I found mine at Radio Shack They may still have one or you can go to the BUTEL web site they may have some also if I had an extra one I would give it to you .
mhscan, I've moved your question to its own thread in the Radio Shack forum since its not a software question and it didn't have much to do with the original question asked.
In the interest of accuracy, the stereo-to-mono adapter MAY be used with the PRO-96 but is not required. Refer to the all-things-GRE guru's Programming Cable Information page at StarrSoft.com.