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GRDVII

Country:  Netherlands      Brand:  Philips; Eindhoven (tubes international!); Netherlands 
  Tube type:  Full-Wave Vacuum Rectifier   Power-supply 
Tube ID = 39365
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Identical to GRDVII
Similar Tubes Other class quality (otherwise equal):
 1805; RGN1064

Base Europe 4-Pin (A, 4A, B4, since 1914)
Filament Vf 4 Volts / If: 1.1 Ampere / -: Direct /
Description Special Quality type.
GRD stands for "Gemeentelijke Radio Distibutie", translated "Municipal Wired Radio". Used by Dutch PTT. 
Dimensions (WHD)
incl. pins / tip
49 x 115 x mm / 1.93 x 4.53 x inch

grdvii_so.png
GRDVII
Michael Schlör

 
Usage in Models   1= 1938?
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):   1

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