| Digest Nr | Subject and Author |
 |
| 2008.08.24.03 | Use External Microphone for Video Camera, from Michael Woolf |
| 2008.07.17.04 | Microphone for Recording a Disc Musical Box, from Mark Singleton |
| 2008.07.16.02 | Microphone for Recording a Disc Musical Box, from Jim Katz |
| 2008.07.16.01 | Microphone for Recording a Disc Musical Box, from Mark Singleton |
| 2008.07.15.02 | Microphone for Recording a Disc Musical Box, from Bob Riopel |
| 1999.03.22.02 | More Microphone Gain for Sound Card, from Pete Woodworth |
| 1999.03.19.09 | More Microphone Gain for Sound Card, from Don Elbers |
 |