MPC 23
Acoustical Boundary Microphone
FEATURES
• Omnidirectional characteristic (180 coverage)
°
• Flat, wide frequency response
• High-quality reproduction of speech
• Unobtrusive design
• Ceiling or tabletop mounting
• Fast and easy installation
MPC 23 sw
MPC 23 SE
TECHNICAL SPECIFICATIONS
APPLICATIONS
Transducer type. . . . . . . . . . . . . . . . . . . Condenser
(back electret)
Operating principle. . . . . . . . . . . . . . . . Pressure
Frequency response . . . . . . . . . . . . . . . 50 - 20,000 Hz
Polar pattern . . . . . . . . . . . . . . . . . . . . . Half-spherical
The MPC 23 acoustical boundary microphone is designed for
mounting into tabletops and ceilings. The half-spherical
polar pattern is picked up in a uniform manner. The high
sensitivity guarantees a constant output level even from long
distance sources. Elastic bearing rings achieve mechanical
isolation from the mounting surface and therefore offer
effective sound isolation of the microphone.
Open circuit voltage
^
=
at 1 kHz (0 dB
1 V/Pa). . . . . . . . . . . . 16 mV/Pa
Nominal impedance . . . . . . . . . . . . . . . 200 Ω
Load impedance . . . . . . . . . . . . . . . . . . ≥ 1000 Ω
Max. SPL. . . . . . . . . . . . . . . . . . . . . . . . . 124 dB SPL
Signal-to-noise ratio rel. to 1 Pa . . . . . 60 dB
A-weighted equivalent SPL . . . . . . . . . 26 dB
Phantom power . . . . . . . . . . . . . . . . . . 8 - 52 V
Consumption. . . . . . . . . . . . . . . . . . . . . 3.4 mA
Connector . . . . . . . . . . . . . . . . . . . . . . . . 3-pin XLR male
Dimensions
Length . . . . . . . . . . . . . . . . . . . . . . . . . . . 74/67 mm
Shaft diameter . . . . . . . . . . . . . . . . . . . . M 20 x 1.5 thread
Head diameter . . . . . . . . . . . . . . . . . . . . 30 mm
Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . approx. 70 g
The MPC 23 is designed for applications such as tele/video
conferencing, recording or amplification of round table
discussions and wherever the microphone needs to be as
unobtrusive as possible.
VERSIONS
MPC 23 sw Half-spherical, black. . . . . . . . Order # 441.562
MPC 23 ws white. . . . . . . . . . . . . . . . . . . . Order # 441.570
MPC 23 SE
silver metallic effect,
microphone basket made of
acuraLine® Topmesh
double-layer fine meshed
wire weave . . . . . . . . . . . . . . . Order # 485.963
INSTALLATION
• Mounting hole with elastic bearing rings: Ø 24 mm (15/16")
• Mounting hole with elastic bearing rings: Ø 20 mm (13/16")
• Max. table- /ceiling thickness: 57 mm (2.25")
SUPPLIED ACCESSORIES
• Elastic bearing rings
Germany
United States
Great Britain
beyerdynamic GmbH & Co. KG
beyerdynamic Inc. USA
beyerdynamic U.K. Ltd.
Theresienstr. 8 · 74072 Heilbronn – Germany
Tel. +49 (0)7131 / 617-0 · Fax +49 (0)7131 / 617-224
56 Central Ave. · Farmingdale, NY 11735
Tel. +1 (631) 293-3200 · Fax +1 (631) 293-3288
17 Albert Drive · Burgess Hill RH15 9TN
Tel. +44 (0)1444 / 258258 · Fax +44 (0)1444 / 258444
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