6Q7 GT valvola NOS RCA Italia CV587 W1526 DH63 VT194 RADIO tube valve metal base | eBay
6Q7 GT VALVOLA FIVRE Italia tube valve RADIO CV587 W1526 DH63 VT194 6Г7 VT92 EUR 25,50 - PicClick IT
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6Q7 Duplex-Diode High Mu Triode Tube. Designed for service as a diode detector, AVC rectifier, and as a high gain resistance coupled amplifier in AC and DC operated receivers. MFR: Sylvania, CBS,