Designed to serve as a voltage amplifier or dual control applications when a grid base pin connection is implemented. New old stock * No longer available for export. MFR: Tung Sol, RCA, GE, Sylvania SKU: 5725W
Designed to be used in a variety of low frequency applications as well as RF amplifier service up to 400 MC MFR: Sylvania Used * No longer available for export SKU: 5906-CL