The Pragmatists at Parasound chose to re-spin the A21 amplifier into the A21+. Swapping the Parasound in for the $20k Class AB Audio Research Ref 210 tube and $40k Class AB MBL 9008 solidstate monoblocks that are my references was somewhat less of a horizon-lowering experience than I anticipated. I am currently auditioning a Rotel MK2 1582, Parasound A23, and Parasound 2250v2. Parasound Halo, ZoneMaster, Z Custom, and NewClassic are four distinct product families. My XSP-1 has a processor loop. if so i would use the halo 21 for the LF(bass) and the slightly less powerful 2250 for the mid/treble. While six watts may not seem like much, that's enough power to drive all but the most inefficient speakers to reasonably high SPLs for the majority of music or movies you'll likely listen to. Additional Resources• Visit the Parsound website for additional information.• Parasound Halo P 5 2.1-Channel Preamplifier Reviewed at HomeTheaterReview.com.• Parasound Announces HINT 6 Integrated Amplifier at HomeTheaterReview.com. However, I also feel confident in saying the sound is not a carbon copy. Additionally, Parasound's A21 just won a… You must log in or register to reply here. but has been updated with a few new features, ca. The numerous upgrades have added considerable weight to the amp, which now tips the scales at 71 pounds. In practice, this means the amp is biased to output a little over six watts per channel of pure Class A power. He owned an A21, the better more powerful version of this amp. The A21 is still a very good amp but I am surprised that Parasound has not upgraded it. It was quite good, see attached plots. Parasound classifies the amp's topology as high-bias Class A/AB. Class A operation often imparts a particularly sweet, smooth, and organic sound signature, and the A 21+ definitely qualifies for these sonic traits, with treble frequencies in particular rendered smoothly and grain-free. Submit a ReviewContact Editorial Policy About us, Privacy Policy CCPA / GDPR Affiliate policy. An amp that will stay in your system for years. The measurements are generally very similar to mine performed on the older A21. The Parasound may have a lower noise floor and lean to the warmer side of neutral which some(me also) perceive as more musical. However, the A 21+ offers a slightly smoother presentation of sound and it should come as no surprise to hear the A 21+ had better grip and control over my speakers' bass drivers. 60 amps current. I had been considering, the JC3+ phonostage (which seems to be well received), but I don't know. We can’t remember the last time we reviewed a product such as this with bass and treble controls. Amir's superb review of the AHB2 is great, and I have fond memories of the Benchmark DAC1, so as a company I'm leaning that way. Its replacement, the Halo A 21+, is priced a little higher at $2,995. However, if judging the A 21+ on its outward appearance alone, it would seem not much has changed. But what, exactly, do you get for that extra coin? As I noted earlier, the A 21+ has a high-bias Class A/AB circuit design, which is one of the amp's standout features. A used Pass Labs vs. Parasound Halo A21 - kelvinkwong0908@hotmail.com - Amp/Preamp Asylum Amp/Preamp Asylum ... it may be better especially in transparency. But it may lack the tube-like quality of A21. Parasound classifies the amp's topology as high-bias Class A/AB. One of the biggest gripes owners had with the A 21's chassis was the plastic end caps found on the faceplate. To facilitate this, the designer of the A 21, the legendary John Curl, was brought back in to make the necessary modifications. After almost 2 years, local shops are still trying to fix the Goldmund and the A21 has done a wonderful job in my system. Matched JFET inputs, MOSFET drivers, and high-current bipolar outputs contribute to its exceptional performance. As the new model name suggests, Parasound decided to improve upon the A 21's design rather than trying to reinvent the wheel. Both are excellent amplifiers in their own right. 2014 (?). With the amp's prodigious output power and high damping factor, the A 21+ offered up some of the most articulate, well-controlled bass I've heard down to the lowest octaves my speakers would go. After 15 years of devoted service, Parasound has retired its beloved Halo A 21 amplifier. These thoughts are perfectly appropriate when nothing but a plus sign has been added to the model name. So, depending on the power needs of your speakers and how hard you drive them, much of you listening will be done in pure Class A, with Class AB power provided only in particularly dynamic moments. The A 21 amplifier is loaded with usable … Crosstalk and signal-to-noise ratio see improvements too, now rated at 70dB and 115dB, respectively. Subjectively, it was more noisy (worse S/N). any chance you also measured parasound hint? As a previous long-time owner of the original A 21, I feel confident in saying the A 21+ does in fact sound similar. Thanks, just noticed that's a pre-amp. Maybe the fact that analog section seems to be much better than the digital one - see the Stereophile review. For my 2 channel system, I have the A21 with the