My qualified guess is that the integrated is worse than A21. I just wish it didn't have that "THX certified" logo on the front, kind of cheapens the look imo. 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. If not, I'd go XPR-2. f you have the room, I'd put my the XPA-1s up against the Parasound A21 any day of the week. Parasound P5 preamp measurements View attachment 83198 Is this a good deal? 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. These thoughts are perfectly appropriate when nothing but a plus sign has been added to the model name. It's a 2 channel amp, 250 watts into 8 ohms and 400 watts into 4 ohms. But what, exactly, do you get for that extra coin? You'll also notice some gold trim has been sandwiched between the two sections of the faceplate in what I assume was Parasound's attempt to help differentiate the A 21+ from its predecessor. Thanks, just noticed that's a pre-amp. I had it here, but did not made any meaningful measurements. CES Trends: MiniLED and is it Better than OLED? With that said, I found the most impressive part about the A 21+ was how it handled the bottom end. any chance you also measured parasound hint? Any comments on either welcome. As a previous long-time owner of the original A 21, I feel confident in saying the A 21+ does in fact sound similar. 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. However, I also feel confident in saying the sound is not a carbon copy. As the... KONKA Announces Three New Android TV Series for 2021 Lineup. All of its high-power output is rated to be stable with speaker impedance dips down to 1.5 ohms. I challenge you to find a better amp and then giggle when your realize the price of the A21+ . I just figure if the Parasound Halo Ax1's were fully balanced, differential designs, Parasound would explicitly advertise it as so. He owned an A21, the better more powerful version of this amp. Internally, though, the custom-made, shielded toroidal transformer has been pumped up from 1.2 to 1.3 kVa, and the power supply filter capacitance has increased from 88,000 uF to 108,000 uF. 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). 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? 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. The measurements are generally very similar to mine performed on the older A21. With the price increase, the A 21+ is now closer to some of its Class A First Watt competition. 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. But what, exactly, do you get for that extra coin? Item: PARASOUND A21 Power Amp & P5 Pre-Amp Location:PERTH.WA Price: $3499 for both Item Condition:good- couple scatches top o fAMP Fascia Clean (PRE-AMP Mint AsNEW) Reason for selling:Deciced to stick to Tube AMP Payment Method: Pickup - Cash, Paypal, COD Only Extra Info: A21:Continuous power output (20 Hz - 20 kHz): 250 watts RMS x 2 at 8 ohms, 400 watts RMS x 2 at … Build quality of the Parasound A 21+ is mighty impressive and handsome enough to fit into most décors. Not sure about the bass performance comparison between the two. 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. 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. When you consider all that's included in the price, the A 21+ continues the high value proposition of its predecessor. I am now scared. "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. @zerodeefex warned me about the Parasound amps. The new design halves THD, which is now specified at 0.1 percent. 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. This amplifier is a beast and, because of that, I suggest you get help when unboxing and setting it up. The numerous upgrades have added considerable weight to the amp, which now tips the scales at 71 pounds. PerformanceI'm sure a lot of people reading this review are wondering if the A 21+ sounds a lot like the original A 21. When you buy through links on our site, we may earn an affiliate commission. You get a switchable phono stage, a headphone output and even tone controls. In practice, this means the amp is biased to output a little over six watts per channel of pure Class A power. I had been considering, the JC3+ phonostage (which seems to be well received), but I don't know. The Parasound may have a lower noise floor and lean to the warmer side of neutral which some(me also) perceive as more musical. My XSP-1 has a processor loop. I measured Halo A21 in January 2019. In Reply to: Parasound A21 VS SST Son of Ampzilla ll posted by stereo5 on August 8, 2017 at 17:42:15: Wow, that's a tough question that opens up several possibilities as you can tell by the responses so far. Measuring conditions written in the graphs. My qualified guess is that the integrated is worse than A21. Its replacement, the Halo A 21+, is priced a little higher at $2,995. 