Fai da te per tubi sottovuoto amplificatori audio 100V/110V/220V/230VAC riduzione rumore buffe

1 Reduce Noise Buffe +Power cable. Output power: 10W + 10W (triode connection) 12W + 12W (ultra-linear connection). Rectifier tube: 5u4gX1. Input impedance: 100k. Input sensitivity: 400mv-2000mv.

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