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89Y

Information - Help 
ID = 30772
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Vacuum Pentode   Power/Output 
Identical to 89Y
Similar Tubes
Other class quality (otherwise equal):
  89

Base 6-Pin-Base U6A, old, USA
Filament Vf 6.3 Volts / If 0.4 Ampere / Indirect / Parallel, (AC/DC)
Description Low-loss base version of the 89 
Information source -- Collector info (Sammler)   
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89y_rca_1.jpg
89Y: Eigene Sammlung
Aldo Patriarca

 
472_24.png
89Y: Telefunken Werkstattbuch
Wolfgang Bauer

 

from Just Qvigstad


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