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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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In Reply to: any info on 7868 tubes posted by peter on March 22, 2002 at 10:08:13:
7868 tube, from the NJ7P Tube Database SearchNovar type Power Pentode used in output stages of high-fidelity audio amplifier.
Heater or Filament Voltage . 6.3 volts
Heater or Filament Current . 0.8 amperes
EIA Base . . . . . . . . . . 9NZ
Prefered Substitutes . . . . None
Substitutes. . . . . . . . . NoneSection. . . . . . . . . Pentode
Cin. . . . . . . . . . . . 11 pf
Cout . . . . . . . . . . . 4.4 pf
Cgp. . . . . . . . . . . . 0.15 pf
Plate Dissipation. . . . . 19 watts
Screen Dissipation . . . . 3.3 watts
Maximum Plate Voltage. . . 550 volts
Maximum Screen Voltage . . 440 voltsThese were used in juke boxes too, and other types of amps as well. They are also expensive, I guess because there are no easy substitutes. They easily bring $40 each on ebay. The big tube seller guys probably get more than that.
Good luck.
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Follow Ups
- Re: any info on 7868 tubes - loosecannon 11:24:32 03/22/02 (0)
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