Use:
Power Amplifier Pentode
Notes: Requires a miniature 7-pin socket.
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Name: 1S4 Use: Power Amplifier Pentode Notes: Requires a miniature 7-pin socket. |
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1S4 Power Amplifier Pentode Data Source . . . . . . . . . . Collins 1940 Heater or Filament Voltage. . . 1.4 volts Heater or Filament Current. . . 0.1 amperes EIA Base. . . . . . . . . . . . 7AV Substitutes . . . . . . . . . . None |
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Typical Operation as a Receiving Tube Description Ep Eg Vs Is Ip Rp TC AF Zl PO =================================================================== Class A Amplifier 45 -4.5 45 0.8 308 250K 1250 - 8K .065 |