That Ridge Equipment dummy load is very good - I would recommend it 
highly for any measurement or calibration work.  I would not exceed 75 
watts with it.
If you want a dummy load to leave connected to your K3 when not in use 
and general all-around the shack work, you might want to consider 
building one in a quart paint filled with mineral oil - see: 
http://www.k4eaa.com/dummy.html - I have two similar dummy loads here in 
quart cans and a larger one in a gallon can that have served well for 
many, many years.

73,
Don W3FPR

On 2/7/2012 11:17 AM, Bob wrote:
> I'd buy this:
>
> https://www.ridgeequipment.com/store/dummyloads.html
>
> 75 watts and $12.   I've been happy with mine bought a couple of years ago.
>
> 73,
> Bob
> K2TK  ex KN2TKR (1956)&  K2TKR
>
>
> On 2/7/2012 10:11 AM, Jim Miller wrote:
>> I'm considering adding the amp to my k3/10. I see a 50w dummy load is reqd
>> for setup. Any recommendations? Should I get a 100w one instead?
>>
>> Build vs buy?
>>
>> 73
>>
>> jim ab3cv
>>
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