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6N6MG

Information - Help 
ID = 3134
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Developer: Triad Television & Mfg. Co.; Pawtucket, RI 
Tube type:  MULTI-SYSTEM, internal coupling   Power/Output 
Identical to 6N6MG
Similar Tubes
Other shape (e.g. bulb type):
  6N6 ; 6N6G
First Source (s)
17.Dec.1935 : Electron Tube Registration List 55
Predecessor Tubes 6B5  

Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=U)
Was used by Radio/TV-reception etc.
Filament Vf 6.3 Volts / If 0.8 Ampere / Indirect / Parallel, (AC/DC)
Description

The 'Triadyne' 6N6MG is a heater type output tube comprising two triode units mounted in a common bulb. The smaller or input section acts as a driver tube for the larger output unit and is directly coupled to it. The input cathode and output grid are connected internally. The tube operates without bias so there is no need for a cathode resistor and it's associated by-pass condenser.
Since the output section operates with a positive bias, it requires a high-µ characteristic to keep the plate current low. This is achieved by using two separate control grids connected in parallel inside the bulb.
Registration assigned to Triad Mfg. Company, Pawtucket, RI, USA.

6N6MG was the compact, octal-based and metal-shielded version of the 6B5 introduced by the same manufacturer at the beginning of the same year. Application notes loaded to the 6B5 can be applied to 6N6MG.

 
Text in other languages (may differ)
Literature - - Manufacturers Literature   
Taschenbuch zum Röhren-Codex 1948/49   
  6n6_1.png
  6N6MG: own design
Jacob Roschy
 
6n6mg_004.jpg
6N6MG: Collection JR
Jacob Roschy

 
6n6mg_so.png
6N6MG: ARRL Handbook 1972
Michael Schlör

 
6n6g_6n6mg_1.png
6N6MG: Raytheon Databook 1937
Emilio Ciardiello


Usage in Models 4= 1938?? ; 3= 1945?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):7


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