6S7
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BrandRCA
ClassPentode
BaseSmall wafer octal 7-pin
Filament6.3V @ 150mA
Construction
Primary TypeTriple-Grid Super-Control Amplifier
EnvelopeMetal Shell (MT-8)
Base MaterialMetal
SectionsSingle
Filament / Heater
Heater NotesCoated unipotential cathode
Absolute Maximum Ratings
Plate Voltage300 V
Plate Dissipation2.25 W
Grid 2 Voltage100 V
H-C Voltage90 V
Audio Performance
Key Features
- Triple-Grid
- Super-Control Amplifier
- Metal Shell
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A1 Amplifier - Condition 1 | 135V | 1250 | - | - | 3.7mA |
| Class A1 Amplifier - Condition 2 | 250V | 1750 | 1000000 | 1750 | 8.5mA |
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