Afterthought: With the VX-6R/7R screw in jack also having issues with MH-73A4B mic/speaker it was suggested to try plugging without the O-ring to see if a difference is made.
Afterthought: With the VX-6R/7R screw in jack also having issues with MH-73A4B mic/speaker it was suggested to try plugging without the O-ring to see if a difference is made.