Shure BM 6620 User manual

@2015 Shure Incorporated
User Manual BM 6620.docx
Conferencing and Discussion Systems
BM 6620 Boundary Mic
USER GUIDE

DCS 6000 Digital Conference System User Manual
@2015 Shure Incorporated User Manual BM 6620.docx
Table of Contents
Table of Contents .................................... 2
General .................................................... 3
Description ........................................... 3
Installation.............................................. 4
Technical Specifications .......................... 8
Electrical ............................................... 8
Connectors ............................................ 8
Mechanical ............................................ 8

DIS Digital Conference System User Manual
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General
Description
The BM 6620 is a low-profile omnidirectional,
condenser boundary microphone designed to fit
into the flush mounted conference units in the
DI DC 6000 Digital Conference ystem.
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
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.

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Installation
For the installation of BM 6620 do the following:
Undo the three M3 nuts holding the XLR to the plate
Remove the XLR

DIS Digital Conference System User Manual
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Turn over the XLR. Undo and remove the two T8 torx screws and the 3mm Alan bolt
eparate the connector section from the XLR chassis

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Remove the plastic “lock” insert

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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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Refer to etup section for information in how to setup the system using the above menus.
Technical Specifications
Electrical
Transducer type .... Permanently polarized condenser
Polar pattern ...... Omnidirectional, 360° pickup angle
Frequency response ........................ 40 Hz - 18 kHz
ensitivity ................. -42 dB (7.9 mV), 1 V at 1 Pa
Maximum input sound level ................. 142 dB PL,
................................................. 1 kHz at 1% THD
Impedance ........................................... 200 ohms
ignal-to-noise ratio ............... 64 dB, 1 kHz at 1 Pa
Dynamic range ........ 112 dB, 1 kHz at maximum PL
Connectors
Connector type ..................... Molex mini connector
Mechanical
Mounting fixed in DI DC 6000 flush mounted units
Dimensions (L x D) .................. 181.5 mm x 19 mm
Weight ........................................................ 63 g
Color .......................................................... Black
Specifications are subject to change ithout
notice.

DIS Digital Conference System User Manual
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