Downloads. Specs. ", - Roger Kanno, SoundStage! Other features include heavy-duty 24k gold-plated 5-way speaker terminals, gold-plated RCA input jacks, and a rear-panel ground lift switch. Parasound uses the Burr-Brown analog resistor ladder. 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. 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 … ", Secrets of Home Theater and High Fidelity The direct-coupled design uses no capacitors or inductors in signal path. Add to that its prodigious power output and rock-solid build quality, and I can assure you: It's the real deal. • 250 watts rms per channel into 8Ω, all channels driven. 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. Samsung Galaxy A31 Android smartphone. The XPA-DR3 specs on paper looks even more powerful than the Parasound A31. The A31 is THX Ultra2-certified as well. The company produces a wide range of amplification and digital audio components. Support. Special relays bypass the AC "soft start" circuitry after it's done its job for the purest AC and the purest sound. 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. "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.". This blend of qualities made it a joy to listen to. We can’t remember the last time we reviewed a product such as this with bass and treble controls. Parasound calls the Halo Integrated … Like other Halo models, the A 31 is solidly built and has a clean, attractive, brushed-aluminum faceplate. Night and day change in authority, speed, detail, clarity, depth, I could go on and on,,,,My system is now becoming something!! The sound was so much fuller, deeper and smoother than the previous lineups of Denon > 78 dB at 1 kHz; You might also want to use the A 31 to power the center channel and two surround channels of your home theater. Now I'm Adjustable gain for up to +6db over THX Reference level. < 0.04 %, Interchannel crosstalk: The surround or back channels can then be powered by a smaller two-channel Parasound power amplifier, such as the Halo A 23. 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. I started with a parasound a31 for the front 3. Continuous power output: Firm and extended bass. Even Halo's implementation of its automatic turn-on feature is exceptional. On the rear panel are three groups of connectors/controls, one per channel, including balanced and unbalanced inputs and gain controls. Reviews. It was purchased several weeks ago, so is basically a NEW amplifier. ", "It’s a fantastic-sounding amp with power to spare. This is the Parasound Halo A31. Unbalanced RCA and balanced XLR inputs. ", "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. ", Stereophile September 2012 "Remarkable definition…clean, luminous sound. • THX Ultra2 certified. All available for free download. And despite what the purists say, on occasion, for example when playing a poorly engineered recording, they can be useful. Additionally, Parasound's A21 just won a… 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. Still, the slightly curved, anodized front panel lends it a degree of flair. Reviews. 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. 1 V for 28.28 V (THX Reference), Input impedance: Save parasound a31 to get e-mail alerts and updates on your eBay Feed. This gives the greatest power to the front channels where it is needed the most. 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. Where it is needed the most with power to spare are three groups of connectors/controls, one channel! 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