Tube-number record
8608
0 archive entries
8608 is a tube type in the TubeDatabase archive (class: Power Pentode). Recorded specifications: brand Amperex, year 1965, construction Pentode, socket Magnoval, maximum plate voltage 150 V, and maximum plate dissipation 10 W. The archive does not yet hold a photographed example of this type.
BrandAmperex
ClassPower Pentode
BaseMagnoval
Filament6.3 V @ 600 mA
Construction
Primary TypePentode
EnvelopeT-9
SectionsSingle
Filament / Heater
Heater NotesIndirect, parallel supply, AC or DC
Absolute Maximum Ratings
Plate Voltage150 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Pentode | 125 V | 45000 | 20000 | 30 | 50 mA |
| Triode | 125 V | 50000 | — | 30 | 55.5 mA |
Application Notes
Particularly suited for use as a wideband video amplifier in applications requiring low output capacitance. In applications where long life is not required, cathode current can equal 100mA.
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