rs242 tube telefunken germany matched pair power tubes ww2 wartime wehrmacht 40s
two tubes matched pair tested strong rs242 x telefunken
3,8 Volt Heater tubes
tube 1 code 205789/1140 tested 28mA on tube tester funke w19s (reference good at 22mA)
tube 2 code 205777/1140 tested 26mA on tube tester funke w19s (reference good at 22mA)
cup getter bottom
hanging filament
large mono plate
black plate
old globe shape
rare power tubes
power triode dht direct heater
transmitter tube
both with radiotax lead
RS242 X
Socket Europe 4-Pin B4
power triode Transmitter tube 15 Watt Senderöhre Telefunken
Filament heater Vf 4 Volt / If 0.65 Ampere / Direct
box 147
pair 2