Tube-number record
6SR7
0 archive entries
6SR7 is a tube type in the TubeDatabase archive (class: Duo-diode Triode Amplifier). Recorded specifications: brand TUNG-SOL, year 1943, construction Multi-section, socket Octal, maximum plate voltage 250 V, and maximum plate dissipation 2.5 W. The archive does not yet hold a photographed example of this type.
BrandTUNG-SOL
ClassDuo-diode Triode Amplifier
BaseOctal
Filament6.3 V @ 0.3 mA
Construction
Primary TypeMulti-section
EnvelopeMetal
Sections3
Filament / Heater
Heater NotesAC or DC
Absolute Maximum Ratings
Plate Voltage250 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A1 Amplifier | 250 V | 1900 | 8500 | 16 | 9.5 mA |
Application Notes
Designed for service as diode detectors, AVC rectifiers and as audio amplifiers in AC, storage battery and AC-DC operated receivers.
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