6AR7-GT
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ClassDuo-Diode Pentode
BaseOctal
Filament6.3V @ 300mA
Construction
Primary TypePentode-Diode
EnvelopeT-9
SectionsDuo-Diode Pentode
Filament / Heater
Heater Notesa.c. or d.c.
Absolute Maximum Ratings
Plate Voltage300 V
Plate Dissipation2.25 W
Grid 2 Voltage125 V
H-C Voltage90 V
Audio Performance
Key Features
- Remote Cut-off Type
- Internal Shields
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Pentode | 250V | 2500 | 1000000 | - | 7mA |
Application Notes
The two diode plates are placed around a cathode, the sleeve of which is common to the pentode unit. Each diode plate has its own base pin. The minimum diode current per plate with an applied d.c. voltage of 10 volts is 0.8 mA.
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