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 (depends on the order - contact to discuss)

Available also as RF Deck only; complete except for HV supply:  Requires 3KV @ 2.2A