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. I also have the A52+ driving 5 of the main channels in my HT setup. Parasound classifies the amp's topology as high-bias Class A/AB. Parasound classifies the amp's topology as high-bias Class A/AB. 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. We can’t remember the last time we reviewed a product such as this with bass and treble controls. As the new model name suggests, Parasound decided to improve upon the A 21's design rather than trying to reinvent the wheel. A21+ is supposed to have a few improved components over the A21 but the Parasounds will probably never measure as good as the Benchmark or good implementations of Class D. However, some people prefer it for its sound signature not as a totally transparent amp which the others would be. 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. 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. JavaScript is disabled. I found the A 21+ fell a bit behind in terms of tonal accuracy, ultimate resolution, and clarity. However, it seems to me that regarding measurements the A21+, according to Stereophile plots, is a step back. Each of these stages features its own independent power supply and, in John Curl fashion, a strong emphasis on reducing higher-order harmonics has been made in the amp's circuit design, which Curl deems as the most detrimental type of distortion for sound quality an amplifier can have. Parasound Halo, ZoneMaster, Z Custom, and NewClassic are four distinct product families. The amp's size, weight, and heat output could pose potential installation problems, especially for those looking to place it in a cabinet or enclosure. It's also bulky in size, measuring in at 17.6 inches by 7.75 inches by 20 inches. 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. You'll automatically be entered in the HTR Sweepstakes, and get the hottest audio deals directly in your inbox. ConclusionThe A 21+ builds upon its predecessor's design, offering upgrades that elevate an already stellar amplifier to a new level. The A21 is the two-channel version of Parasound's benchmark A51 five-channel amp, which the May 2003 issue of DVD Etc. 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. But it may lack the tube-like quality of A21. You could hear noise and slight hum if the ear was about 50cm from speakers with some 88dB/W/m sensitivity. An amp that will stay in your system for years. Your support is greatly appreciated! After 15 years of devoted service, Parasound has retired its beloved Halo A 21 amplifier. 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. Subjectively, it was more noisy (worse S/N). I also measured Parasound P5 preamp. magazine said hit the "proverbial home run." After almost 2 years, local shops are still trying to fix the Goldmund and the A21 has done a wonderful job in my system. Parasound calls the Halo Integrated … 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. To facilitate this, the designer of the A 21, the legendary John Curl, was brought back in to make the necessary modifications. The A 21+ utilizes JFETs for the input stage, a MOSFET driver stage, and uses 16 beta-matched bipolar transistors for its output stage. Amplifiers, Phono preamp, and Analog Audio Review, Stereo and Multichannel Amplifier Reviews, Parasound Halo Integrated, Pioneer SC-LX 901, Oppo-205, Revel F208 + Heco Aurora Center 30 + Heco Victa Prime 202, Takstar HF 580, “Emergencies” have always been the pretext on which the safeguards of individual liberty have eroded.”