Skipp,
I just looked at a spare Mastr Exec II PA, and I can suggest a means to
quickly identify which board you have. At each of the four final
transistors (4104P1), there are two 39 ohm resistors
(orange-white-black-gold) and four resistors that are specific to the
bandsplit. The attached photo
> I can't find the numbers listed below on the board with the
> exception of a large 6 etched out of copper on the board. I
> might now assume the unit is the 30-36 MHz unit mentioned
> below unless the pc board label is printed somewhere not within
> obvious view.
Skipp,
Look over by the l
Skipp-it should work I have tuned several 30-36 MHz split Mastr II's to
29.6 and when connected to the amp, the amp seems to work just fine-full
power out-and no excessive spurs-I have had one of the 100 watt
continuous duty units in service for a long time.
Andy
From: Repeater-Builder@y
Skipp,
You're welcome! If you cannot find any PA assembly or board numbers, you
can still ID the board by looking for certain capacitor values that vary
among the LL, L, M, and H band splits. It's time-consuming, to be sure, but
it will answer the question of which PA split you have.
73, Eric L
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