Antique radios, Old Time Radios

6f6s

Country:	Soviet Union		Brand:	Common production USSR (Soviet Union)
			Tube type:	Vacuum Pentode Power/Output

Tube ID = 18859


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Identical to	6f6s
Similar Tubes	Other shape (e.g. bulb type): 6F6G; 6F6GT; 6F6_DDR; 6f6m Other base and other base diagram: 4f6s

Was used by	Radio/TV-reception etc.
Filament	Vf 6.3 Volts / If: 0.7 Ampere / -: Indirect / -: Parallel, (AC/DC) /
Description	Maximum ratings : Va = 375 V, Vg2 = 285 V, Pa =11 W, Pg2 = 3,75 W; Vf/k = 90 V; Class A1 operation: Va = 250 V; Vg2 = 250 V; Vg1 = -16,5 V; Ia = 34...36 mA; Ig2 = 6,5...10,5 mA; S = 2,5 mA/V; Ri = 80 k Ohms; Ra = 7 k Ohms; Rk = 410 Ohms; Po = 3,2 W; Vi = 16,5 V-eff; d-tot= 8 %. For more data see under 6F6G.[JR]

collection JR
Jacob Roschy

Das grosse RöhrenTB; W. Beier; Reprint 1965
Otto Frosinn

various sources
Jacob Roschy

Usage in Models (calculation each 25th of the month)	1= 1937 ; 3= 1939 ; 1= 1940 ; 3= 1941 ; 2= 1945? ; 4= 1945 ; 2= 1946? ; 2= 1946 ; 4= 1947 ; 2= 1948 ; 1= 1951 ; 1= 1952 ;
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 26

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6f6s

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