P5 pre-amp along with the JC 3 Jr. phono preamp and love them all. I've considered trying the ZBOX for my fronts. Both balanced XLR and unbalanced RCA inputs are available, with each channel still featuring its own independent gain control and RCA signal loop outputs. JavaScript is disabled. Bass performance from the A 21+ is as good as I've heard from any amplifier near its price point and even competes with many amps costing far more. Parasound Halo A 21+ Stereo Amplifier Reviewed. I just figure if the Parasound Halo Ax1's were fully balanced, differential designs, Parasound would explicitly advertise it as so. Parasound P5 preamp measurements View attachment 83198 In fact, these are the same speaker terminals found on the company's more expensive JC 5 amplifier, though only a single pair of terminals is included per channel, so those looking to bi-wire their speakers will need to consider a different amp. If not, I'd go XPR-2. problem with channel imbalance induced by used Alps pot. Not sure about the bass performance comparison between the two. Those shopping for a stereo amplifier in this price range should give the A 21+ serious consideration. For a better experience, please enable JavaScript in your browser before proceeding. Parasound calls the Halo Integrated … I, for one, found the comparisons to Class D and to much pricier Class AB amplifiers enlightening. You'll automatically be entered in the HTR Sweepstakes, and get the hottest audio deals directly in your inbox. Also, the A21/A51 in stealth black is so damn sleek. After auditioning several amps both recently and over the years I decided to stay with the Parasound … All of its high-power output is rated to be stable with speaker impedance dips down to 1.5 ohms. CES Trends: MiniLED and is it Better than OLED? PC --> Topping D90 --> *Denafrips Hyperion* and Schiit Vidar --> Magnepan 1.7i and *Tekton Lore Reference*. PerformanceI'm sure a lot of people reading this review are wondering if the A 21+ sounds a lot like the original A 21. While it doesn't run as hot as, say, a Pass Labs Class A amplifier, without proper ventilation it may overheat. However, it seems to me that regarding measurements the A21+, according to Stereophile plots, is a step back. Specifically, the A 21+ offers more impressive dynamics, a more accurate stereo image, wider stereo separation, and I heard more impressive control over my speakers' drivers on a regular basis. Competition and ComparisonsIf you're considering the A 21+, you're more than likely looking for an amp that is also Class A/AB. Anyone have measurements of the A21+? I just wish it didn't have that "THX certified" logo on the front, kind of cheapens the look imo. I am driving a pair of B&W 804 Diamonds and I really wanted the Rotel to be the keeper. I also have the A52+ driving 5 of the main channels in my HT setup. This lack of sparkle on the top end makes it an ideal candidate for those who like to listen for long periods of time. The former tried and true, untouchable value and staple of their product line, the A21, had set the bar for value vs. performance in both the HiFi and Professional audio worlds. 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? Curl also took a hard look at the A 21's circuit design and made several modifications, all aimed at improving performance and increasing sound quality. At first look the Parasound Halo A 21 is an appealing and robust amplifier accented by brushed metal finish. And despite what the purists say, on occasion, for example when playing a poorly engineered recording, they can be useful. Build quality of the Parasound A 21+ is mighty impressive and handsome enough to fit into most décors. It was nothing to call home about. The Parasound 2250 V.2 "new classic" -- 275wpc Stereo Power Amp is ON SALE for $999, down from $1395. I found the A 21+ fell a bit behind in terms of tonal accuracy, ultimate resolution, and clarity. Thanks. Unless I'm mistaken, I could run through the ZBOX to implement tube sound. In practice, this means the amp is biased to output a little over six watts per channel of pure Class A power. @zerodeefex warned me about the Parasound amps. The amp is still offered in both black and silver finish options, and although at first glance the chassis appears unchanged, a few upgrades have occurred there as well. I liked, on the A21 that I measured, a good suppression of mains line components. These upgrades to the power supply provide a roughly 20 percent increase in output power, with the amp now specified to provide up to 300 watts per channel into eight ohms, 500 watts per channel into four ohms, and up to 1,000 watts into eight ohms in bridged mode. Since Rotel and B&W are synonymous and the amp looks bad ass (matches well with my Marantz 7170). But what, exactly, do you get for that extra coin? The amp's overall sound quality is excellent, with its high bias Class A/AB design imparting a particularly smooth, natural, and organic signature to the sound. The amp came out around 2008 (?) My qualified guess is that the integrated is worse than A21. The Parasound 2250 is one quality amp. To improve signal path and consistency over time, the A23+ also utilizes updated heavy-duty speaker terminals and internal gold-on-gold audio connections. Due to its design, the amp is always drawing power when turned on and needs to dissipate a lot of it as heat, so I suggest you place the amp in a well-ventilated area. They can be switched out of the signal path when not needed, giving a slightly clearer sound. Like its predecessor, the A 21+ still punches well above its price point in overall performance and is still an amplifier that does most things right. Parasound may have been thinking along these lines when they engaged the well-known amplifier designer John Curl to create their new five-channel amp, the Halo A 52+ ($2,995). I think a tubed pre-amp with the XPA amps would be a great place to start. While the upgrades do come with a slightly higher asking price, I found, in practice, these changes make a meaningful enough difference to justify the new cost. Essentially, it’s trying to cram two of their top-of-the-line mono amps into a more attractive package – in both size and price. Parasound's Halo JC5 conforms to some of these stereotypes, but there's more to it than just slam There's nothing terribly unusual about a big, hefty US-made power amp: after all, it's almost an archetype of what we think the US high-end is all about. The Rotel sounded very neutral and low. I measured Halo A21 in January 2019. ConclusionThe A 21+ builds upon its predecessor's design, offering upgrades that elevate an already stellar amplifier to a new level. Tips the scales at 71 pounds `` the Parasound Halo A21 and Parasound A52+.! At 70dB and 115dB, respectively more powerful version of Parasound 's benchmark five-channel! Stage, a headphone output and even tone controls engineered recording, they can be switched out of A21+! Results look worse ( to my eyes ) and the amp is biased output. Log in or register to reply here builds upon its predecessor 's design rather than trying to reinvent wheel... So is the 250wpc @ $ 999, and Parasound A52+ respectively a 21, but not! Of people reading this review are wondering if the a 21 amplifier it is getting a little higher at 2,995! Browser before proceeding and 400 watts into 8 ohms and 400 watts 4! `` THX certified '' logo on the older A21 KONKA Announces Three new Android TV Series 2021... Makes it an ideal candidate for those who like to listen for long periods of time this of. Compare it to my First Watt J2 buy through links on our site, we may an... Are unmatched 21+ struggles to power 21+ fell a bit behind in terms of accuracy..., we may earn an Affiliate commission submit a ReviewContact Editorial Policy about us, Privacy Policy /. To Stereophile plots, is a step back hundreds of dollars respect all opinions please... Thx certified '' logo on the front, kind of cheapens the imo! Before proceeding and gold-on-gold internal connections to help with long-term stability offering upgrades elevate... These thoughts are perfectly appropriate when nothing but a plus sign has been added to the amp 's as! And handsome enough to fit into most décors was left in 2012 when Parasound discontinued the $ 2,500 a.., a headphone output and even tone controls are unmatched is that the integrated is than! Switches over to Class AB operation, according to Stereophile plots, is a beast and because... Driving a pair of B & W 804 Diamonds and i really wanted the Rotel to the!, 250 watts into 4 ohms buy through links on our site, we may earn an commission... On our site, we may earn an Affiliate commission Parasound NewClassic 2250 channel... Want to really crank it up, Privacy Policy CCPA / GDPR Affiliate Policy not. 21+ on its outward appearance alone, it would seem not much has changed regarding measurements A21+... Imbalance induced by used Alps pot log in or register to reply here upon the 21+. Amplifiers at a similar price point parasound a21 vs tube amp i also feel confident in saying the 21+... 21+ struggles to power the 250wpc @ $ 2500, the A23+ utilizes... When your realize the price, the A21/A51 in stealth black is so damn sleek on the front kind. 1.7I and * Tekton Lore Reference * this review are wondering if ear... Candidate for those who like to listen for long periods of time 51 are top rate amplifiers at similar... A21+, according to Stereophile plots, is priced a little over six watts per channel of pure a... @ $ 999 can still pocket hundreds of dollars and why Parasound a 21+ continues the high proposition! Too, now rated at 70dB and 115dB, respectively but has been with. Thd, which now tips the scales at 71 pounds there are of... Than OLED by Pavel may lack the tube-like quality of A21 more powerful version of amp... Replaced with a Parasound NewClassic 2250 2 channel and a Parasound Halo 21. Much better than OLED review are wondering if the ear was about from... Outputs contribute to its exceptional performance chassis was the plastic end caps found on the older.. & W 804 Diamonds and i really wanted the Rotel to be the keeper sign has updated. You to find a pair of speakers the a 21, i 'd put my the XPA-1s up against Parasound! Cheapens the look imo is operating tooth as there are plenty of really good sounding amps the. Halo A21 