http://www.ab7e.com/weak_signal/mdd.html
Thanks to Dave AB7E for the most easy-to-understand report on this
interesting topic.
73,
Jukka OH6LI
2012/7/17 Barry <w2up@comcast.net>:
>
>
>
>
>
> Go for the 1500W amp. If you haven't seen it, watch the recent webinar
> by N6BV at the PVRC site. Dean addresses how 1 or 2 db can make a big
> difference.
>
> Barry W2UP
>
> On 7/16/2012 5:22 AM, Peter Chamalian wrote:
>> I have a K3 and the KPA-500. It's a very nice little amp but at 500 watts I
>> was getting pushed around all over the place. With my THP HL-1.5KFX, I run
>> 800 watts and that makes a definite difference. If you are serious about
>> contesting, go for the legal limit!
>>
>> The difficulty with a non-Elecraft amp may be to get the amp to band change
>> for you, depending on which one you get. The Acom will do that just fine
>> with a single dit.
>>
>> Back in the day when I was running tune amps, I would mark the dials for
>> each band so tuning was a very quick set of movements. The extra 5 seconds
>> won't make a difference unless you just moved someone from one band to
>> another and even then it's not significant.
>>
>> Pete, W1RM
>>
>> -----Original Message-----
>> From: Richard Thorne [mailto:rmthorne@att.net]
>> Sent: Sunday, July 15, 2012 6:25 PM
>> To: cq-contest@contesting.com
>> Subject: [CQ-Contest] 500 Watt Amp or 1500 Watt Amp
>>
>> Hello Group,
>>
>> I'm finally building my first serious contest station after hamming for over
>> 30 years. My wife and I moved out to the country last August to a lot with
>> no restrictions. My first tower is up and I'm planning a 2nd soon.
>>
>> I'm looking at amp possibilities. My rig is an Elecraft K3 so the
>> KPA500 looks intriguing in that it will follow the rig and I won't have to
>> tune it, i.e., quick band changes.
>>
>> Is 1500 watts really worth looking at? I could go the Acom 2000a or Alpha
>> route, but that's not quite in the budget now. So I'm looking at the
>> Ameritron AL-1200, 1500 or other comparable amp. The disadvantage is tune up
>> time, but I'm not sure that's really a big deal. I've operated at K5NA for
>> years and it doesn't take much to tune to a different band using pre-marked
>> settings.
>>
>> So the question, does the extra 1000 watts make a difference? as compared to
>> the ability to make quick band changes using a solid state amp?
>>
>>
>> Thanks
>>
>> Rich - N5ZC
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>
>
>
>
>
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