ZB-60
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BrandAmperex
ClassTransmitting Tube
BaseStandard Medium 4 Pin Bayonet
Construction
Primary TypeTriode
EnvelopeGlass
SectionsSingle
Filament / Heater
MaterialThoriated Tungsten
Absolute Maximum Ratings
Plate Voltage1600 V
Plate Dissipation75 W
Audio Performance
Power Output320 W
Key Features
- Low Distortion
- Zero-Bias
- High transconductance to interelectrode capacitance ratio
- Radiation Cooled
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class B A.F. Power Amplifier (Zero-Bias) | 1500V | 6000 | - | 80 | 305mA |
| Class C R.F. Power Amplifier Telegraphy | 1250V | - | - | - | 160mA |
Application Notes
The ZB-60 is a low voltage high current type designed for Class B and Class C service. In zero-bias Class B operation, it approaches ideal performance. Grid voltages are relative to the filament mid-point for A.C. operation; if D.C. is used, reduce stated grid voltage by 7 volts.
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