[CQ-Contest] Elecraft KPA 1500 vs.OM 2000A

[Edward Sawyer]

Super loud and super SWR sensitive doesn’t sound like good characteristics for an amp.  Backing off at 1.3:1 doesn’t leave one much play on 80 or 160M.

Ed  N1UR

-----Original Message-----
From: CQ-Contest [mailto:cq-contest-bounces+edwards=sbelectronics.com at contesting.com] On Behalf Of K9MA
Sent: Tuesday, March 3, 2020 11:08 AM
To: rjairam at gmail.com
Cc: xaxaxaxa yayayaya; CQ-Contest Reflector
Subject: Re: [CQ-Contest] Elecraft KPA 1500 vs.OM 2000A

My only issue with the KPA1500 is that it’s very fussy about SWR: it won’t put out full power at more than about 1.3:1.  However, the ATU will usually get it low enough. I’m told the Expert 2K will do 1.5 kW into 3:1. 

Yes, at full speed the KPA1500 fans sound like a squadron of F-35’s taking off. Worst case for CW contesting isn’t too bad. Of course, you could remote it. 

73,
Scott K9MA 

----------

Scott Ellington

 --- via iPad

> On Mar 3, 2020, at 7:06 AM, "rjairam at gmail.com" <rjairam at gmail.com> wrote:
> 
> Nothing matches the speed of tuning of a solid state amp.
> 
> So, I'd go with the KPA1500.
> 
> 73
> Ria, N2RJ
> 
>> On Mon, 2 Mar 2020 at 22:44, Bill kollenbaum via CQ-Contest
>> <cq-contest at contesting.com> wrote:
>> 
>> Looking for a backup amp for the new station.  Probably going to run SO2R so auto-tune is important.  I'm running a K3S and the second radio will also be a K3S.  I really don't care if the amp "matches" the K3S in looks.  Like most of you guys I'm concerned about performance.  Both rigs are equal in price.
>> Here's the question:  If you were buying a new amp and were buying it to satisfy the above criteria, which would you choose and why?
>> K4XS
>> 
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