I just received my new KPA1500 last Thursday.  Ser. No. 316.  I ordered it in Visalia on April 20.

Tested it out on all bands and I am a very happy camper.  I decided to place the power supply about 8 inches to the left of my K3 on a small shelf.

I discovered that on 15 M, 21.020, I get a major switching power supply noise. The noise level as seen on my P3 goes up to S3.

Has anyone else seen this?  All the other bands are OK.  I gave the amp a very good test during the IARU contest. Temp never got above 74 C. Fan comes on at 60.  I received it with 01.63 firmware.

Thanks,

--
Don Minkoff
NK6A

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