Kit de placa preamplificadora de tubo HiFi ARC SP-10 6922 + kit de placa de fuente de alimentación

Preamp tube model： 6922 x 4. HiFi audio resistors components. ARC SP-10 preamp board kit x 1（PCB+Resistance+Tube Seat ）. Preamp board pcb size：210 x 175mm.

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