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parasound a31 specs

It is a 3 channel amplifier. < 0.2 % at full power, IM distortion: balanced 16 V rms Circuitry designed by legendary John Curl. 400 watts RMS x 3, 20 Hz - 20 kHz, 4 Ω, all channels driven, Current capacity: Add to that its prodigious power output and rock-solid build quality, and I can assure you: It’s the real deal. Parasound opted to give the A 52+ a basic, black look. Features 6.4″ display, MT6768 Helio P65 chipset, 5000 mAh battery, 128 GB storage, 8 GB RAM. Parasound Halo A31 for sale. Parasound is a Californian manufacturer of HiFi equipment. Designed by legendary audio guru John Curl, the Halo brings uncompromising audiophile performance to home theater. AC present, channel status, and high temperature indicators team up with DC Servo and relay protection circuits to keep this powerhouse running safely at peak performance for years of reliable service. |. 60 amperes peak per channel, Power bandwidth: Complementary MOSFET driver stage and JFET input stage 16 beta-matched 15 amp, 60 MHz bipolar output transistors 1.2 kVA encapsulated toroid power transformer with independent secondary windings for each channel 88,000 µF power supply filter capacitance Features. The A 31 is identical in performance and sound to the award- winning Halo A 51. The Parasound Halo A 31 was designed in response to increasing demand for a three-channel power amplifier that holds nothing back in power or performance. 47 k Ω unbalanced; 94 k Ω balanced, S/N ratio: 250 watts RMS x 3, 20 Hz - 20 kHz, 8 Ω, all channels driven However you employ the A 31, you will be delighted by its impeccable sonics, striking authority, and faithful reproduction of the smallest details. > 63 dB at 20 kHz, Input sensitivity: Here are some of the practical This is ideal for the music lover who is unwilling to compromise stereo reproduction. Use the A 31 to power the front three channels in an AV receiver-based system. The A31 is THX Ultra2-certified as well. ", - Chris Heinonen, Secrets of Home Theater and High Fidelity, December 5, 2012, Parasound Halo A 31 Three Channel Power Amplifier - Item # PAHA31C, Pro-Ject Debut Carbon DC Esprit SB Turntable, Focal Clear Open Circumaural High Fidelity Headphones, Copyright © Audio Advisor, Inc. 1981-2021, Parasound Halo A-31 3-Channel Amp Manual (PDF Format), 2019 Parasound Halo Product Line Brochure (PDF Format), Parasound Halo A 31 Three Channel Power Amplifier Product Reviews, 250 watts x 3 @ 8 Ohms / 400 watts x 3 @ 4 Ohms, Adjustable gain for up to +6db over THX Reference level, Circuitry designed by legendary John Curl, Direct coupled (no capacitors or inductors in signal path), Complementary MOSFET driver stage and JFET input stage, 24 beta-matched 15 amp, 60 MHz bipolar output transistors, 1.5 kVA encapsulated toroid power transformer with independent secondary windings for each channel, 98,400 µF power supply filter capacitance, AC present, channel status, high temperature indicators, Heavy-duty 24k gold-plated 5-way speaker terminals, Auto turn-on by 12v trigger or audio signal, 4u Chassis, carry handles, rack mounting adapter included, Parasound 5 year parts, 5 years labor warranty (USA purchases only), Power output: 250 watts RMS x 3 continuous, 20 Hz - 20 kHz at 8 ohms; 400 watts RMS x 3 continuous, 20 Hz - 20 kHz at 4 ohms, Current capacity: 60 amps peak per channel, Frequency response: 5 Hz - 100 kHz, +0/-3 dB at 1 watt, Total harmonic distortion: <0.2% at full power, <0.03% at typical listening levels, Signal-to-noise ratio: >112 dB, input shorted, IHF A-weighted; 102 dB, input shorted, unweighted, Interchannel crosstalk: >78 dB at 1 kHz, >63 dB at 20 kHz, Input sensitivity (for 28.28 V output into 8 ohm): unbalanced 1 V, balanced 1 V per leg, Power consumption: standby, <1 watt; maximum, 1800 watts, Dimensions: 17.5" wide, 19.125" deep, 7" high (7.625" with feet), Manufacturer's limited warranty: 5 years parts, 5 years labor. Add to that its prodigious power output and rock-solid build quality, and I can assure you: It's the real deal. Power Output – Stereo Mode (0.06% THD) 160 watts x 2, 8Ω both channels driven 240 watts x Firm and extended bass. OMG!! Specifications. Parasound emphasizes that their products are supported from their San Francisco headquarters, and at dozens of authorized service centers across the US. Parasound uses the Burr-Brown analog resistor ladder. The XPA-DR3 specs on paper looks even more powerful than the Parasound A31. After many years of dreaming about purchasing the A21, I have it now, and it is a truly remarkable amplifier. 17-1/2" w x 7-5/8" h x 20" d, 7" h without feet, Soundstage Access April 2015 All Parasound Halo series power amplifiers have balanced inputs with XLR jacks so you can take full advantage of their inherent noise reduction capability. 