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Z2z

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ID = 57488
       
Country:
Germany
Brand: Siemens; D (S.& Halske / S. Electrogeräte)
Developer: Siemens; D (S.& Halske / S. Electrogeräte) 
Tube type:  Full-Wave Vacuum Rectifier   Power-supply 
  Ca. 1925 up to 1945 very rare. ***
Identical to Z2z
Similar Tubes
Other base:
  1815 ; G2504 ; RGN2504

Base EU-Telephone 7-pin (G7K)
Was used by Telephony
Filament Vf 4 Volts / If 2.5 Ampere / Direct / Specified voltage AC/DC
Dimensions (WHD)
incl. pins / tip
x 130 x 47 mm / x 5.12 x 1.85 inch
Weight 84 g / 2.96 oz
 
z2z_rr.jpg
Z2z: RR
Reinhard Riek

More ...
 
z2z_sockel.png
Z2z: Röhrentabellen F. Fritz
Stefan Müller

 

from Just Qvigstad


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