KPA1500 Review on eHam

How about in a RTTY contest where most SS amps need super high fan speeds to
keep cool?


John

Ed Muns wrote:
This is one of the downsides of the KPA1500.  Unlike other amps, it feels
like QRP when it's putting out 1.5 KW.

Ed W0YK

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[Don Wilhelm]

John,

The KPA1500 fans are relatively quiet - they move a lot of air at lower
fan speeds.
However, the power supply fans put up a bit of noise, so shipment was
delayed while the fans for the power supply were reworked with larger
fans to keep it quiet.

I have only heard the fans while visiting the Elecraft lab, so take the
information provided by K6XI's eham review as a better authority than my
comments.

73,
Don W3FPR

On 1/15/2018 7:34 PM, [hidden email] wrote:
> How about in a RTTY contest where most SS amps need super high fan speeds to
> keep cool?
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[markmusick]

The ship date was moved again to late January to the first of February after
Wayne decided the fans on the RF deck needed to be reworked the same way as
the fans on the power supply.

73,
Mark, WB9CIF

-----Original Message-----
From: [hidden email]
[mailto:[hidden email]] On Behalf Of Don Wilhelm
Sent: Tuesday, January 16, 2018 12:52 AM
To: [hidden email]; 'Elecraft Reflector' <[hidden email]>
Subject: Re: [Elecraft] KPA1500 Review on eHam

John,

The KPA1500 fans are relatively quiet - they move a lot of air at lower fan
speeds.
However, the power supply fans put up a bit of noise, so shipment was
delayed while the fans for the power supply were reworked with larger fans
to keep it quiet.

I have only heard the fans while visiting the Elecraft lab, so take the
information provided by K6XI's eham review as a better authority than my
comments.

73,
Don W3FPR

On 1/15/2018 7:34 PM, [hidden email] wrote:
> How about in a RTTY contest where most SS amps need super high fan
> speeds to keep cool?
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[k6dgw]

With all the anticipation of shipment of the KPA1500, I'm reminded of a
Marine BG who had been on our case to propose a faster delivery
schedule.  I finally told him, "Sir, old engineering maxim, 'Good, Fast,
Cheap, choose two'."  He went with "good" and "cheap."  Marines always
seemed to make the most out of the least money.

73,

Fred ["Skip"] K6DGW
Sparks NV DM09dn
Washoe County

On 1/15/2018 6:21 PM, Mark E. Musick wrote:
> The ship date was moved again to late January to the first of February after
> Wayne decided the fans on the RF deck needed to be reworked the same way as
> the fans on the power supply.
>
> 73,
> Mark, WB9CIF
>

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[Bob Stevens-3]

I guess we should be glad he insists on getting it right before shipping. I will content my self with the 500 for now. It really does all I need done anyway, just would like the extra power since I downsized from the Collins S line with the 30S1.

Sent from my iPad

On Jan 15, 2018, at 8:21 PM, Mark E. Musick <[hidden email]> wrote:

The ship date was moved again to late January to the first of February after
Wayne decided the fans on the RF deck needed to be reworked the same way as
the fans on the power supply.

73,
Mark, WB9CIF

-----Original Message-----
From: [hidden email]
[mailto:[hidden email]] On Behalf Of Don Wilhelm
Sent: Tuesday, January 16, 2018 12:52 AM
To: [hidden email]; 'Elecraft Reflector' <[hidden email]>
Subject: Re: [Elecraft] KPA1500 Review on eHam

John,

The KPA1500 fans are relatively quiet - they move a lot of air at lower fan
speeds.
However, the power supply fans put up a bit of noise, so shipment was
delayed while the fans for the power supply were reworked with larger fans
to keep it quiet.

I have only heard the fans while visiting the Elecraft lab, so take the
information provided by K6XI's eham review as a better authority than my
comments.

73,
Don W3FPR

> On 1/15/2018 7:34 PM, [hidden email] wrote:
> How about in a RTTY contest where most SS amps need super high fan
> speeds to keep cool?
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[Ed Muns]

Not an issue with the KPA1500.  That's my point.
73,Ed W0YK
-------- Original message --------From: [hidden email] Date: 1/15/18  4:34 PM  (GMT-08:00) To: 'Elecraft Reflector' <[hidden email]> Subject: [Elecraft]  KPA1500 Review on eHam
How about in a RTTY contest where most SS amps need super high fan speeds to
keep cool?


John

Ed Muns wrote:
This is one of the downsides of the KPA1500.  Unlike other amps, it feels
like QRP when it's putting out 1.5 KW.

Ed W0YK

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[briancom]

Guess guys will have to be content with trying to work Bouvet with their
old amp or 100 W.

73 de Brian/K3KO
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Awesome - I want one!

John KK9A

Sent via the Samsung Galaxy 7 edge, an AT&T 4G LTE smartphone.

On Mon, Jan 15, 2018 at 10:14 PM, Ed W0YK <[hidden email]> wrote:

> Not an issue with the KPA1500.  That's my point.
>
> 73,
> Ed W0YK
>
> -------- Original message --------
> From: [hidden email]
> Date: 1/15/18 4:34 PM (GMT-08:00)
> To: 'Elecraft Reflector' <[hidden email]>
> Subject: [Elecraft]  KPA1500 Review on eHam
>
> How about in a RTTY contest where most SS amps need super high fan speeds
> to
> keep cool?
>
>
> John
>
> Ed Muns wrote:
> This is one of the downsides of the KPA1500.  Unlike other amps, it feels
> like QRP when it's putting out 1.5 KW.
>
> Ed W0YK
>
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[hidden email]
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to [hidden email]
>

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