High impedance triode.
Röhren-Codex is wrong. Heater current is 0.65A (Manufacturers data and actual test data)
Typical Operating data Va =200; Ia =1.35mA; Ra =35k; gm =3.6.
Literature
- - Manufacturers Literature
Taschenbuch zum Röhren-Codex 1948/49
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 3
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