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Tube Database (7,341 tube types · 1,270 archive entries)

Pre (2,630 tube types), Other (2,603 tube types), Power (1,292 tube types), Rectifier (816 tube types)
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Tube-number record

88

0 archive entries

88 is a tube type in the TubeDatabase archive (class: Duo-Diode High-Mu Triode). Recorded specifications: brand Sylvania, construction Triode, socket 6-pin, and maximum plate voltage 250 V. The archive does not yet hold a photographed example of this type.

BrandSylvania
ClassDuo-Diode High-Mu Triode
Base6-pin
Filament6.3 V @ 300 mA

Construction

Primary TypeTriode
EnvelopeST-12
Sections3

Filament / Heater

Absolute Maximum Ratings

Plate Voltage250 V

Audio Performance

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Triode Section250 V1100910001001.1 mA

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    Key Features
    • High-mu triode
    • Independent diode units