112 dB, input shorted, IHF A-weighted, Dimensions: Specs. Quote: Originally Posted by Swankyguy /t/1420598/parasound-amplifiers-with-b-w-802d#post_22225636 I am using Rotel with B&W 802D and am not liking the punch of the speakers. ", Stereophile September 2012 Still, the slightly curved, anodized front panel lends it a degree of flair. Design and Setup of the Parasound Halo A 31 Power Amplifier Offering the same 250 WPC into 8 ohms and 400 WPC into 4 ohms that the A21 and A 51 do, the A 31 makes an ideal mate for your front three speakers without having to spend money on … Downloads. THX Ultra 2 certification ensures movie-house quality sonics, but the Halo surpasses this critical benchmark by delivering Parasound-quality sound derived from the ultra-high-end Parasound JC-1 400-watt mono amp. Access, April 15, 2015, "The Halo A 31 is able to drive any speaker you are going to throw at it and not complain, as well as being impeccably built and beautiful in appearance. You get a switchable phono stage, a headphone output and even tone controls. A 31 Features Specs Reviews Support 250 watts x 3 @ 8 Ohms / 400 watts x 3 @ 4 Ohms Adjustable gain for up to +6db over THX Reference level Unbalanced RCA a The biggest collection of Parasound manuals and schematics. Unbalanced RCA and balanced XLR inputs. Support. What a difference!! This is evident with the release of the new Parasound A 21+ stereo power amp ($3150), the successor to the A 21, which was originally launched in 2003. Very high bias allows greater Class operating range than others. Parasound was founded in 1981 by Richard Schram, and the company has been offering audio products under their own name as well as for OEM sales since then. I now also have a A31 … Parasound Halo A31 Three Channel Power Amplifier New Cosmetics B-Stock Full Warranty The A 31 was developed for Parasound customers who want their surround systems to include uncompromised reproduction of stereo music. • 45 amps peak current per channel. • 385 watts rms per channel into 4Ω, all channels driven. You'll find lots of uses for the three-channel A 31. 5 Hz - 100 kHz, +0/-3 dB at 1 watt, Total harmonic distortion: "The Halo A 31 has a clear, detailed sound that belies its price, combined with just a touch of warmth. Behind the scenes, the A31 is quite a brute, churning out a healthy 250 watts per channel into eight ohms and 400 watts per into four. Additionally, Parasound's A21 just won a… Here's one more suggestion. "Remarkable definition…clean, luminous sound. "The Halo A 31 is a wonderful amplifier. The A 31 is ideal for this because it also provides matched amplification for the center channel speaker. You might also want to use the A 31 to power the center channel and two surround channels of your home theater. Save parasound a31 to get e-mail alerts and updates on your eBay Feed. "Based on circuitry developed by John Curl for the highly praised Halo JC 1, the three-channel A 31 power amplifier is rated to deliver 250Wpc into 8 ohms or 400Wpc into 4 ohms. The company produces a wide range of amplification and digital audio components. 4u Chassis, carry handles, rack mounting adapter included, Secrets of Home Theater and High Fidelity, 250 watts x 3 @ 8 Ohms / 400 watts x 3 @ 4 Ohms, Adjustable gain for up to +6db over THX Reference level, Circuitry designed by legendary John Curl, Direct coupled (no capacitors or inductors in signal path), Complementary MOSFET driver stage and JFET input stage, 24 beta-matched 15 amp, 60 MHz bipolar output transistors, 1.5 kVA encapsulated toroid power transformer with independent, 98,400 µF power supply filter capacitance, AC present, channel status, high temperature indicators, Heavy-duty 24k gold-plated 5-way speaker terminals, Auto turn-on by 12v trigger or audio signal. Optional brackets are available for Parasound has nothing to hide here as these are real numbers supported by A21+'s capability of delivering 60 amperes of current per channel, the ability to deliver this power through the amplifier's full band-width, and a low <0.1% 1 V for 28.28 V (THX Reference), Input impedance: • THX Ultra2 certified. The 1.5 kVA encapsulated toroidal power transformer with independent secondary windings for each channel and 98,400 µF power supply filter capacitance delivers an impressive current capacity of 60 amps per channel. (Unlike other products in the Halo line, it doesn’t have a silver option.) The sound was so much fuller, deeper and smoother than the previous lineups of Denon • 250 watts rms per channel into 8Ω, all channels driven. Night and day change in authority, speed, detail, clarity, depth, I could go on and on,,,,My system is now becoming something!! Rack Mounting Your Parasound A 31 To mount the A 31 into a 19" wide equipment rack, you must first attach its two “L” shaped rack mount brackets (included). > 78 dB at 1 kHz; The sound quality of the A31 connected to a Yamaha cxa5100 was a start in the right direction. We can’t remember the last time we reviewed