I noticed a severe hum (60cycle) hum in the K2 after testing a Heath hw101
. it appeared that i had damaged the front end of the K2 ,and after some
alarm and checking all things i discovered that i had moved a Small Alarm Clock
120vac near the K2 and it was causing all the problem . I have heard about
similar problems with Power Supplies near the rig but this is a new one ! It
sure caused me some grief for awhile (hi)
So keep all ac coils , Xmfrs, clocks ,etc away from the K2 !
72,73, Jerry K9UT #1273
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