RCA 6FM7 Válvula de tubo de vacío NOS NIB - Etsy México
GE 6FM7 Vintage Electron Tube NOS | eBay
NOS RCA Electronic Vacuum Tube 6FM7 Vintage Tested Good Electron Radio TV | eBay
1 X 6FM7 GENERAL ELECTRIC TUBE. NOS. CB208
Tokyo Metropolitan Life, Tube Audio and ROVER 75
GE 6FM7 Vacuum Tube - Etsy
VinylSavor: Tube of the Month : The 6FM7
VinylSavor: Tube of the Month : The 6FM7
6FM7 - SYLVANIA - TUBE IN BOX | eBay
VinylSavor: Tube of the Month : The 6FM7
Tubo de vacío Sylvania 6FM7 - Etsy España
6FM7 Dissimilar Double Triode Tube. Designed as a combined vertical-deflection oscillator and amplifier in television receivers. MFR: Sylvania. SKU: 6FJ7. New old stock. No longer available for export.