HIFI Vacuum Tube Amplifier Board 6J1+LM1875 DIY kit 30W X 2 Double AC 12-18V NEW

2: 6J1 school sound, soft and sweet sound. Features: 6J1 school sound, soft and sweet sound. 1 Power amplifier finished kit. 4: Overheating DC short circuit protection. Channel: 2 channel stereo. Protection feature: overheating DC short circuit protection.

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