Tech Notes from Josephson Engineering provide detailed information on selection, use, and maintenance of microphones. Some are are available online here, others will be available soon.

TN5 Optimum Stereo Signal Recording with the Jecklin Disk

TN6 Application of Measurement Microphones for tips on making accurate measurements, specifically for speaker performance testing.

TN7 Using the C-700

TN8 Using Josephson Series 5 Mics with SysID discusses interface and calibration with Bell Labs' SysID software running on Ariel DSP-16+ hardware.

TN9 Using Modern Microphones with 'Classic' preamps

TN10 Microphone Amplifier Design, or, 'Why does my C715 (or e22S) have such a low output?'

TN13 Microphone Cables, Patching and Powering

Microphone Specifications Based on some talks given at Audio Engineering Society conventions, the late Zenon Schoepe of Resolution Magazine asked for a summary article on microphone specifications. It appeared in the March 2011 issue.

Legacy Microphones Josephson Engineering has manufactured microphones in California since 1988. One that was made only in a limited edition and no longer available is the C720 20th Anniversary model. It's a different approach to the Series Seven adjust-pattern-in-mixdown idea, you can read the manual here.