Designed to operate as a rectifier with no heater supply voltage. New old stock * No longer available for export. MFR: RCA, GE, Lifetime, Philco, Sylvania SKU: 0Z4
Designed to be used in power supplies of AC/DC battery radio receivers. New old stock * New In Box * No longer available for export. MFR: RCA, GE SKU: 117Z3
Designed to function as a combined mixer and oscillator in automobile radio receivers MFR: GE, RCA, Sylvania SKU: 12AD6 New old stock * No longer available for export.
The 12AU7A is intended for service in radio and television receivers or in Audio amplifiers. The 12AU7A exhibits a lower microphonic output than the 12AU7.
New Old Stock * No longer available for export MFR: General Electric Company SKU: 12AU7A-ECC82-GE
