[TenTec] Bias Adjustment on Century 21

[Tom NØJMY]

Thanks, Perry.  Everything works just as you said.

w8au at sssnet.com wrote:
> At 01:36 PM 6/16/2009, w8au at sssnet.com wrote:
>> At 12:45 PM 6/16/2009, Tom, N0JMY wrote:
>>>> My question is basically where/how (in physical terms) do you measure
>>>> this current?  The final amp is a sealed unit for all practical
>>>> purposes.
>> The 12V buss enters the PA section through a feed-thru insulator.
>> Usually a RED insulated wire.
>> Just unsolder this lead and insert the VOM.
> 
> Forgot to add:  if bias pot controls the final amp and you
> want to eliminate the additional reading of the driver,
> just crank the pot to full cutoff, measure the current
> and then adjust the pot for an additional 6 ma.
> 
> Perry 
> 
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