Beyerdynamic Microphone MPC 23 SE User Manual

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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