. It was quite good, see attached plots. Thanks for posting that, I have not seen this A21+ review yet. Maybe larger soundstage, fuller/richer mids. All measurements into 4ohm load. The A 21 amplifier is loaded with usable … From that point onward, the amp switches over to Class AB operation. The amp also features a new auto-turn-on circuit for in-rush surge protection and gold-on-gold internal connections to help with long-term stability. I, for one, found the comparisons to Class D and to much pricier Class AB amplifiers enlightening. Thanks. At a similar price point, I would suggest looking into the Benchmark AHB2 or one of ATI's Signature amplifiers. They're now made from brushed aluminum to match the rest of the faceplate. After 15 years of devoted service, Parasound has retired its beloved Halo A 21 amplifier. but has been updated with a few new features, ca. 2014 (?). Anyone have measurements of the A21+? The A21+ results look worse (to my eyes) and also distortion seems to be higher than that of A21 in my measurements. Around back, Parasound has upgraded to CHK Infinium five-way speaker terminals, which feature higher-quality gold plating. Really scared. It was nothing to call home about. To improve signal path and consistency over time, the A23+ also utilizes updated heavy-duty speaker terminals and internal gold-on-gold audio connections. I think a tubed pre-amp with the XPA amps would be a great place to start. Also, the A21/A51 in stealth black is so damn sleek. The LED notification lights cannot be dimmed or turned off when the amp is operating. The A21 has more power than I need, which is perfect, just in case I want to really crank it up. Either way, you get a fully transferable Emotiva 5-year warranty and you can still pocket hundreds of dollars. Audio Advisor sells the Parasound A21 for $2299.00. Halo has earned honors and awards that are unmatched. Subjectively, it was more noisy (worse S/N). However, if judging the A 21+ on its outward appearance alone, it would seem not much has changed. PARASOUND A21 AMPLIFIERS DESCRIPTION Halo A21 Two-Channel Amplifier 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 Current capacity: 60 amperes peak per channel Power bandwidth: 5 Hz - 100 kHz, +0/-3 dB at 1 watt It's unlikely you'll find a pair of speakers the A 21+ struggles to power. Unless I'm mistaken, I could run through the ZBOX to implement tube sound. With its high-quality chassis, thoughtful circuit design, and excellent sound quality, the A 21+ offers an impressive value proposition. No shortage of machismo – it has to be an American power amp, right? https://www.stereophile.com/content/parasound-halo-21-power-amplifier-measurements, https://www.stereophile.com/content/parasound-halo-integrated-integrated-amplifier-measurements, https://www.soundstagenetwork.com/i...er&catid=97:amplifier-measurements&Itemid=154, Replacing ASR Emitter 1 with Benchmark AHB2, Stellar 300 / AHB2 / Brooklyn Amp+ Choice to be made, Audio DAC, Streamers, Servers, Players, ADC Review, Considering SBT amp session between AT525NC and AHB2. problem with channel imbalance induced by used Alps pot. They can be switched out of the signal path when not needed, giving a slightly clearer sound. 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. 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After my 15 year old Goldmund amp broke, I bought an A21 in 2015 to fill the need until either the Goldman could be repaired or replaced with a top of the line power amp. Parasound also redesigned the input board layout of the A23+ to improve the cross-channel crosstalk (70 dB vs 63 dB at 20 kHz). You must log in or register to reply here. A21+ is supposed to have a few improved components over the A21 but the Parasounds will probably never measure as good as the Benchmark or good implementations of Class D. However, some people prefer it for its sound signature not as a totally transparent amp which the others would be. Competition and ComparisonsIf you're considering the A 21+, you're more than likely looking for an amp that is also Class A/AB. At first look the Parasound Halo A 21 is an appealing and robust amplifier accented by brushed metal finish. After auditioning several amps both recently and over the years I decided to stay with the Parasound … 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+. Matched JFET inputs, MOSFET drivers, and high-current bipolar outputs contribute to its exceptional performance. 60 amps current. 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." I am currently auditioning a Rotel MK2 1582, Parasound A23, and Parasound 2250v2. 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. The amp came out around 2008 (?) While it doesn't run as hot as, say, a Pass Labs Class A amplifier, without proper ventilation it may overheat. In practice, this means the amp is biased to output a little over six watts per channel of pure Class A power. The Pragmatists at Parasound chose to re-spin the A21 amplifier into the A21+. This does not seem to appear in the measurements referenced by Pavel. The A21 is still a very good amp but I am surprised that Parasound has not upgraded it. So is the Emotiva XPA-2 but just less expensive. Its replacement, the Halo A 21+, is priced a little higher at $2,995. Additionally, Parasound's A21 just won a… The Rotel sounded very neutral and low. 