[Elecraft] KX3 Heat Sink

[Wayne Burdick]

David,

The new heat sink roughly doubled key-down time in our lab tests. I’d suggest you try it as-is before investing in a third-party heat sink. I use RTTY at full power on my KX3 with just the new stock heat sink and have never had an issue.

73,
Wayne
N6KR


> On Aug 4, 2017, at 2:08 PM, k1szo at k1szo.com wrote:
> 
> Hi Jim,
> 
> I recently purchased my KX3 and intend on doing a lot of digital modes.  I looked into 3rd party heatsinks, but was notified that Elecraft uses a new improved heatsink that wraps around the bottom of the KX3.
> 
> So my question to you is, do you have the newer KX3 Elecraft heatsink or the older model?  I was going to work mine first to see how hot it gets before making a move if the newer heatsink is acceptable.   I can't find any reviews of it.
> 
> I will definitely be watching this thread to figure out if I too want to purchase the 3rd party Pro Audio Engineering KX32 Ultimate Heatsink as a replacement.
> 
> Regards,
> David ~ K1SZO
> 
> On 2017-08-04 14:10, Jim Ruff via Elecraft wrote:
>> I've been doing a lot of FT-8 using my KX3 and my KXPA100 at 20 watts,
>> and have noticed that the KX3 is heating up quite a bit and is almost
>> hot to the touch.  The KXPA100, while warm, appears to be okay. 
>> Should I consider purchasing a heat sink for the the KX3? If so, what
>> products in your opinion are the best?
>> Thanks,JimW7JHR
>> Sent from Yahoo Mail. Get the app
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