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M77

Information - Help 
ID = 67030
       
Country:
United States of America (USA)
Brand: Gold Seal Electrical Co., Inc.; New York
Tube type:  Vacuum Pentode   Universal 
Identical to M77
Similar Tubes
Other shape (e.g. bulb type):
  77

Base 6-Pin-Base U6A, old, USA Top contact with a cap.
Was used by Radio/TV-reception etc.
Filament Vf 6.3 Volts / If 0.3 Ampere / Indirect / Parallel, (AC/DC)
Description

The letter "M" appears only on the boxes and enclosed paperwork, not on the tubes.

 
Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
x 125 x 32 mm / x 4.92 x 1.26 inch
Weight 50 g / 1.76 oz
Information source -- Collector info (Sammler)   
 
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M77: Fin Stewart
Fin Stewart

 

from Just Qvigstad

You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]
  
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