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13:28
YouTube
Mike Freda
How to make a 5670 tube preamp // DIY HiFi single tube linestage
Scratch building a 5670 / 2C51 / 396A single tube preamp (linestage) for a 2 channel HiFi stereo system. Single amplification stage through a high quality Output Transformer. This will also drive a high impedance headphones. (i.e. AKG K240 600ohm) A portion of this circuit was inspired from the Valve Magazine Volume 4 Number 5 1998. The ...
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Jan 1, 2023
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