I have a significant feedback problem with my K2/KPA100. When
transmitting there feedback (sounds as clear and as loud as a PA system)
through an attached external speaker. The only partial solution I have
found is to use a sea rate power supply for the K2 and NOT connect the
power supply to ground. This makes a noticeable reduction in the
feedback. However, as soon as I attach the power supply to ground the
feedback returns. It seems there should be a solution other than not
connecting the power supply to ground.
Suggestions and help will be gratefully appreciated.
Dave Fleming KB3HCL
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