1S5 Sharp Cutoff Pentode Tube. Designed to service as a detector-audio tube in a portable piece of equipment. MFR: RCA, GE, CBS, Sylvania, Tung Sol. SKU: 1S5. New old stock. No longer
DL-94 3V4 ELECTRON TUBE DL94
Antique Radio Forums • View topic - 3V4 vs 3Q4
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