Tube-number record
ZB-60
0 archive entries
ZB-60 is a tube type in the TubeDatabase archive (class: Transmitting Tube). Recorded specifications: brand Amperex, construction Triode, socket 4-pin, maximum plate voltage 1600 V, and maximum plate dissipation 75 W. The archive does not yet hold a photographed example of this type.
BrandAmperex
ClassTransmitting Tube
Base4-pin
Construction
Primary TypeTriode
EnvelopeGlass
SectionsSingle
Filament / Heater
MaterialThoriated Tungsten
Absolute Maximum Ratings
Plate Voltage1600 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class B A.F. Power Amplifier (Zero-Bias) | 1500 V | 6000 | — | 80 | 305 mA |
| Class C R.F. Power Amplifier Telegraphy | 1250 V | — | — | — | 160 mA |
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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