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12AH7

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ID = 15123
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Double Triode   Audio Frequency 
Identical to 12AH7 = 12AH7GT

Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Vi)
Filament Vf 12.6 Volts / If 0.15 Ampere / Indirect / Specified voltage AND current AC/DC
Information source Taschenbuch zum Röhren-Codex 1948/49   

12ah7.png
12AH7: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †

12ah7.png 12AH7: Datenblatt
Wolfgang Bauer


Just Qvigstad
12ah7_gt_1.png
12AH7: RCA Tube Handbook HB3 Vol. 5-6 1955
Achim Dassow

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Usage in Models 3= 1951?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):3
 

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