Tube-number record
6GZ5
0 archive entries
6GZ5 is a tube type in the TubeDatabase archive (class: Pentode). Recorded specifications: brand TUNG-SOL, year 1963, construction Pentode, base glass, socket Miniature 7-pin (B7G), maximum plate voltage 300 V, and maximum plate dissipation 4.8 W. The archive does not yet hold a photographed example of this type.
BrandTUNG-SOL
ClassPentode
BaseMiniature 7-pin (B7G)
Filament6.3 V @ 380 mA
Construction
Primary TypePentode
EnvelopeT-5 1/2
Base Materialglass
Sectionssingle
Filament / Heater
Heater NotesDesigned for transformer operation; Voltage limits: 6.3V +/- 0.6V
Absolute Maximum Ratings
Plate Voltage300 V
Plate Dissipation4.8 W
Grid 2 Voltage300 V
Cathode Current30 mA
H-C Voltage200 V
Audio Performance
Typical THD10%
Power Output1.8 W
Key Features
- Miniature construction
- Coated unipotential cathode
- Any mounting position
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A1 Audio Amplifier (No Bypass) | 250 V | 8400 | 150000 | — | 16 mA |
| Class A1 Audio Amplifier (Condenser Bypass) | 250 V | 8400 | 150000 | — | 16 mA |
Application Notes
Intended for use in the audio output stage of radio and television receivers.
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