Tube-number record
6SR7
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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
Plate Dissipation2.5 W
Audio Performance
Key Features
- Common cathode
- Diode detectors
- AVC rectifiers
- Audio amplifiers
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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