The VT-4-C (aka 211) is a transmitting triode oscillator amplifier. Maximum plate dissipation is rated at 100 watts to 80 MHz. This tube type is used in transmitting as well as audio applications. Scratch builders are seeking out good VT-4-C’s for their custom audio amplifier projects.
Item Tag: GE – Military
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2 General Electric JG 5814A aka 12AU7 Vacuum Tubes Vintage Audio Twin Triodes
The 5814A is a high-reliability version of the popular 12AU7 twin triode. One is a 3-mica version. 2 General Electric JG-5814A Vacuum Tubes. Hickok TV-7D/U tests nd triode sections 110 and 112 – min.