Realistic PZM Pressure Zone Microphone 33-1090B Japan Vintage Mic Fully Tested | eBay
PZM!: The inexpensive mic that can do a lot! | Tape Op Magazine | Longform candid interviews with music producers and audio engineers covering mixing, mastering, recording and music production.
Radio Shack PZM Microphone Shack VLOG 7 - YouTube
Pressure Zone Microphones - History and other information