A 4CX600JA (x2) Linear Amplifier
as it might have arrived from Electronics Service, Unit No. 16
Parts is parts.... The major items are
Across the bottom from the left side:
A pair of loctal sockets.
A pair of 4CX600JA's.
A pair of Johnson 124-0113 screen bypass caps.
Thanks to Phil, VA3UX for donating these!
A 5000pF plate coupling cap.
A pair of Rotron Biscuit fans.
The plate transformer core.
The HV rectifiers.
The parts for the antenna relay & power sense assembly
Jennings RJ-1A vacuum relay
A reed relay
N & BNC connectors
43 material cores for the cross coupled power sensor
The next row above:
A neon indicator lamp.
A Grayhill Keyswitch
A Master Specialties lighted pushbutton switch
Two Hobbs timemeters
Two more Master Specialties lighted pushbutton switches
Two Optical Rotary Encoders & Raytheon knobs
And just behind those:
Ten Simpson type 1227 meters
Nine Hewlett Packard digital readouts
A bezel for the readouts & also one for the status LEDs.
Thanks to Stu's Model Shop for making these parts.
Five Trimmer potentiometers for bias adjustments.
Three Pittman gearhead motors
with flexible couplers, gears & 10 turn potentiometers just above.
A 12 position switch for the grid circuit
MHV connectors M&F for the Plate Supply
Three filter caps for the Plate Supply
Chokes for the Power Factor Corrector
The case for the antenna switching & power sensing circuitry
The back row:
A Hewlett Packard Series 1 instrument cabinet with a replacement front panel.
with the power cord and some aluminum panels for the RF compartment
A 5-500 pf 5KV Vacuum Capacitor for the Plate
A 50-1400 pf 1.8KV Vacuum Capacitor for loading
A JSLF-450 Vacuum Capacitor to pad the Plate tune on 160 meters.
A homebrew right angle drive
A Radio Switch Model 86 bandswitch
The RF compartment just behind these temporarily taped together
with some teflon sheet for the plate air flow containment.
PFC input rectifier
Power & Step Start Relays
The PFC rectifier
The chassis AC connector
15 amp circuit breaker
Finally the low voltage Switching Power supply for the motors, logic & grid bias.
The very upper right:
The top of the cabinet
RG-402 for the Pi-L coils
Quarter inch copper tubing to increase the diameter of the high end of the Pi coil.
Finally, over the top, a couple lengths of 1/4" square aluminum extrusion
to fasten the RF compartment together.