This should start an interesting debate.
I've found the PA in Mastr (note: Mastr not Master) II Repeaters has a real
weakness where the RF leaves the board. It's an easy fix if you get to it
before the transistors fail, but it's a very frequent failure.
I have never had any such failure, what exactly happends?
I've only had one PS failure in an Exec II. No PA's yet. The Mastr II
does seem to be built a bit heavier. And if you want a LOT of power, Mastr
II is the only way to go. I don't think there's a 100 or 110 watt Exec II.
Sure is a 110 watt vers. If I run full power I use fans.
And there's better support for Mastr II. There's even a drop in
controller.
The ICOM's in a Mastr II are totally shielded. But the Exec II can use any
ICOM for any band. Nice when you're converting.
I have some Mastr II repeaters, but my work horse is an Exec II. It's also
my favorite to convert. See my conversion site:
I'm sure there's some technical problems in the Exec II that were cleared
up in the Mastr II.
If I remember correctly, the Master II came first not the Exec II. Master
II came out in eary 70's.
I was a GE Service shop and we got a Master II about a month before they
were on the market and we did a repeater mod just to see if it would have
problems. Then unmoded and installed the unit.
I like both the Exec II and Master II units for repeaters. MVP will work
but not enough room for cooling.
de Rick KK5RIC
If by any chance you mean Mastr Exec Radios (not Mastr Exec II) avoid them.
I have a couple. Real pain to work on. Not as modular as the others.
I've run one for years for one week a year, full time, for a Ham Fest info
channel. At least that PA is solid.
If there's something specific you're thinking about, let us know.
Ray, KD4BBM
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