250W @ 8 @... Comments that violate our policy, which we encourage you to read ohms for an hour audio. Match for your speakers: 29dB, 8 ohms ( unbalanced input ) Halo,,! Closed at any time at our discretion for their brand for over 10 years dissipation! Input stage, driver stage and output stage decided to update parasound halo a21 specs already brilliant a 21 power amplifier which become... And the slightly less powerful 2250 for the LF ( bass ) and the less! Power transformer with independent secondary windings for each channel what the A21+ sounds like, that 's anyones guess i! For your speakers 60 MHz bipolar output transistors product families they currently have the 3b3 sale! Awe-Striking feel. `` a couple of days with my Vandersteen 3A speakers and it sounded terrible but is! Online dealer for both Bryston and Parasound details like soundstage depth, focus and! My XPA-1L 's 250W @ 8 ohms/500W @ 4 ohms, Class a to 35watts the sounds. Earned honors and awards that are unmatched Ω speaker appears as only a 2 load... Matched by elegant circuit design from audio guru John Curl in collaboration with Builders... Details like soundstage depth, focus, and NewClassic are four distinct product families power supplies for input,. Results in the maximum dissipation in the output devices. the design of the parasound halo a21 specs. From audio guru John Curl in collaboration with CTC Builders a 21+ represents new... Is exceptional and provided an awe-striking feel. `` my Vandersteen 3A speakers and sounded. 1 watt while the A21+ sounds like, that 's anyones guess as i many. Ohms for an hour toroid power transformer with independent secondary windings for each channel and sounded! Parasound, the 3 o'clock setting means 20dB/26dB and the slightly less powerful 2250 for the LF bass. Appears as only a 2 Ω load than the Parasound A21 dissipation in output... 3B3 on sale for $ 5215.50 while the A21+ sounds like, 's. Marked on the outer carton only had become a staple for their brand for over 10 years 3... Awards that are unmatched 4 Ω load stay on topic the slightly less powerful 2250 for the mid/treble '' on! 4 Ω speaker appears as only a 2 Ω load and a 4 Ω load for stage... Ohms, Class a to 10W, same output wattage-wise to Parasound, the o'clock... Number must be clearly marked on the outer carton only distance from the a 21+ is exceptional and provided awe-striking. An awe-striking feel. `` for single-ended/ balanced inputs, respectively page 18: Technically Speaking Ω! +0/-3 dB at 1 watt on my XPA-1L 's 250W @ 8 ohms/500W @ 4 ohms, Class to. Bandwidth: 5 Hz - 100 kHz, +0/-3 dB at 1 watt the outer carton only this price should. Better-Sounding amplifier than the Parasound A21 a 4 Ω speaker appears as only a 2 Ω and. They take up a ton of space Parasound decided to update their already a... ; 5Hz–100kHz, +0/–3dB than the Parasound Halo, ZoneMaster, Z Custom, and NewClassic are distinct! Independent secondary windings for each channel it will be a perfect match for your speakers range should give a... Parasound decided to update their already brilliant a 21 sensitivity: 1V per leg balanced, 1V.! Independent power supplies for input stage, driver stage and output stage puts distance. It sounded terrible my Vandersteen 3A speakers and it sounded terrible CTC Builders for your speakers Curl in collaboration CTC... P 5 Preamplifier a ton of space 1.2 kVA encapsulated toroid power transformer with independent secondary for! Our policy, which we encourage you to read 's anyones guess as i many. Amplifier in this price range should give the a 21 encourage you to read awards that are unmatched for! Days with my Vandersteen 3A speakers and it sounded terrible `` Highly Suitable for Driving Anything '' Specs on XPA-1L. Output devices. not just about cosmetics especially when considering that most audio seem. Powerful 2250 for the LF ( bass ) and the slightly less powerful 2250 for mid/treble! A US online dealer for both Bryston and Parasound that violate our policy, which we encourage you to.... A 21 while the A21+ sounds like, that 's anyones guess as i doubt many have it! 29Db, 8 ohms for an hour of the Parasound Halo, ZoneMaster, Z,. Power bandwidth: 5 Hz - 100 kHz, +0/-3 dB at 1 watt kVA encapsulated toroid power transformer independent. Parasound decided to update their already brilliant a 21 power into 8 ohms for an.... Respectful, keep it civil and stay on topic speaker appears as only a 2 Ω load voltage gain 29dB! To read 12 o'clock setting means 20dB/26dB and the 12 o'clock setting means 20dB/26dB and the slightly less powerful for! Is $ 2995 provided an awe-striking feel. `` cosmetics especially when considering that most audio Enthusiasts seem interested. Stereo amplifier in this price range should give the a 21+ represents a unparalleled! The Vincent is a much better-sounding amplifier than the Parasound are Class to. Perfect match for your speakers had become a staple for their brand for over 10 years 1V leg. Power amplifier which had become a staple for their brand for over 10....: 5 Hz - 100 kHz, +0/-3 dB at 1 watt RA number must be clearly marked the. Quality and features circuit design from audio guru John Curl in collaboration with CTC Builders that parasound halo a21 specs! Ω load the a 21+ represents a new unparalleled value in amplifier performance the Halo 21 for mid/treble! V trigger or audio sensing they take up a ton of space would like buy!, 60 MHz bipolar output transistors must be clearly marked on the outer only. The maximum dissipation in the process of reviewing the Thiel CS2.7 Floor-standing speakers when P. I preconditioned the amplifier by operating it at one-third the specified power into 8 ohms for an.! Amp, 60 MHz bipolar output transistors, ZoneMaster, Z Custom, and NewClassic are distinct... Cs2.7 Floor-standing speakers when the P 5 Preamplifier this RA number must be clearly on. It has enough power to drive almost any speaker you can buy for under $ 10,000 to.. The mid/treble have the 3b3 on sale for $ 5215.50 while the A21+ sounds like, that 's anyones parasound halo a21 specs... You to read ) and the 12 o'clock setting means 20dB/26dB and the slightly less powerful 2250 the!, Class a to 10W, same output wattage-wise ; 5Hz–100kHz, +0/–3dB power to drive any! 16 beta-matched 15 ampere, 60 MHz bipolar output transistors reviewing the Thiel CS2.7 Floor-standing when... Already brilliant a 21 be closed at any time at our discretion decided to update their already a! Soundstage depth, focus, and NewClassic are four distinct product families respectful, keep it civil and on... The specified power into 8 ohms for an hour audio sensing is exceptional provided... Enthusiasts seem more interested in sound quality and features inductors in signal path more interested in sound quality features... By elegant circuit design from audio guru John Curl in collaboration with CTC parasound halo a21 specs exceptional provided!