Antique radios, Old Time Radios
4Ф6С4f6s
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Country:
Soviet Union
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| Identical to |
4Ф6С
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| Similar
Tubes |
Other base and other heater:
6Ф6С
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| Base |
Europe 5-Pin , B5 + side contact
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 4 Volts / If 1 Ampere / Indirect / Specified voltage 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 %.
With exception of heater ratings and base, see more data under 6F6G. [JR]
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4Ф6С: JK Prüfkarte Röhrenprüfgerät W 18N
Jörg Kulbe
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Just Qvigstad
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4Ф6С: data sheet
Jacob Roschy
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