Designed to be used as an audio amplifier tube New old stock * New In Box * No longer available for export. MFR: General Electric Company SKU: 6189/12AU7WA-JG-GE
Designed to be used as a local oscillator in very high frequency receivers. New old stock * New In Box * No longer available for export. MFR: GE SKU: 6135
Special version of the 12AY7. Made with three pieces of mica, halo getter, and black anode plates. Tested on TV 7 New old stock * No longer available for export. MFR: GE SKU: 6072A-GE-JAN
Special version of the 12AY7. Double mica, halo getter, and black anode plates. Tested on TV 7 New old stock * No longer available for export. MFR: General Electric Company SKU: 6072A-GE