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7543

Information - Help 
ID = 6173
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Developer:  
Tube type:  Vacuum Pentode   Audio Frequency 
Identical to 7543
Similar Tubes
Other class quality (otherwise equal):
  6AU6 ; EF94
First Source (s)
27.Jul.1959 : Electron Tube Registration List

Base Miniatur-7-Pin-Base B7G, USA 1940
Filament Vf 6.3 Volts / If 0.3 Ampere / Indirect
Description

Low hum, low microphonic version of the 6AU6. Intended to be operated with heater supply balanced to ground for minimum hum.

 
Tube prices 3 Tube prices (visible for members only)
Literature Essential Characteristics, GE 1973   
Röhren-Taschen-Tabelle, (Franzis RTT)   
- - Manufacturers Literature
 
7543.jpg
7543: My Collection
Danko Tkalec

 
mi28_1~~3.png
7543: RTT 1974 (Franzis) 13. Auflage
Martin Renz

 
7543_1.png
7543: Manufacturer's Literature
Emilio Ciardiello


Usage in Models 1= 1959 ; 1= 1961

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2


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