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ID = 1227
Brand: Loewe-(Opta); Deutschland
Tube type:  Double Tetrode   Frequency converter 
Identical to MO44
Similar Tubes
Heater and shape different:
First year 1933 Tube leaflet collection E.Erb Analysis by original leaflets

Base Europe 7-Pin C7A (Hx C, C7, C) 1933 (Codex=sp) Top contact screw type.
Filament Vf 35 Volts / If 0.18 Ampere / Indirect / Specified current AC/DC ~ = (Series working)
Description Doppeltetrode von Loewe als Mischer und Oszillator (MO). 
Tube prices 1 Tube prices (visible for members only)
Information source Taschenbuch zum Röhren-Codex 1948/49   

MO44: Loewe Schautung
Anonymous 1038 Collector

mo44_hx_g_sock.gif MO44: Funkwerk RTT
Wolfgang Holtmann

More ...

Just Qvigstad
MO44: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector

Usage in Models 2= 1933

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):2


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