Fwd: Re: [Elecraft-K3] KPA-1500 sonics

[Bob McGraw - K4TAX]

N.S.

I typically run my KPA500 fan on #1 when operating FT-8.  It will ramp
up to #3 when the temp reaches 60°C  and during extended exchanges, but
quickly ramps back down to #2.   I don't find this at all
objectionable.    I've never seen the TEMP above 60°C or so.      And at
#1 the fan is hardly noticed. For SSB and CW I run the fan on NORMAL.   
My station is on one level, side by side in a bookshelf arrangement.  
Thus it is close by my listening position.      The computer and desk is
to the right, only 2 ft from the radio.   Just my findings and observation.

I'd say from your QRZ picture, the amp being in the corner of the room
allow the corner to act like a large horn.  That does one no favors for
the sonics.

73

Bob, K4TAX


On 8/26/2019 10:25 PM, N S via Groups.Io wrote:

> My KPA500 is really noisy when on digital modes.  I like Olivia, PSK
> and JS8Call, all of which cause the amps fans to go on high.  Sounds
> like a jet engine.  If you can't tuck it away in a well vented closet
> then all I can say is good luck.   I don't think I'll upgrade to the
> 1500 but rather look for a fully automatic tube amp next.  Much
> quieter and more robust.
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