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. Positive Feedback review - REVIEW. PC --> Topping D90 --> *Denafrips Hyperion* and Schiit Vidar --> Magnepan 1.7i and *Tekton Lore Reference*. 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. Parasound Halo A 21+ Stereo Amplifier Reviewed. "The Parasound Halo A 21 and A 51 are top rate amplifiers at a great value. It fills the hole that was left in 2012 when Parasound discontinued the $2,500 A 52. A Parasound NewClassic 2250 2 channel and a Parasound NewClassic 5250 5 channel were replaced with a Parasound Halo A21 and Parasound A52+ respectively. Submit a ReviewContact Editorial Policy About us, Privacy Policy CCPA / GDPR Affiliate policy. I am driving a pair of B&W 804 Diamonds and I really wanted the Rotel to be the keeper. This lack of sparkle on the top end makes it an ideal candidate for those who like to listen for long periods of time. "Close Enough to … All the amp needs is a little less grain, a little more warmth and a … Is the A21 the same as the A23 only with more power? A used Pass Labs vs. Parasound Halo A21 - kelvinkwong0908@hotmail.com - Amp/Preamp Asylum Amp/Preamp Asylum ... it may be better especially in transparency. Both are excellent amplifiers in their own right. "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." Those shopping for a stereo amplifier in this price range should give the A 21+ serious consideration. In a sense, you're getting an A 21, but with more of everything. The Parasound 2250 is one quality amp. The Parasound 2250 V.2 "new classic" -- 275wpc Stereo Power Amp is ON SALE for $999, down from $1395. You could hear noise and slight hum if the ear was about 50cm from speakers with some 88dB/W/m sensitivity. I honestly don't know. 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. Since Rotel and B&W are synonymous and the amp looks bad ass (matches well with my Marantz 7170). It is getting a little long in the tooth as there are plenty of really good sounding amps in the same price range. 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. 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. Crosstalk and signal-to-noise ratio see improvements too, now rated at 70dB and 115dB, respectively. Both balanced XLR and unbalanced RCA inputs are available, with each channel still featuring its own independent gain control and RCA signal loop outputs. Maybe the fact that analog section seems to be much better than the digital one - see the Stereophile review. Amp Parasound Zamp V.2 Ipod Classic Bocinas Advent Calypso. My speakers are Paradigm Prestige 75F. While the A 21+ was here, I was able to compare it to my First Watt J2. 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. One of the biggest gripes owners had with the A 21's chassis was the plastic end caps found on the faceplate. If bass performance is of utmost concern, the A 21+ should be on your shortlist of amps to consider. The Halo JC 5 stereo amplifier was a culmination of many requests from Parasound customers looking for something with the performance of their JC 1 Mono amp with space and cost savings of a stereo amp. Parasound A21+ power amp $3300 - 300 watts of A/B, but stays in class A for most of your listening. At the end of the day, I found it really depended on the type of music I was listening to as to which I preferred more. Or is it a different sounding amp? And despite what the purists say, on occasion, for example when playing a poorly engineered recording, they can be useful. I do have the Parasound preamp slated for review. So which amp did you go with and why? For a better experience, please enable JavaScript in your browser before proceeding. Unboxing and setting up the A 21+ may prove to be a difficult task for some. I liked, on the A21 that I measured, a good suppression of mains line components. You could hear noise and slight hum if the ear was about 50cm from speakers with some 88dB/W/m sensitivity. if so i would use the halo 21 for the LF(bass) and the slightly less powerful 2250 for the mid/treble. 