HiFi 300B Valve Tube Power Amplifier Board Stereo Audio Amp Module DIY KIT 7W*2

1. Reasonable layout circuit to reproduce classic style of 300B tube amplifier. 2. 2.0mm thick high quality immersion gold / slicker solder blue printed circuit board (185.4 * 286.2mm). 3. Ultra-low noise layout traces, almost no noise. High thermal design to ensure stable operation for a long time even if in a closed chassis.

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