[TenTec] OII TX Audio experiment/findings

[Grant Youngman]

> -----Original Message-----
> From: tentec-bounces at contesting.com 
> [mailto:tentec-bounces at contesting.com] On Behalf Of Kc9cdt at aol.com
> Sent: Friday, March 03, 2006 1:43 PM
> To: tentec at contesting.com
> Subject: Re: [TenTec] OII TX Audio experiment/findings
> 
> Duane and all,
> 
> OK, I just for the first time did some experimenting on the 
> TX audio issue.
> 
> I am using two different Mic's.
> 1) A Heil Goldline GM-5
> 2) A Heil Classic GL-5
> Both have the studio (Wide) element and the HC-5 Narrow (Not 
> the real narrow
> DX)
> 
> With either Mic in the narrow position, I get lots of drive, 
> have to turn down the gain, and I seem to get distortion and 
> clicking and high freq. 
> raspyness.
> 
> This is the SAME Mic and the same setting (narrow) I used 
> with Orion before I got OII.  So I started out here with the 
> same Mic and the same OII settings as the Orion. Logical as I 
> didn't think they would have changed anything in the Mic 
> area. I guess they did. I here all this in the Monitor.
> 
> OK, next scenario, based on you guys recommendations (Thanks 
> very much), I switched the Goldline to Wide position 
> (studio). No changes to the settings that I used to get a 
> good drive level. The meter barely moves, even if I yell into 
> the Mic (Yes this is with a dummy load, not on the air, Hi, 
> Hi). I turn up the gain to full, better but very weak drive. 
> Also what I learned is there is definitely some things 
> needing fixed: These things shouldn't happen.

You may want to check all of this on a second receiver.  To see if it's
something on your output signal, or just some distortion on the internal
monitor.  My experience and some other reports is that the latter may be
responsible for what you're hearing.

Grant/NQ5T