[Elecraft] K3 - SPE Expert 1K-FA and ALC

[David M. Elliott]

If increased distortion is guaranteed, why doesn't it show on the spectrum scope?

We are obviously missing something here.

73 de W6BK


On May 15, 2010, at 11:03 AM, Vic K2VCO wrote:

> Sorry, with all due respect this is HORRIBLE advice.
> 
> I won't argue with those that say that the ALC should be connected for its protective 
> value. But it should not be depended on to control output level -- the exciter should be 
> adjusted to produce approximately the drive required for full output.
> 
> The SPE Expert may have an exclusive design, but it is not exclusive enough to include a 
> time machine so that it can know how loud the operator is planning to talk, and it doesn't 
> control the delay inherent in the exciter's ALC circuitry.
> 
> The result is guaranteed to be increased distortion.
> 
> On 5/15/2010 4:25 AM, Björn Mohr wrote:
>> 2010/4/22, LA8AW<oddyen at gmail.com>:
>> 
>> 
>> Here is the statement from the developer of the SPE Expert 1K-FA - regarding
>>> ALC, quoted from an early Expert Reflector:....
>>> 
>>> I hope this will clarify the SPE Expert vs K3 - and ALC !!
>>> 
>>> We really suggest to always leave the transceiver's output power manual control to
>>> its maximum level because the EXPERT, thanks to its exclusive design, will provide to
>>> control that level as long as the required optimal value will be reached.
> 
> 
> -- 
> Vic, K2VCO
> Fresno CA
> http://www.qsl.net/k2vco/
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