Tube-number record
2DZ4
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BrandTUNG-SOL
ClassMEDIUM MU TRIODE
BaseMiniature 7-pin (B7G)
Filament2.35 V @ 600 mA
Construction
Primary TypeTriode
EnvelopeGLASS
Base MaterialMINIATURE BUTTON
Sections1
Filament / Heater
MaterialCOATED UNIPOTENTIAL CATHODE
Warm-up Time11s
Heater Notes600 MA SERIES STRING
Absolute Maximum Ratings
Plate Voltage135 V
Plate Dissipation2.3 W
Grid 1 Voltage-50 V
Cathode Current20 mA
H-C Voltage180 V
Audio Performance
Key Features
- MEDIUM MU
- MINIATURE TYPE
- UHF OSCILLATOR SERVICE
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| CLASS A1 AMPLIFIER | 80 V | 6700 | 2000 | — | 15 mA |
| OSCILLATOR AT 1000 MC/S | 80 V | — | — | — | 15.5 mA |
Application Notes
Identical to 3DZ4 and 6DZ4 except for heater characteristics and ratings.
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