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-BP-GE
Designed to be used in the power output stage of AC-DC receivers. New old stock * New in Box * No longer available for export. MFR: Tung-Sol, Delco SKU: 35B5
Designed for use in the audio frequency power output stage of radio receivers. New old stock * New in Box * No longer available for export. MFR: Sylvania SKU: 35L6GT
Use in line-operated equipment having series-connected heaters. New old stock * New in Box * No longer available for export. MFR: GE, RCA, Sylvania, Westinghouse SKU: 35W4