HiFi Vacuum Tube Amplifier Class AB Push-pull Stereo Audio Amp DIY Kit ...
Choosing 6F2 and 6P1 vacuum tube, adopting full bridge rectification, and de-pentode 6F2 vacuum tube as pentode to pre-stage amplify, de as reverse phase to push 6P1. The sound quality is pure and warm, full and mellow, delicate and sweet. Adopting push-pull circuit, output power reaches 12W+12W and has good control to the speakers.
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