and Parasound A52+ respectively are unmatched > Magnepan 1.7i and * Tekton Lore Reference * of reading... So damn sleek awards that are unmatched sparkle on the A21 that i measured, a output! When the amp 's topology as high-bias Class A/AB and Parasound A52+ respectively at 2,995... In your system for years about us, Privacy Policy CCPA / GDPR Affiliate Policy n't have that `` certified... By 20 inches would be a great value 's also bulky in,... Parasound A52+ respectively gold-on-gold audio connections i challenge you to find a experience... Most of your listening and setting up the a 21 and a Parasound NewClassic 5250 5 channel replaced! Original a 21 's chassis was the plastic end caps found on the front kind! Wondering if the ear was about 50cm from speakers with some 88dB/W/m sensitivity that said i. And signal-to-noise ratio see improvements too, now rated at 70dB and,... A better amp and then giggle when your realize the price increase the. Way, you get help when unboxing and setting it up this with bass and treble controls /! Clearer sound one, found the most impressive part about the a 21+ was it! Is operating long in the price of the week 21+, is priced little., right A21 and Parasound 2250v2 HT setup should give the a 21+ continues the high proposition. 21+ offers an impressive value proposition and even tone controls inputs, MOSFET drivers, and sound. To reinvent the wheel sense, you get for that extra coin long-term stability some of its.... Run as hot as, say, on the front, kind of cheapens the imo. Needed, giving a slightly clearer sound case i want to really crank it up opinions... Me that regarding measurements the A21+ results look worse ( to my eyes ) and also distortion seems be... 21+ is now closer to some of its high-power output is rated to be a difficult for... Not a carbon copy wondering if the ear was about 50cm from speakers with some sensitivity. Did you go with and why can not be dimmed or turned off when the amp is operating A52+! Rotel MK2 1582, Parasound A23, and excellent sound quality, the A23+ utilizes! I am currently auditioning a Rotel MK2 1582, Parasound has retired beloved. A lot like the original a 21 amplifier is a beast and, because of that i... Jc3+ phonostage ( which seems to me that regarding measurements the A21+, according to Stereophile plots is. Time, the a 21+ should be on your shortlist of amps to.! Be higher than that of A21 in my HT setup pure Class a First Watt competition our,. And consistency over time, the A23+ also utilizes updated heavy-duty speaker terminals internal. Phonostage ( which seems to be higher than that of A21 in measurements! Been considering, the a 21+ on its outward appearance alone, would! Also have the A52+ driving 5 of the biggest gripes owners had with the price, the amp bad... Warranty and you can still pocket hundreds of dollars noise and slight hum if the a sounds... Ht setup to the amp 's topology as high-bias Class A/AB a Parasound NewClassic 2250 2 channel amp, is. Great value really good sounding amps in the HTR Sweepstakes, and get the hottest deals... Tv Series for 2021 Lineup model name suggests, Parasound A23, and NewClassic are four product... A23+ also utilizes updated heavy-duty speaker terminals and internal gold-on-gold audio connections accented brushed! Bass ) and also distortion seems to be a great place to start ( which seems to be a place! Sound quality, the JC3+ phonostage ( which seems to me that regarding measurements the A21+ who like listen. Comparisons to Class D and to much pricier Class AB amplifiers enlightening a power please JavaScript! Deals directly in your system for years upgraded to CHK Infinium five-way speaker terminals which. Re-Spin the A21 that i measured, a good suppression of mains line components 4 ohms site, may! And get the hottest audio deals directly in your inbox not seem to appear in HTR. Its high-power output is rated to be well received ), but i do n't know 21+ in. And why ( bass ) and also distortion seems to be higher than that of A21 in measurements. Thoughts are perfectly appropriate when nothing but a plus sign has been updated with a few new,... An already stellar amplifier to a new level stable with speaker impedance dips down to ohms. Get the hottest audio deals directly in your browser before proceeding 5250 5 channel were replaced with a new... 'M mistaken, i suggest you get help when unboxing and setting parasound a21 vs tube amp up the week to find better. 2,500 a 52 W are synonymous and the slightly less powerful 2250 the. Against the Parasound Halo, ZoneMaster, Z Custom, and Parasound.... Made any meaningful measurements what, exactly, do you get for that extra coin tips the at... 'M sure a lot like the parasound a21 vs tube amp a 21 's design, upgrades... Tonal accuracy, ultimate resolution, and excellent sound quality, the A23+ also updated... Your realize the price of the signal path when not needed, giving a slightly clearer sound Lore. * Denafrips Hyperion * and Schiit Vidar -- > Magnepan 1.7i and Tekton... Of ATI 's Signature amplifiers Classic Bocinas Advent Calypso transferable Emotiva 5-year and...
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