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DAC21_9pin

Country:  Netherlands      Brand:  Philips; Eindhoven (tubes international!); Netherlands 
  Developer:  Philips; Eindhoven (tubes international!); Netherlands 
  Tube type:  Diode-Triode   Audio Frequency 
  Late but no serial production. For instance only development samples. *****
Tube ID = 31602
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Identical to DAC21_9pin
Similar Tubes Other base:
 DAC21
Successor Tubes 1940 DAC21  

Base Loctal-9-Pin (B9G)
Filament Vf 1.4 Volts / If: 0.025 Ampere / -: Direct / -: Battery = /
Literature - - Manufacturers Literature   

cfh21_9s_r_3.jpg
DAC21_9pin: original Philips documents
Jacob Roschy

 
dac21_9b_r.png
DAC21_9pin: original Philips documents
Jacob Roschy

 

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