![]() ![]() JA's measurements revealed that the Bel Canto easily exceeded its rated output powers of 250Wpc into 8 ohms and 500Wpc into 4 ohms, clipping at 340Wpc into 8 ohms and at 530Wpc into 4 ohms. "I didn't expect to be so completely gobsmacked by the level of clarity and musicality I'm hearing now from the e1X," he concluded. TG commented positively on the e1x's image specificity, low-frequency control, and extremely low background noise. Trickled down from Bel Canto's premium Black line, this slimline, lightweight amplifier uses the well-regarded Ncore class-D modules and a low-noise switch-mode power supply. After trying them with five different loudspeaker models, he wrote, "the Bel Cantos offered up weight, body, punch, and crystalline detail better than some of the most expensive amplifiers I know." (Vol.39 No.10, Vol.40 No.9 WWW) 7s (which Herb had never heard sound "more precise, powerful, or three-dimensional" than with the post-break-in REF600Ms). JA's measurements uncovered a remarkably high (109.9dB) unweighted signal/noise ratio, power outputs higher than the manufacturer's specs, and "impressively low levels of distortion and noise." In a Follow-Up in September 2017, HR reported on his experience with the Bel Canto monoblocks, ostensibly borrowed to drive his current-hungry Magnepan. Of his experience with the REF600Ms driving his Bowers & Wilkins 802 D3 loudspeakers, KR observed that they "never ran out of steam with any sort of music at any listening level, and remained absolutely consistent in tonal balance and clarity." Kal also described the amp's price as "eye-openingly" low. All amplifiers are stereo models, except where designated.īel Canto Design e.One REF600M monoblock: $4990/pair $$$īel Canto's REF600 monoblock is similar in size to their REF1000M, which KR reviewed in the March 2009 issue, but the newer amp trades the older's ICEpower-based class-D output section for the newly ubiquitous Hypex NCore class-D module, which develops 300W into 8 ohms or 600W into 4 ohms-specs identical to those of the MPS1 power-amp section of the Bel Canto Black (described elsewhere in this edition of "Recommended Components"). Except where stated, output powers are not the specified powers but rather those we measured into an 8 ohm resistive load. ![]() Careful auditioning with your own loudspeakers is therefore essential. Nevertheless, even within each subclass, Class A amplifiers differ sufficiently in character that each will shine in an appropriate system. Editor's Note: Because of the disparity between typical tube and solid-state "sounds," we have split Class A for separate power amplifiers into two subclasses.
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