[Elecraft] Wish I had a KAT1500

[Eric Swartz - WA6HHQ, Elecraft]

Folks - If the untuned SWR presented to the KAT500 is above 3:1 or so at a KW 
and above, it will automatically go into bypass to protect its components.

Eric
/elecraft.com/

On 11/27/2018 12:15 PM, Victor Rosenthal 4X6GP wrote:
> I would worry about exceeding voltage ratings on capacitors even if it was 
> pre-tuned. I believe in judiciously exceeding ratings of conservatively rated 
> devices, but this doesn't seem "judicious!"
>
> 73,
> Victor, 4X6GP
> Rehovot, Israel
> Formerly K2VCO
> CWops no. 5
> http://www.qsl.net/k2vco/
>
> On 27/11/2018 21:53, Bill Johnson wrote:
>> If you manually tune at low power first, then there should rarely be
>> an  issue.  Frequency hopping with the segments memorized should
>> yield good results as well.  If there are changes in the antenna due
>> to wind, moisture, reaction to other materials, etc., then one can
>> expect the tuning to need adjustment even if recently tuned.
>>
>> As you probably know, there is more to tuning than just an SWR
>> reading. I do not hesitate running my KPA1500 into 1.7 to 1 as
>> indicated on my W2 without retuning.
>>
>> 73, Bill K9YEQ
>>
>> https://wrj-tech.com/
>>
>> -----Original Message----- From: elecraft-bounces at mailman.qth.net
>> <elecraft-bounces at mailman.qth.net> On Behalf Of Victor Rosenthal
>> 4X6GP Sent: Tuesday, November 27, 2018 1:43 PM To:
>> donwilh at embarqmail.com; Elecraft Reflector
>> <elecraft at mailman.qth.net> Subject: Re: [Elecraft] Wish I had a
>> KAT1500
>>
>> My somewhat unique antenna system presents SWRs up to about 8:1 on
>> some bands, so this would be kind of limiting.
>>
>> 73, Victor, 4X6GP Rehovot, Israel Formerly K2VCO CWops no. 5 
>> http://www.qsl.net/k2vco/ On 27/11/2018 18:39, Don Wilhelm wrote:
>>> Vic,
>>>
>>> From what I have heard, the KAT500 will handle 1500 watts, but at
>>> an SWR of only 3:1 - that is the same as the ATU in the KPA1500 can
>>> handle. At lower power (its rated power of 500 watts) the KPA500
>>> will tune a 10:1 SWR.
>>>
>>> 73, Don W3FPR
>>>
>>> On 11/27/2018 10:32 AM, Victor Rosenthal 4X6GP wrote:
>>>> I am using an older Palstar AT-Auto automatic tuner. It has a
>>>> coil and capacitor operated by stepper motors. When it works,
>>>> it's fine; but it requires a lot of maintenance and fiddling.
>>>> What I need is something that works as well as the KAT3 in my K3;
>>>> quick, trouble-free, and good for a 10:1 SWR on HF.
>>>>
>>>> Oh yes, it has to handle 1.5 kW, too.
>>>>
>>>> If Elecraft would beef up the KAT500 to meet the above specs, I'd
>>>> buy one.
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