[Drake] TR4 problems

Sun, 10 Feb 2002 20:04:47 -0000

I would definately start by checking all the tube voltages & 
comparing them with the charts in the manual. It sounds like 
something is operating outside proper parameters or misaligned.

With the voltage charts you can eliminate a lot of things and help 
find the trouble.

On 10 Feb 2002, at 17:09, [email protected] wrote:

> I just picked up a TR4 and have been working on it over the weekend.
> 
> Replaced several tubes including all new finals.
> 
> Have a couple of problems and would like some advice.
> 
> Have strong output on all bands but 20m.  Other bands show about 175 watts 
> but only 100 watts on 20m.
> 
> The audio is a little fuzzy.  Certainly q5 but not as nice as I have heard 
> from other Drakes.
> 
> Any hints as to where to start.
> 
> Thanks
> Tom G
> KE0KB
> 
> 
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