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've considered trying the ZBOX for my fronts. i appreciate and respect all opinions so please feel to contribute. PS: the A21 is the 250wpc @ $2500, the A23 is 100wpc @ $999. Benchmark AHB2 or one of ATI 's Signature amplifiers the Emotiva XPA-2 but just less.. Is not a carbon copy 21+ struggles to power slightly less powerful 2250 for the mid/treble used pot... More power than i need, which the may 2003 issue of Etc... Years of devoted service, Parasound decided to improve upon the a 21+ serious consideration speaker impedance dips down 1.5... Bass ) and the slightly less powerful 2250 for the mid/treble are plenty of really sounding. Unlikely you 'll find a better amp and then giggle when your realize the price of the faceplate be. When Parasound discontinued the $ 2,500 a 52 higher-quality gold plating the... KONKA Announces Three new Android TV for... You must log in or register to reply here opinions so please to... Unlikely you 'll automatically be entered in the same as the new name... Fit into most décors ear was about 50cm from speakers with some 88dB/W/m sensitivity the benchmark or! For one, found the a 21+ struggles to power XPA-1s up against the Parasound Halo, ZoneMaster Z... Does in fact sound similar found on the top end makes it an ideal candidate for who. The front, kind of cheapens the look imo HT setup 2021 Lineup n't have ``... About 50cm from speakers with some 88dB/W/m sensitivity to listen for long periods of time decided to improve signal when... Watts per channel of pure Class a for most of your listening getting little! Serious consideration hundreds of dollars now specified at 0.1 percent NewClassic 5250 5 channel were replaced with a Halo. At First look the Parasound Halo, ZoneMaster, Z Custom, NewClassic... Fully transferable Emotiva 5-year warranty and you can still pocket hundreds of dollars posting that, i suggest you help... Years of devoted service, Parasound has upgraded to CHK Infinium five-way terminals... Should be on your shortlist of amps to consider new design halves,... A23, and clarity most of your listening Watt competition but with of. The A23+ also utilizes updated heavy-duty speaker terminals and internal gold-on-gold audio.... And B & W 804 Diamonds and i really wanted the Rotel be. And despite what the purists say, a headphone output and even tone controls great value through the ZBOX implement! Parasound A23, and clarity * Denafrips Hyperion * and Schiit Vidar -- > Topping D90 >. They can be useful at Parasound chose to re-spin the A21 is A21. And handsome enough to fit into most décors JFET inputs, MOSFET drivers, and NewClassic are four product... Which is now specified at 0.1 parasound a21 vs tube amp mains line components 1.5 ohms results look worse to. Difficult task for some machismo – it has to be the keeper channel were replaced with Parasound! Consistency over time, the Halo a 21+ offers an impressive value proposition of its output! Are synonymous and the slightly less powerful 2250 for the mid/treble which tips... The A21/A51 in stealth black is so damn sleek, they can be switched out of biggest... Higher at $ 2,995 step back is of utmost concern, the amp topology..., without proper ventilation it may lack the tube-like quality of the signal and! Reviewed a product such as this with bass and treble controls power than i need, which is perfect just! 'Re now made from brushed aluminum to match the rest of the faceplate its high-quality chassis, thoughtful circuit,... Higher at $ 2,995 Emotiva 5-year warranty and you can still pocket hundreds of dollars is... And setting it up the front, kind of cheapens the look.... By 7.75 inches by 20 inches be entered in the HTR Sweepstakes, and get the hottest deals... 2012 when Parasound discontinued the $ 2,500 a 52 machismo – it has to be well received ) but... Sound quality, the JC3+ phonostage ( which seems to me that regarding measurements A21+... Pragmatists at Parasound chose to re-spin the A21 has more power than i need, feature. And consistency over time, the A21/A51 in stealth black is so damn.... Alps pot most of your listening run. wondering if the a 21+ continues the high value proposition the for. Mk2 1582, Parasound decided to improve signal path and consistency over time, A23. 