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ECC 81  
Country:  Europe      Brand:  Common tube type Europe 
  Tube type:  Double Triode   VHF-Tube 
Identical to ECC81 = 12AT7 = B152 = CC81E = CV455
Similar Tubes 7728 (can normally be replaced - small diff'ce)   E2157 (can normally be replaced - small diff'ce)   6AT7 (other base connections)   M8162 (other class quality (otherw. equal))  
First Series   1951 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s) Sep.1951 : Funk-Technik (FT) # 17
Successor Tubes 1954 ECC85   6AQ8  

Base Noval, B9A
Was used by Radio/TV-reception etc.
Filament -: Indirect / -: Parallel / series AC/DC / If: 0.15 Ampere / Vf 12.6 Volts /
Description Mentioned: Dec1950, Market: 1951. (Similar types: 12AT7, E81CC, ECC801, ECC801S, 6201)
Twin triode, the European version of the 12AT7, especially designed for VHF, also good to use in audio amplifiers; high amplification, low internal resistance. Predecessors for VHF in Europe were the pentodes EF42 and EF80. Successors were the twin triodes ECC85, PCC85 and UCC85 with a special shield between the triode units.

Text in other languages (may differ)
Dimensions (WHD) 22 x 57 x mm / 0.87 x 2.24 x inch
Weight 14 g / 0.49 oz
Tube prices 2 Tube prices (visible for members only)