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.

Colors Available:
$1.55
Indicator tube with amplifying triode for use as tuning indicator or for modulation control
$14.90
Out of Stock

Electron-ray tuning indicator with triode unit and two indicating sectors of different sensitivity.
$99.90
Out of Stock