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ECC33

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ID = 18589
       
Country:
Great Britain (UK)
Brand: Common type Great Britain tube/semicond.
Tube type:  Double Triode   Audio Frequency 
Identical to ECC33
Base Octal (Int.Octal, IO) K8A, USA 1935
Filament Vf 6.3 Volts / If 0.4 Ampere / Indirect / Specified voltage AC/DC
Description High slope, low impedance double triode with low heater consumption, primarily intended for use in flip-flop, scaling and computor circuits. 
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Tube prices 1 Tube prices (visible for members only)
ecc33.gif
ECC33: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
344_7.png ECC33: Telefunken Werkstattbuch
Wolfgang Bauer

Just Qvigstad 		ecc33_mullard_data_01.png
ECC33: Mullard - original papers
Detlef Narten
More ...
Usage in Models 1= 1948? ; 2= 1950?? ; 2= 1951 ; 1= 1953?? ; 2= 1953 ; 1= 1954 ; 1= 1955? ; 2= 1955
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):12

Collection of

Jan Poortman (NL)
Perica Adnadevic (RS)
Tomasz Szczesniak (PL)
Patrice Zeissloff (F)
Lars Nord (S)
 
mullard_ecc33.jpg

ECC33
 
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