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Crown International
P.O. Box 1000
Elkhart, IN 46515-1000
TEL: 574-294-8000
FAX: 574-294-8FAX
www.crownaudio.com
©
2002 Crown Audio, Inc.
Specifications subject to change without prior notice.
Latest information available at www.crownaudio.com.
Crown, PZM and Pressure Zone Microphone are
registered trademarks of Crown International. Pres-
sure Recording Process
™
is a trademark of E. M. Long
Associates.
7/02 127006-4
8. If you plan to use a cable connector, solder
the other end of the mic cable to a 3-pin
professional audio connector (XLR-type).
Solder the cable shield to pin 1, light-colored
lead to pin 2, and darker lead to pin 3.
9. If you plan to use a cable connector, con-
nect the 3-pin pro audio connector to the
input of a phantom power supply. Crown
makes a PH-4B phantom power supply (4
channels, AC-powered) and PH-1A phantom
power supply (1 channel, battery or AC-
adapter powered).
PZM-11 Schematic
–
ELECTRICAL
BOX
NUTS
CHASSIS
LONG
SCREWS
MIC
CABLE
FACEPLATE
SCREW
Fig. 3
10. Connect the output of the phantom supply
to your equipment mic input. Or, if your mic
input has phantom power built in, simply
connect the mic cable to the mic input.
11. If the mic cable is run in metal conduit,
ground loops might occur that can cause hum.
If hum is present after installation, remove the
ground-lift jumper (labeled GND LIFT) on the
printed-circuit board.
Architects’ and Engineers’ Specifications
The microphone shall be the Crown Model
PZM-11 or equivalent. The microphone shall
be a Pressure Zone Microphone, electret-
condenser type, with built-in electronics inter-
face. The microphone capsule holder shall be
mounted on a standard switch plate. The
microphone shall be powered from 12-48V
phantom power. The output shall be low im-
pedance balanced. Frequency response shall
be from 80 Hz to 20,000 Hz. Low frequencies
below the voice range shall be rolled off. Open-
circuit sensitivity shall be 5 mV/Pa (–46 dB
re 1V/Pa). Maximum SPL capability shall be
120 dB SPL at 3% THD. Equivalent noise shall
be 26 dBA typical (0 dB = .0002 dyne/cm
2
).
The Crown model PZM-11 microphone is
specified.
Warranty
Crown professional microphones are guaran-
teed against malfunction for a period of three
years from date of original purchase. See
enclosed warranty sheet for additional infor-
mation.
Service
If the unit fails to work, first replace or repair
the mic cables and check the power supply.
Recheck your connections to the microphone
screw terminals. If service is required, return
the microphone and the electronic interface in
the original packaging to Crown Factory Ser-
vice, 1718 West Mishawaka Road, Elkhart,
IN 46517. For further assistance or technical
support call 800-342-6939.
PZM-11
®