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(2) 6X8A Vacuum Tube Tested Good Audio Video TV Radio Electron Electronics

Vintage Tested Good CBS 6SN7GTB Amplifier Radio Audio Vacuum Tube Black Plate

Vtg RCA 6AC7 Audio Electronic Radio TV Valve HAM Vacuum Tube Tested Good

6J6 RCA 676A Unbranded Vacuum Tube Audio Video TV Consumer Electronic Test Good

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Vintage Tested Good Amperex 6SN7GT Amplifier Radio Audio Vacuum Tube Black Plate

Vintage 6SN7GT Sylvania radio audio amplifier vacuum tube tv-7d/u tested good