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 Benchmark AHB2 $2995 A very low-distortion, 100Wpc solid-state amplifier that is virtually flawless when driving stable loads within its somewhat narrow power limits. We like the simple button layout, but it doesnât feel luxurious. We move to Tchaikovskyâs 1812 Overture and the Halo sounds right at home. Connecting various digital sources reveals the built-in DAC to be a good one. Parasoundâs approach with its Halo Integrated is unusual, and refreshingly accommodating. The Haloâs appearance splits opinion among our test team â some thinking the LEDs on the front panel a touch overdone, others not liking the control layout â but thereâs no denying the solidity of the casework, or the care taken in the finish. NAD Masters M22 $2999 The partner to the excellent M12 preamp/DAC, the M22 is a 250Wpc hybrid Class D amplifier that uses the latest nCore amp technology licensed from Hypex. Rogue Audio Hydra $2995 Rogue Audio has got something with this hybrid, âtubeDâ stereo amp. The way he saw it, the fact that the Odyssey Stratos monoblocks could give even a picky listener like him pause made them super-amps in their own right. Daily digest of Parasound Amplifier Reviews by Critics from around the web. Hi-Fi News December 2018. It goes deep, exploring more of the dynamic contrasts and harmonic complexities that define the timbre of a bass drum or skin of a tympani or the drumhead of a tom-tom. A perennial overachiever, […]. Call for Price: Enquire on Product. Yet they still have that wonderful tube magic. Audio by Van Alstine Ultravalve $1599 The 35Wpc Ultravalve is a thoroughly modern and rationally priced vacuum-tube amplifier. The pricier, but far less well equipped, Naim SuperNait 2 shows more in the way of momentum and reveals subtle pace changes more easily, but the Halo does well enough to hold our interest. Yes, you can buy better. Parasound Halo A21 $2495 An excellent Class AB stereo transistor amp, designed by the redoubtable John Curl, capable of 250Wpc into 8 ohms (400 into 4 ohms). And despite what the purists say, on occasion, for example when playing a poorly engineered recording, they can be useful. While its perspective is not as romantic as that of its âgodmother,â the Dynaco Stereo 70, it is far better focused, clearly more dynamic, and in general a higher-resolution device. Unusually, this also features a (high pass) crossover that can be switched into circuit. The power supply and power amplifier are arranged in a dual-mono configuration to aid stereo imaging. Thatâs a lot of grunt, certainly enough to get good volume levels from just about any speaker this amplifier is likely to be partnered with. Positive Feedback January 2019. 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 … Wilson Audio Specialties Chronosonic XVX Loudspeaker, Subsonic Subwoofer, and ActivXO Crossover, Schiit Audio Modius DAC and Magnius Preamplifier/Headphone Amplifier, Rocky Mountain Audio Fest 2019 : Loudspeaker, Rocky Mountain Audio Fest 2019 : Digital Electronics, An Interview with John Bring of Cable Support Plate, The Absolute Soundâs High-End Audio Hall of Fame | 2020 Inductees, Lauren Daigleâs Grammy Award Winning Album âLook Up Childâ to be released December 11 in 45RPM LP Format, The Absolute Soundâs Buyerâs Guide to Electronics 2017, The Absolute Soundâs Top Picks in High-End Audio and Music 2017, The Absolute Soundâs Buyer's Guide to Affordable High-End Audio 2017, Hank Williams: Pictures from Lifeâs Other Side. 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