Re: Amp choices for QRP K3?

Posted by Dick, K2ZR on May 15, 2009; 5:31pm
URL: http://elecraft.85.s1.nabble.com/Amp-choices-for-QRP-K3-tp2899132p2909009.html

Is anyone using the ALS-600 with their K2/QRP?
Dick, K2ZR
PS: Phil ( AS5X ) TU for the information on the ALS-600 and your K3

Dick Stein wrote:

> Is anyone using the ALS-600 with their K2/QRP?
> Dick, K2ZR
> PS: Phil ( AS5X ) TU for the information on the ALS-600 and your K3
>
> Phil & Debbie Salas wrote:
>
>> I just checked - my ALS-600 runs 80-100 watts out with 10 watts drive
>> from my K3, though I normally run it at more like 500 watts output
>> with about 70 watts drive.  There is a 35 ohm resistor in series with
>> the ALS-600 input that can probably be reduced to give you more
>> output power.  I have modified my ALS-600 for QSK operation and it
>> works great with my K3 (see this month's QST or www.ad5x.com for
>> details).
>>
>> Phil - AD5X
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>>
>

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