12BF6 Duplex-Diode Medium Mu Triode Tube. Designed to operate as a low mu voltage amplifier and a detector diode. MFR: Raytheon, RCA. SKU: 12BF6. New old stock. No longer available for export.
Sound Projects Model R200B Tube Guitar Amp – Starr's Guitars
12BF6 Tube Various USA Brand Tube 6BF6 12SR7 14E6 NEW | eBay
NOS GE 12BF6 Vacuum Tube - White box - Tested | eBay
12BF6 Duplex-Diode Medium Mu Triode Tube. Designed to operate as a low mu voltage amplifier and a detector diode. MFR: Raytheon, RCA. SKU: 12BF6. New old stock. No longer available for export.
One Excellent GE 12BF6 Tube NOS NIB Nice Box Strong Triodes Good Diodes TV-7のeBay公認海外通販|セカイモン
12BF6 Tube Various USA Brand Tube 6BF6 12SR7 14E6 NEW | eBay