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ZA1

Information - Help 
ID = 10488
       
Country:
Great Britain (UK)
Brand: MO Valve Co. Ltd.; GB
Tube type:  Vacuum Pentode   RF/IF-Stage 
Identical to ZA1
Similar Tubes
Normally replaceable-slightly different:
  CV1175 ; CV1176

Base Acorn 7 pin wide P7A (GB only)
Filament Vf 4 Volts / If 0.25 Ampere / Indirect / Parallel, (AC/DC)
Description

Gm=1.1 at Va=250 (max) Vs=100, Ia=2.2mA and -Vg=2.2.
Acorn bulb, British pin-spacing.

 
Information source Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   
 
osram_za1.jpg
ZA1: High Frequency Thermionic Tubes, A.F. Harvey
Achim Dassow

 
za1_sock.png
ZA1: Tabu Röhren-Codex, 1948
Anonymous 15 Collector

 
za1_data.png
ZA1: MARCONI RECEIVING VALVES, LONDON, 1938
Jose Casas-Avalos


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