Hi Gang:
I want to inform those people that have the V/U unit to be careful of
the output power from the flex as it WILL SPIKE HIGH into your amp.
Today the amp GU78b that I was running only at 1000 Watts spiked again
and blew something in the antenna and also causer the HV power supply to
go down, I have not checked out what died today but I had thought 1000
watts would at least be stable with only 10 watts drive from the
Flex5000A. I had this problem before and had to replace two coax
connectors "N" type and several diodes and do a mod cost some dollars to
get back on the air I have a power meter next to the Flex never saw the
power spike but the amp did and probably put out 3 to 4 KW to the
antenna system.
My question to Flex is when are they going to address the software
problems for the V/U unit lets face it the V/U has been out for a year
and it has never been upgraded to work the way it should. I realize the
HF people all want special features for there Flex rigs but those that
spent a lot of dollars for the V/U mod have a unit that has LITTLE
features (unless you just use the output of the Flex to a antenna)
Now if you are using a amp that has a max power output of 2 KW you will
never have that problem as a 8877 takes all the power the flex has to
drive to 2 KW But if you need less than max power from the Flex BEWARE
it will get your amp.
I have tried to put the XV-144 back on line but the Flex5000A will not
work with the XV144. I did have it running as a system before the mod.
Any ideas when the expensive V/U will do something stable???
Ed
WA3BZT
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