[TenTec] Omni VI audio problem

[Stan Gammons]

Hi All,

I was tinkering with an old D-104 T-UG8 that I had put a Heil conversion 
kit in since the original element bit the dust. I ask for an audio 
report from some of the locals that know what I sound like and they said 
I sounded terrible.  So, I switched to the Ten-Tec 707 mic, same report. 
So, I tried my trusty old EV-638. Same story.  I didn't try it with the 
converted D-104 to see what it sounds like. They initially told me it 
sounded like the mic was picking up something like a fan maybe, so 
turning the gain down helped a little but not a lot. SO, today I decided 
to put the Omni VI on a dummy load and listen to it with my Drake TR7.  
Yuck! The Omni VI sounds terrible!  It's almost like there is a little 
bit of a carrier and it has what sounds like digital hash on it. It gets 
worse the higher the mic gain is cranked. When I modulate, the audio 
sounds all distorted. Even without modulation, if I turn the processor 
on and crank it up, the digital hash in the audio seems to get even 
worse. SO, just to make sure it wasn't something weird going on, I did 
the same thing with the TR7.  I put it on a dummy load and listened to 
it with the Omni VI. I tried it with the same mics and the audio is 
clean. No hash or anything.  Anyone heard of a problem like this with an 
Omni VI?


73

Stan
KM4HQE