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Portaphile 627 Amp

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Portaphile 627 Amp
Description:

The Portaphile 627 uses three Burr Brown OPA627's, one each for the Right-Left-Ground channels. Each opamp is then buffered with two Burr Brown BUF634s per channel for a total of 6 buffers. This allows the opamp to work efficiently at powering your headphones regardless of being large high impedance headphones or small low impedance current hungry earphones. The OPA627 is widely considered to be the best opamp for audio applications and is the reason I built the new Portaphile around this high end opamp.

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