Dave,

The Elecraft ProSet K2 does use an adapter that is Kenwood compatible, and will work just fine with the K3 or with a properly wired mic configuration header on the K2. The bias is applied to the AF output line and neither pin 5 nor pin 6 are used in the adapter.

73,
Don W3FPR

David Yarnes wrote:
Fred and All,

I believe the adapter supplied with the Elecraft Pro Set is a true Kenwood adapter. On the K2 you wired the radio for whatever microphone you wanted. If you wanted to use a Kenwood microphone setup you wired the K2 accordingly. That would put bias on pin 5. The Elecraft Pro Set, which is an electret with the "IC" cartridge, was deemed to be fully "Kenwood compatible, and so they just supplied a Kenwood adapter with the Pro Set, and that worked fine on a K2 wired for Kenwood. Along comes the K3, with bias preset on pin 6, and they are still sending out the Kenwood adapter. I think that's why it doesn't work for you. I have the Elecraft Pro Set also, and I just use the jacks on the back of the K3--no adapter used.

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