PR6 preamp $55 working fine when K3 was upgraded RRMTCBL remote rig cable set unopened $35 RRMINICBL K3/0 cable set unopened $35 >From K3 upgrade old parts: E850645 KIO3B , E85646 IO Module, E850647 Audio IO module, E850702 KIO3B panel, E850741 hardware $25 By them all as a bundle $80 73 John N5CQ