VA balanced tube preamp

Описание к видео VA balanced tube preamp

This is my DIY vacuum tube balanced preamp demo.

Highlights:
Ultra noise-free power supply, tripple-shielded potted toroidal transformer, unbalanced inputs, balanced output, remote control, audio detect, tape/monitor function, switchable gain. Signal path: 4xECC83 + 2x6N6P

Contains Raspberry pi with ES9038q2m DAC hat for dlna audio streaming and airplay.

THD ~0,002% @ 1Vrms

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