1pc We274a 80 5z3(top) To 5u4g 5z4 274b(bottom) Tube 4pins To 8pins Diy Audio Vacuum Tube Adapter Socket Converter Amplifier Diy - Home Theater Amplifiers - AliExpress
7A8 Octode Converter Tube. Designed to perform the combined functions of the oscillator and mixer in superheterodyne receivers. MFR: Sylvania. SKU: 7A8. New old stock. No longer available for export.
Amazon.com: 170V DC High Voltage Power Supply Module Boost Converter for Vacuum Tube, Nixie Tube Clock, Magic Eye 6E2 Level Indicator 10V-24V DC Input, 90V-250V DC Output (Blue) : Electronics
Mods
Tube Converter: An Open Source Tool to Download YouTube Videos
VACUUM CONVERTER SOCKET ADAPTER 8pin to 4pin 4pin to 8pin Tin plated for 5Z3 to 274B Vacuum tube HiFi Guitar audio amplifier 1PC
Ambition Mods Converter | 18650/18350 SBS & 50W Tube Mod - YouTube
Yellow Jackets YJShort Std – Motor City Guitar
Using the TubeConverter Featurescript | Onshape4FRC