5BK7

5BK7A, Filament / Heater: 4.7V at 600mA, Pin Count / Base: 9-Pin Miniature (Noval / B9A), Description: Symmetrical medium-high-mu dual triode with controlled warm-up time designed for low-noise cascode RF amplifiers in VHF tuners. Equivalent: RCA 5BK7A / Sylvania 5BK7A / GE 5BK7A / Westinghouse 5BK7A TUBE IN BOX - TUBE WILL BE TESTED BEFORE SHIPMENT