24 volt 400watt PA--Requires only 100mW or so of RF drive.
These were used on the 8528H, HF4000, 9323H
Note: The "A" prefix serial No's were used with the 8528/HF4000
The "B "prefix were used with the 9323H
The "B" Prefix amplifier is also backwards compatible with the 8528/HF4000
Mods are required to run an "A" model 4404 amp. on a 9323H.
"B" Prefix Amp.
"B" Model Filter/Control board
"A" Model Filter/Control board
9323H Exciter board-This fits in place of the standard 100W PA at the rear of the radio.