[TenTec] OmniVI Plus Over Drive Amp

[Steve Hunt]

Hi Lee,

Like you, I'm trying to get Jim to tackle this systematically. I think 
it's worth a first step of checking what power output he gets from the 
amp on TUNE before the OVERDRIVE LED comes on. If the LED lights up at 
only 300W out into a dummy load there's a problem in the amp. I just 
tried it on my set up and I was well into the red on the Hercules power 
bargraph before the OVERDRIVE came on - about 500W out.

73,
Steve G3TXQ

wa3fiy at radioadv.com wrote:
> Jim,
>
> I second Steve's suggestion below.  
>
> There are three steps in getting things set up for what you want to do.
>
> 1 - Set the maximum power the Omni VI will deliver to the Hercules II.
>
> 2 - Set the mic gain to light ALC on voice peaks.
>
> 3 - Set speech processing to desired level.
>
> To review:
>
> Step 1  Reduce mic gain and power level to zero and speech processor off.  
> The power control is the silver ring at the back of the mic gain control.  Go 
> into tune and set the power level to drive the Hercules to your target power 
> level, say 400 watts.  Make no further adjustments with the power control. 
>
> Current on the Herc should be somewhere around 50 - 60 amps depending 
> on band.  Voltage should stay near 13 volts.
>
> Step 2  In USB or LSB, key the mic and adjust the mic level until the ALC 
> light lights on voice peaks.  Make no further adjustments with the mic level 
> control.
>
> Step 3  Turn on the speech processor and adjust it into the black region as 
> you described.  You will need to get some on air reports to find the sweet 
> spot between DX punch and low distortion.  Almost everyone has a different 
> opinion on this matter so that's as far as I can go.
>
> 73,
>
> -Lee-
>
> WA3FIY
>
>
>   
>