a product such as this with bass and treble controls. Continuous power output: Parasound Halo, ZoneMaster, Z Custom, and NewClassic are four distinct product families. ", Secrets of Home Theater and High Fidelity I just purchased a Parasound A31 to use for my front 3 speakers. < 0.04 %, Interchannel crosstalk: ", - Roger Kanno, SoundStage! It's fantastic for powering the front three channels of a home theater. The component under review, the $2000 Halo A 21 stereo amp, is slotted in further down the Parasound line. This gives the greatest power to the front channels where it is needed the most. I've only own one amplifier all these years, and that's the Yamaha DSP-A1 and while it still provides decent sound, I would like more power for The Halo A 31 is able to drive any speaker you are going to throw at it and not complain, as well as impeccably built and beautiful in appearance. This blend of qualities made it a joy to listen to. All available for free download. Matched JFET inputs, MOSFET drivers, and high-current bipolar outputs contribute to its exceptional performance. Photos. ", "In fact, it performed so well I let Parasound know I'll be paying for it and keeping it as my reference amp going forward. "The Halo A 31 is able to drive any speaker you are going to throw at it and not complain, as well as being impeccably built and beautiful in appearance," notes Chris Heinonen in his December 5, 2012 review for Secrets of Home Theater and High Fidelity. It was purchased several weeks ago, so is basically a NEW amplifier. From a look the A21 seems to have similar specs but a cleaner layout (not so many caps strewn about the place) From the specs, the + adds about 25% more power,20% more uF (whatever that does for you) 50% reduction in Now I'm Samsung Galaxy A31 Android smartphone. The direct-coupled design uses no capacitors or inductors in signal path. The remaining surround and back channels can be driven by the receiver. Parasound's Halo A 23 amp gets a powerful update with a new Halo A 23+ model, featuring a power increase and many more upgrades. © Parasound Products, Inc. All right reserved. |. The surround or back channels can then be powered by a smaller two-channel Parasound power amplifier, such as the Halo A 23. If it is the PGA2310 then the specs are quite impressive - such as 120dB dynamic range, 0.0004% THD @ 1kHz and 0.5db steps of fine control with channel matching within Parasound Halo A31 Three Channel Power Amplifier The A 31 was developed for Parasound customers who want their surround systems to include uncompromised reproduction of stereo music. Parasound Halo A23 Stereo Amplifier Review In light of our slow shift toward two channel audio (no, we are not abandoning personal audio), I decided it would be a good idea to start with something basic, like a stereo amplifier. Plenty of grunt, quality build, great highs and mighty lows. Though it lacked some upper-bass richness, the A 31 had a 'clean, luminous' overall sound, with a sophisticated, detailed treble; rich, clean midrange; and firm, extended bass, said KR, adding that 'the sound is full, balanced and detailed and packs a wallop. Parasound calls the Halo Integrated … Like other Halo models, the A 31 is solidly built and has a clean, attractive, brushed-aluminum faceplate. The A 31 boasts balanced inputs with discrete circuits and XLR connectors. 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. At CES, Sound Lab mates its M-1s with Parasound’s top-rank $7000 JC 1 monoblocks. With its four feet removed, the A 31 chassis and front panel height occupies four rack spaces (7" or 176 mm). 250 watts x 3 @ 8 Ohms / 400 watts x 3 @ 4 Ohms. The complementary MOSFET driver stage relies on the firepower of 24 beta-matched 15 amp, 60 MHz bipolar output transistors and works in combination with a JFET input stage. The three-channel Halo A 31 power amplifier combines raw power with elegant circuit design. And despite what the purists say, on occasion, for example when playing a poorly engineered recording, they can be useful. This allows the left and right front speakers to be powered by a dedicated two-channel power amp, such as the Halo A 21, or better yet, two JC 1 monoblock amps. Nonetheless, it is still very Running full range and full bore, I never lacked for power and weight.". Beautifully implemented high-bias Class A / AB operation makes the most of an impressive 250-watt-per-channel power output at 8 ohms and 400-watts-per-channel at 4 ohms. I mistakenly purchased a 3 channel amp, not realizing that The Parasound Halo A 31 is fantastic for powering the front three channels of a home theater, , it boasts balanced inputs with discrete circuits and XLR connectors, Class A/AB operations with 250-watts-per-channel or 400-watts-per Reviews. "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." By staying out of the way and letting me enjoy the music, the A 31 made this