Tube
Freq
Output power
Gain  App.
Efficiency
Voltage
Size
Weight
2xGU74b/4cx800a
144 MHz
> 2500 Watts
17 - 18 dB
68 - 74% linear mode
220-240 Volt
46.5x43x27 CM
42 Kg
  • Heater and High Voltage both "soft" start
  • High Voltage delay timer:  HV cannot turn on before the tube is ready
  • Cannot apply drive without HV: PA kept in STDBY (No operation is possible without HV)
  • HV plate line is fuse protected
  • The HV transformer protected by magnet circuit breaker (overcurrent breaker)
  • Control and screen grids are overcurrent protected (trip circuit)
  • Blower delay timer:  Blowers run after PA is off for better cooldown
  • Built-in coax relay sequencer:  Separate exciter & tower relay/preamp box outputs
  • Coax transfer relays