nos 6sn7 gtb philips perfect matched triodes black plates smooth micas

nos 6sn7 gtb philips perfect matched triodes black plates smooth micas

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NOS RCA 6SN7GTB Coin Base - Digitally Tested

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Sylvania 6SN7GTB Chrome Top V Black Plate Vacuum Tube Hickok Tested NOS 👑

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2 NOS NIB Matched GE 6SN7GTB Black Plate Tubes USA 1970

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KEN-RAD 6SN7GT VT-231 Pair Preamp Tubes Test NOS

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2 NOS Sylvania 6SN7GTB Audio,Amp Tubes Matching Pair Chrome Top,Black Plates

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2 NOS NIB Matched RCA 6SN7GTB Black Plate Tubes USA 1963

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matched Pair 6sn7 NOS 53’ Sylvania JAN CHS 6SN7WGT Black Plates Brown Base GB

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Tung-Sol 6SN7GT Tube Mouse Ear/ Black Plates, Bottom DGetter Tested 50% NOS

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(2) Tung Sol JAN-CTL-6SN7WGTA Twin Triodes Test NOS! Tall Bottle! Chrome Tops!

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NOS NIB TUNG-SOL 6SN7GTB Tall Glass D Getter Low Noise Matching Date Pair Tubes

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