[Amps] Tuning a 30L-1

[Pete Smith]

At 07:59 AM 10/31/03 -0800, Vic Rosenthal wrote:
>Although I don't have a 30L-1, it's common that you get better IMD 
>performance from a gg amplifier when it is loaded slightly more heavily 
>than the point of maximum output.  So what you see makes sense, and if you 
>are operating SSB it would be a good idea to tune according to the 
>instructions.  Grid current will increase in the more lightly loaded 
>condition, although I don't think this would be a problem for the 811As.

The 30L-1 I used to use at a club station had one of those Collins 
zero-centered tuning schemes, if I remember correctly.  Perhaps not all of 
them had it?


73, Pete N4ZR
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