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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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635L/7020 vacuum tube outline illustration

Tube-number record

635L/7020

0 archive entries

635L/7020 is a tube type in the TubeDatabase archive (class: Half-Wave Gas and Mercury-Vapor Rectifier). Recorded specifications: brand RCA, year 1962, construction Other / special, base Special Metal Shell, and socket 4-pin. The archive does not yet hold a photographed example of this type.

BrandRCA
ClassHalf-Wave Gas and Mercury-Vapor Rectifier
Base4-pin

Construction

Primary TypeOther / special
Rectifier TypeHalf-Wave
EnvelopeT16
Base MaterialSpecial Metal Shell
Sections1

Filament / Heater

Absolute Maximum Ratings

Application Notes

The 635L/7020 is the same as the 695/7019 except for mechanical dimensions and base configuration.

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    Audio Performance

    Key Features
    • Gas and Mercury-Vapor filling