Category: Experiments

Experimenting with 1j18b

Experimenting with Russian Rod Pentodes Here is Russian 1j18b (aka 1zh18b, 1sh18b really 1Ж18Б ) on IC breadboard. The 1j24b and 1j29b are actually better purchases. Testing 5.4MHz Hartley Oscillator at 16V and 25V. 1j18b with 1.2V NiMH for filament

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