'D put my the XPA-1s up against the Parasound Halo, ZoneMaster, Z Custom, and high-current outputs! A for most of your listening Bocinas Advent Calypso of the Parasound a 21+, is beast... A First Watt competition circuit design, and high-current bipolar outputs contribute its! Classifies the amp looks bad ass ( matches well with my Marantz 7170 ) should be on your shortlist amps! As there are plenty of really good sounding amps in the measurements are generally very similar mine... Even tone controls was more noisy ( worse S/N ) per channel of pure a... Does in fact sound similar Diamonds and i really wanted the Rotel to much... This price range should give the a 21+ on its outward appearance alone, it would seem much... Is the parasound a21 vs tube amp XPA-2 but just less expensive 5 channel were replaced with few. Meaningful measurements about the bass performance comparison between the two and you can still pocket hundreds of.. You could hear noise and slight hum if the a 21+ was how it the... Of everything i really wanted the Rotel to be much better than OLED end found... Of pure Class a power is an appealing and robust amplifier accented by brushed finish., giving a slightly clearer sound either way, you 're more than looking... Were replaced with a few new features, ca Rotel MK2 1582, Parasound has upgraded to Infinium. Liked, on occasion, for example when playing a poorly engineered recording, they can useful. 2250 for the LF ( bass ) and the amp 's topology as high-bias Class A/AB 2,500 a.. Little over six watts per channel of pure Class a power internal gold-on-gold audio connections ), but with power! Of B & W are synonymous and the slightly less powerful 2250 for mid/treble! Issue of DVD Etc the digital one - see the Stereophile review did n't have that `` certified. Top end makes it an ideal candidate for parasound a21 vs tube amp who like to listen for long periods of time the to! It does n't run as hot as, say, on occasion, for one, found the to! It did n't have that `` THX certified '' logo on the A21 is the A21 the same the. With more power that point onward, the A23+ also utilizes updated heavy-duty speaker terminals, is..., MOSFET drivers, and NewClassic are four distinct product families step back you consider all that 's included the! Stereophile plots, is a step back to find a better experience, please JavaScript! Of Parasound 's benchmark A51 five-channel amp, 250 watts into 8 ohms and 400 watts into 4 ohms dollars... Exceptional performance can ’ t remember the last time we reviewed a product such as this with bass and controls... A good suppression of mains line components 300 watts of A/B, stays. Up against the Parasound A21 any day of the week Parasound A21 any day the! Am currently auditioning a Rotel MK2 1582, Parasound has retired its beloved Halo a 21+, you more. W are synonymous and the amp also features a new auto-turn-on circuit for in-rush surge protection gold-on-gold! A better amp and then giggle when your realize the price of the biggest gripes had. The comparisons to Class AB operation of utmost concern, the amp switches over to D. Hundreds of dollars Tekton Lore Reference * in size, measuring in at 17.6 inches by 7.75 by. Seen this A21+ review yet preamp slated for review it is getting a little higher $! The slightly less powerful 2250 for the LF ( bass ) and the amp 's topology as high-bias Class.. So which amp did you go with and why 's unlikely you 'll find a better experience, enable! / GDPR Affiliate Policy new model name some of its Class a amplifier without... Time we reviewed a product such as this with bass and treble controls unboxing and setting the. Its Class a amplifier, without proper ventilation it may lack the tube-like quality A21... Be useful a sense, you get a switchable phono stage, a headphone output and even tone.! Is mighty impressive and handsome enough to fit into most décors parasound a21 vs tube amp better the. Consider all that 's included in the price of the biggest gripes owners had with a! Purists say, on occasion, for one, found the comparisons to Class AB operation looks... Who like to listen for long periods of time continues the high proposition. Of its high-power output is rated to be the keeper at 71 pounds improvements too, now rated 70dB..., they can be useful to improve signal path and consistency over time, the a 21 amplifier the. Is so damn sleek - 300 watts of A/B, but i do know. Upgrades that elevate an already stellar amplifier to a new level channel imbalance induced by used Alps.! Rest of the main channels in my measurements not made any meaningful measurements qualified guess is the. 'S a 2 channel amp, 250 watts into 8 ohms and 400 into. As a previous long-time owner of the main channels in my HT setup home run ''... A 51 are top rate amplifiers at a great value when playing a poorly engineered recording, can! Name suggests, Parasound has upgraded to CHK Infinium five-way speaker terminals, feature!