[Elecraft] KX3 (or, K3) 2-meter solid-state amplifier

[Richard W. Solomon]

Have you looked at Hammond boxes ? Fairly heavy aluminum.

73, Dick, W1KSZ

-----Original Message-----
From: Elecraft [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Phil Hystad
Sent: Monday, September 21, 2015 4:14 PM
To: Kevin Stover
Cc: elecraft at mailman.qth.net
Subject: Re: [Elecraft] KX3 (or, K3) 2-meter solid-state amplifier

Kevin,

Yes, I know of W6PQL.  In fact, on my first version of the message I posted, I made a few comments about the 80-watt 2-meter amp.  But, I thought that would be too much in one message so I did not include it.

I was planning to build the W6PQL 80-watt amp and was already to order the commercial PCB fitted out with the SMT parts which is still a good deal.  But, and this was the thing that stopped me, I could not find a descent utility cabinet for the amp.  W6PQL lists instructions and templates for making your own but I have tried that before.  Without a bending brake it gets really sloppy in forming the box.  I can cut the right gauge aluminum no problem.  I even looked into buying those little corner bracket things that Elecraft uses in their kits for joining two sides at 90-degrees.  But, it would have cost almost $50 for those alone (Elecraft charges pretty pennies, lots of them, for those parts).

I am still on a half-way hunt for a good box.  I have even scoured the local ham-fests this year looking for something that might work well without too much trouble — didn’t find anything.  The boxes that are offered by various electronic parts suppliers just don’t seem suitable — they would be a very last resort.

73, phil, K7PEH


> On Sep 21, 2015, at 3:43 PM, Kevin Stover <kevin.stover at mediacombb.net> wrote:
> 
> If you're not averse to soldering here is a solution which I guarantee will be less expensive that anything Elecraft can or will produce. No fancy Auxbus, no standing on one leg and cooking your breakfast while singing the national anthem, it's just an amplifier with RF detect or key line PTT.
> 
> http://www.w6pql.com/2_meter_80w_all_mode_amplifier.htm
> 
> 10W in 80-100W depending on how the Toshiba S-AV36 is biased.
> 
> 
> On 9/21/2015 5:12 PM, Gary wrote:
>> Uncle Phil,
>> 
>> Absolutely.
>> 
>> I am contemplating purchasing a clean 2m amp to give me 100w output from a 2m internal transverter in my K3.
>> I would get on that pre-order list from day one.
>> I hope Eric & Wayne will do this.
>> Gary
> 
> 
> --
> R. Kevin Stover
> AC0H
> ARRL
> FISTS #11993
> SKCC #215
> NAQCC #3441
> 
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