![]() ![]() "In measuring the AHB2 and attempting to confirm its specified very high signal/noise ratio, JA observed nonlinearities in his testing equipment that "haven't affected the measured performance of other amplifiers I've tested, but they were detectable with the AHB2's very low intrinsic distortion and noise." His conclusion: "an extraordinary amplifier. AHB2 - Stereophile Class-A Recommended Component. Knowing the company's reputation and having owned its products in the past, I was definitely. "In his listening tests, KR discovered "much more apparent low-level detail in already-familiar recordings"-a characteristic he credited to the Benchmark's evident noiselessness-and a tonal balance that "sounded more 'right' than any of. Benchmark clearly states that the AHB2 represents a 'radical approach' to power amplification. 'The AHB2 easily outperforms the DIY Hypex NC400 I had tested before which used to be the best amp I had tested.' 'THD+N versus output level looks far cleaner than anything I have tested before. ![]() Wyred 4 Sound is more affordable and efficient, but I've read that all class-D amps have issues with high frequency attenuation, sounding rolled off. I have read very good things about that amp and am very happy with the A51 I am using for home theater. "The AHB2 makes use of THX Corporation's Achromatic Audio Amplifier (AAA) technology, in which a low-power feed-forward amplifier drives a low-bias class-AB output section, the latter energized by a system of class-H power-supply rails that deliver power in response to demand-resulting in an extremely efficient amplifier capable of robust power output." Benchmark AHB2 amp First choice is Parasound Halo A21. AHB2 - Stereophile Class-A Recommended Component ![]()
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