Situation: 4 guys talking around a table with a small mono tape casette recorder on the table using the built in mic. This is a teacher-student conference. Results: Two guys come out with adequate volume, two don't. Goal: Get all four people recorded with adequate volume. Constraints: Can't bring in extensive or expensive audio mixing and recording gear. I have Shure 58 mics but don't know if and how they could be integrated. I am the student and am limited to how much I can alter the "status quo" of the way things are done.