6n1/6N2/6N8P tube preamplifier catena Amplifier board Audio isolation transformer 30W output single AC 230V/80mA single 6.3V/2A

6n1/6N2/6N8P tube preamplifier catena Amplifier board Audio isolation transformer 30W output single AC 230V/80mA single 6.3V/2A
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sku: 4000129402506
$15.80+25%
$19.80
Shipping from: China
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