PZM30 D | High-performance hemispherical boundary layer microphone
Crown PZM-30GP – Rock N Roll Vintage & Synth City
Crown PZM-11 Pressure Zone Microphone (Mic Level)
PZM Mics: How Do They Work? by Sweetwater - YouTube
What is the use of Boundary/PZM Microphones? | Martin Mitchell's Microphones
Crown PZM6D - Microphones
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.
Audio experts on microphone levels and pressure zone mics - EDN
Crown PZM 6LPB Boundary Microphone Mic PSU Case Vintage Rare | eBay
Crown PZM-185 Condenser Boundary Microphone – MSU Surplus Store
Crown Sound Grabber II | Sweetwater
Crown PZM-30D - Pressure Zone Microphone | RK Audio