Monday, March 21

Audio-Technica’s valve headphone amp makes any pair of cans sound awesome

(credit: Andrew Williams)

Headphone amps are usually pretty simple things. You get an input or two on the back, a headphone input on the front, and a volume knob. That's all you really need, particularly if you're not looking for one with a dedicated DAC (digital-to-analogue converter).

The Audio-Technica AT-HA5050H, which gets bonus points for sounding like an awesome website that we all know and love, is well beyond the curve. Far from being just ready for so-called "high-res" audio and expensive headphones, it's an amp that can satisfy those with headphone collections valued at more than a London flat deposit, provided you're willing to fork over a cool £3,500 (MSRP $6,000) to buy one. And that's only if you manage to find one in stock at all—the unit I looked at was apparently the only one in the UK at the time.

The AT-HA5050H is a headphone amp that assumes you have good knowledge of how headphones work, that you know about impedance, and that you know about the difference between a DSD audio file—that's Direct Stream Digital, the format used by Super Audio CDs that stores audio at a 2.8224MHz sampling rate—and a "normal" one.

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