Vacuum Tubes

The first electronic amplification of sound was done with Vacuum Tubes. We have pre-amp, power and rectifier vacuum tubes among other types in New Old Stock from the golden era of American & European manufacturing as well as current production tubes from today.
Vacuum Tube - 6FG6 / EM84, Indicator, Tuning
Indicator tube with amplifying triode for use as tuning indicator or for modulation control
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Vacuum Tube - 6BR5 / EM80, Indicator
Electron-ray tuning indicator
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Vacuum Tube - 6CD7 / EM34, Indicator, Tuning
Electron-ray tuning indicator with triode unit and two indicating sectors of different sensitivity.
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Vacuum Tube - 6HU6 / EM87, Indicator, Tuning
New-Old-Stock (NOS) tube. Tuning indicator tube
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