Antique radios, Old Time Radios

7025

Country:	United States of America (USA)	Brand:	Common type USA tube
		Developer:	RCA (RCA Victor Co. Inc.); New York (NY)
		Tube type:	Double Triode Audio Frequency

Tube ID = 3942

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Identical to	7025
Similar Tubes	Normally replaceable-slightly different: 7025A; ECC83 Other class quality (otherwise equal): 12AX7
First Source (s)	24.Feb.1958 : Electron Tube Registration List 2110
Predecessor Tubes	12AX7
Successor Tubes	7247

Base	Noval, B9A
Filament	Vf 12.6 Volts / If: 0.15 Ampere / -: Indirect / -: Parallel / series AC/DC /
Description	Low-hum, noise and microphonics version of 12AX7. Heaters can be parallel connected for operation at 6.3V, 0.3A. Text in other languages (may differ)
Dimensions (WHD) incl. pins / tip	20 x 54 x mm / 0.79 x 2.13 x inch
Tube prices	0 Tube prices (visible for members only)
Literature	Essential Characteristics, GE 1973 Tube Lore, Sibley, USA 1996


	7025: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse Michael Schlör

7025: P.H.
Peter Hoddow

7025: GE Data Sheet
Egon Penker

Usage in Models	1= 1953?? ; 2= 1958? ; 11= 1958 ; 118= 1959? ; 65= 1959 ; 6= 1960?? ; 10= 1960? ; 6= 1960 ; 12= 1961? ; 1= 1961 ; 1= 1962?? ; 23= 1962? ; 11= 1962 ; 24= 1963? ; 5= 1963 ; 49= 1964? ; 1= 1965?? ; 1= 1966? ; 1= 1967?? ; 1= 1967 ; 2= 1968? ; 1= 1968 ; 1= 1975? ; 1= 1977 ; 1= 1982
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 355

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