Yes, that is different Carl.

Michael Blake
[email protected] <mailto:[email protected]>






> On May 13, 2018, at 4:34 PM, Carl Yaffey <[email protected]> wrote:
> 
> I hear you. In the case I described, the power NEVER comes up on SSB until I 
> switch to CW and back to USB. Annoying.
> 
>> On May 13, 2018, at 4:31 PM, Michael Blake <[email protected] 
>> <mailto:[email protected]>> wrote:
>> 
>> Carl, I suspect that the issue you see is not a KPA1500 issue.  The same 
>> sequence takes place the first time you use the KPA500 each day.  In fact I 
>> have seen the same issue with the K3s by itself with no amplifier.  It takes 
>> mine a few words or short sentences to ramp up to whatever the K3s power has 
>> been set for.  CW dits will start the process but it seems to take SSB voice 
>> to complete it.
>> 
>> After the power ramps up (a few seconds of ssb modulation) it will stay at 
>> that power level until the K#s has been powered down and turned back on.  
>> This is what I see on mine anyway as does another local K3s/KPA500 user.
>> 
>> It will happen EVERY TIME the k3s is first started for both of us.  I 
>> believe we both have the mic and compression settings correctly adjusted but 
>> low mic levels or low compression will lengthen the duration of ssb 
>> modulation required to stabilize the output power.
>> 
>> I have seen this described several times on the reflector without having 
>> seen any explanation for why it might occur other than the method Elecraft 
>> uses for power control.
>> 
>> Michael Blake
>> [email protected] <mailto:[email protected]>
>> 
>> 
>> 
>> 
>> 
>> 
>>> On May 13, 2018, at 4:16 PM, Carl Yaffey <[email protected] 
>>> <mailto:[email protected]>> wrote:
>>> 
>>> 1. Select 20m
>>> 2. Go to 14.305 and select USB.
>>> 3. Press ATU Tune on amp.
>>> 4. Press tune on K3S and tune completes.
>>> 5. Select OPER on amp.
>>> 6. Speak into mic. Only see 100 watts on amp’s meter. Huh???
>>> 7. Change mode to CW.
>>> 8. Press key.
>>> 9. Power starts out at 100 and climbs up to 1300w or so.
>>> 10. Switch mode to SSB, speak into mic, and the meter shows proper power.
>>> 
>>> 
>>> Carl Yaffey  K8NU
>>> Recording studio.
>>> [email protected] <mailto:[email protected]> 
>>> 614 268 6353, Columbus OH
>>> http://www.carl-yaffey.com <http://www.carl-yaffey.com/>
>>> http://www.grassahol.com <http://www.grassahol.com/>
>>> http://www.bluesswing.com
>>> 
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>> 
> 
> Carl Yaffey  K8NU
> Recording studio.
> [email protected] <mailto:[email protected]> 
> 614 268 6353, Columbus OH
> http://www.carl-yaffey.com <http://www.carl-yaffey.com/>
> http://www.grassahol.com
> http://www.bluesswing.com
> 

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