radiomuseum.org
Please click your language flag. Bitte Sprachflagge klicken.

664A

Information - Help 
ID = 87729
       
Country:
Japan
Brand: NEC Corporation, Nippon Electric Co. Ltd. (Nippon Denki); Tokyo
Tube type:  Vacuum Pentode   VHF 
Identical to 664A
Similar Tubes
Normally replaceable-slightly different:
  954

Base Acorn 7 pin A7 Top contact with one pin.
Was used by Military and/or Government
Filament Vf 6.3 Volts / If 0.15 Ampere / Indirect
Description

This tube is a variant of the 954.

 
Information source Dawn of Japanese Tube Production   Section 010L, p. 1
-- Collector info (Sammler)   

nec_664a_pinout.png 664A: Fin Stewart
Fin Stewart


Just Qvigstad
 
nec_664a_so.jpg

 

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]
  

Data Compliance More Information