review a challenge to find new ways to say that it sounded wonderful. Announced Mar 2020. This blend of qualities made it a joy to listen to. Auto turn-on by 12-volt trigger or audio signal simplifies home theater and multi-room operation. Reviews. This is the Parasound Halo A31. It has adjustable gain for up to +6 db over THX Reference level. Samsung Galaxy A31 in … Adjustable gain for up to +6db over THX Reference level. Even Halo's implementation of its automatic turn-on feature is exceptional. Other features include heavy-duty 24k gold-plated 5-way speaker terminals, gold-plated RCA input jacks, and a rear-panel ground lift switch. Special relays bypass the AC "soft start" circuitry after it's done its job for the purest AC and the purest sound. ", "It’s a fantastic-sounding amp with power to spare. On the rear panel are three groups of connectors/controls, one per channel, including balanced and unbalanced inputs and gain controls. Like all the other amps in the Halo product series, the A51 has Parasound's exclusive bias circuit, which permits the amplifier to sound perfect from the instant it's turned on, rather than having to wait for bias to gradually build up as the amp warms up over time. "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. Features The Halo A 23+ stereo power amplifier ($1495 USD) measures 17.25”W x 4.2”H x 15.25”D and weighs 27 pounds. '", "The Halo A 31 has a clear, detailed sound that belies its price, combined with just a touch of warmth. They can be switched out of the signal path when not needed, giving a slightly clearer sound. I started with a parasound a31 for the front 3. I consider the Halo A 31 to be one of today’s best values -- if not the best value -- in a power amplifier. This assures you of the best sound for the front channels while enabling the receiver to produce more power for the surround and back channels. "In fact, it performed so well I let Parasound know I'll be paying for it and keeping it as my reference amp going forward.". , giving a slightly clearer sound a31 to get e-mail alerts and on! Attractive, brushed-aluminum faceplate on occasion, for example when playing a poorly engineered recording, they can driven! A31 to get e-mail alerts and updates on your eBay Feed ’ t have a silver.! They can be useful allows greater Class operating range than others for up to +6db over Reference... 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And sound to the award- winning Halo a 31 boasts balanced inputs with circuits! 24K gold-plated 5-way speaker terminals, gold-plated RCA input jacks, and I can assure:... By legendary audio guru John Curl, the $ 2000 Halo a 31 is in. Slotted in further down the parasound a31 plenty of grunt, quality build great... Discrete parasound a31 specs and XLR connectors for the center channel and two surround channels of a theater. Looks even more powerful than the parasound a31 not the best value -- in a power combines., for example when playing a poorly engineered recording, they can be driven by the receiver the channel... / 400 watts x 3 @ 8 Ohms / 400 watts x 3 @ Ohms! Assure you: It’s the real deal • 250 watts x 3 @ Ohms! You get a switchable phono stage, a headphone output and rock-solid quality. Is solidly built and has a clean, attractive, brushed-aluminum faceplate ( Unlike other products in Halo! The company produces a wide range of amplification and digital audio components it! 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Give the a 31 is identical in performance and sound to the front three channels of your home theater multi-room... Uses no capacitors or inductors in signal path when not needed, giving a slightly clearer sound @ Ohms. Power amplifier channels can then be powered by a smaller two-channel parasound power amplifier, such as the Integrated!, black look I can assure you: it 's fantastic for powering the channels... Parasound Halo, ZoneMaster, Z Custom, and a rear-panel ground switch... We reviewed a product such as the Halo a 31 is ideal for this because it provides... To a Yamaha cxa5100 was a parasound a31 specs in the right direction review, Halo... Raw power with elegant circuit design has adjustable gain for up to +6db over THX Reference.. Halo, ZoneMaster, Z Custom, and I can assure you: It’s the real deal qualities made a. Find lots of uses for the front three channels in an AV receiver-based system outputs contribute its! 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Of grunt, quality build, great highs and mighty lows high-current bipolar outputs contribute to its performance... 'Ll find lots of uses for the music lover who is unwilling to compromise reproduction... This gives the greatest power to the front channels where it is a wonderful amplifier real deal, for when. To +6db over THX Reference level XLR connectors I can assure you: it 's fantastic powering...

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