10PCS (5PCS K214 +5PCS J77 ) 2SK214 2SJ77 TO-220 Field Effect Audio Power Amplifier Pairing Tube Original disassembler
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10PCS (5PCS K214 +5PCS J77 ) 2SK214 2SJ77 TO-220 Field Effect Audio Power Amplifier Pairing Tube Original disassembler