Conferencing and Discussion Systems
BM 6620 Boundary Mic
USER GUIDE
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DIS Digital Conference System
User Manual
General
Description
The BM 6620 is a low-profile omnidirectional,
condenser boundary microphone designed to fit
into the flush mounted conference units in the
DIS DCS 6000 Digital Conference System.
boundary microphone in the plastic adaptor. The
molex mini connector fits with the microphone
connector on the PCB.
It can also be ordered (customized) for other
FC/FD and FC/FD 6xxxF units and delivered
already mounted in the units.
The BM 6620 is available for retrofit in the
standard flush mounted units FC 602xF and FD
612xF by replacing the XLR socket with the
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DIS Digital Conference System
User Manual
Installation
For the installation of BM 6620 do the following:
Undo the three M3 nuts holding the XLR to the plate
Remove the XLR
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DIS Digital Conference System
User Manual
Turn over the XLR. Undo and remove the two T8 torx screws and the 3mm Alan bolt
Separate the connector section from the XLR chassis
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DIS Digital Conference System
User Manual
Remove the plastic “lock” insert
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DIS Digital Conference System
User Manual
Put the XLR chassis back onto the front plate
Fasten the XLR chassis to the from plate with the 3 M3 nuts.
Now insert the boundary mic into the sleeve of the XLR chassis and then tighten the 3 Allen screws on the
bottom of the mic; this will cause the mic’s rubber sleeve to expand into the XLR chassis and hold it in
place. Connect the boundary mic to the PCB.
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DIS Digital Conference System
User Manual
Technical Specifications
Electrical
Transducer type .... Permanently polarized condenser
Polar pattern...... Omnidirectional, 360° pickup angle
Frequency response ........................40 Hz - 18 kHz
Sensitivity ................. -42 dB (7.9 mV), 1 V at 1 Pa
Maximum input sound level .................142 dB SPL,
................................................. 1 kHz at 1% THD
Impedance ...........................................200 ohms
Signal-to-noise ratio ............... 64 dB, 1 kHz at 1 Pa
Dynamic range........112 dB, 1 kHz at maximum SPL
Connectors
Connector type .....................Molex mini connector
Mechanical
Mounting fixed in DIS DCS 6000 flush mounted units
Dimensions (L x D) ..................181.5 mm x 19 mm
Weight ........................................................ 63 g
Color .......................................................... Black
Specifications are subject to change without
notice.
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DIS Digital Conference System
User Manual
United States, Canada, Latin
America, Caribbean:
Shure Incorporated
5800 West Touhy Avenue
Niles, IL 60714-4608
USA
Europe, Middle East, Africa:
Asia, Pacific:
Shure Europe Gmbh
Jakob-Dieffenbacher-Str. 12
75031 Eppingen
Shure Asia Limited
22/F, 625 King's Road
North Point, Island East,
Hong Kong
Germany
Phone: (+852) 2893-4290
Fax: (+852) 2893-4055
Email: [email protected]
Phone: +49 (0) 7262-9249-100
Fax: +49 (0) 7262-9249-114
Email: [email protected]
Phone: +1 847 600 2000
Fax: +1 847 600 1212 (USA)
Fax: +1 847 600 6446
Email: [email protected]
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