3V4 Power Amplifier Pentode Tube. Designed for use in the power output stage of compact, battery operated equipment. MFR: RCA, Zenith, Sylvania, Raytheon. SKU: 3V4. New old stock. No longer available for
Two Tube Broadcast Receiver: 1951 | OneTubeRadio.com
3V4 - doctsf.com, base documentaire lampes (tubes)
DL-94 3V4 ELECTRON TUBE DL94
ZALYTRON Brand Tube Corporation - 3V4 Vacuum Tube - New Old Stock | eBay