ECF200
ECF201
ECF801
ECF802
ECF803
ECF804 ZAE
ECF826U8
ECF83
ECF866HG8Designed to be used as a VHF oscillator and mixer in TV receivers.
ECH1
ECH11 TRO
ECH200
ECH21
ECH3
ECH4
ECH41
ECH426CU7exhibits high perveance, high plate current at low plate and screen voltages, and a high ratio of plate to screen current
ECH43
ECH816AJ8
ECH836DS8Triode-Heptode Local oscillator-Mixer which will operate with 12v anode supply, used in car radios which run directly off the 13.5 volt supply.
ECH846JX8high-quality triode-hexode/heptode/octode tube designed for audio applications.