Crown Audio MB-200 Dépliant

Crown International, Inc.
1718 W. Mishawaka Rd.
Elkhart, IN 46517-9439
TEL: 574-294-8000
FAX: 574-294-8FAX
www.crownaudio.com

 

©2007 Crown Audio

®

, Inc. Specifi cations subject to change 

without prior notice. Latest information available at 
www.crownaudio.com. Mini-Boundary is a trademark, and 
Crown and Crown Audio are registered trademarks of Crown 
International.

2/07 

 

 

             103115-7

Please refer to the example in Fig. 7 for installation steps.

1.  Using the supplied mounting screws, mount the  MB-
100 or MB-200 interface to the underside of the table in 
the center.

Note: Interface should be installed within 30 ft (9.15 m) of 
microphone location.

2.  Plug the PTB connected to mics 1 and 2 into MIC 
1/MIC 2 IN, etc.

3.  Plug the PTB connected to mixer inputs 1 and 2 into 
MIC 1/MIC 2 OUT, etc.

4.  Plug the PTB connected to mic switches 1 and 2 into 
MIC 1/MIC 2 SWITCH, etc.

Warranty
Crown professional microphone products  are guaranteed 
against malfunction from any cause for a period of three 
years from date of original purchase. See enclosed war-
ranty sheet for additional information.

Service
If the microphones and interface do not function properly, 
fi rst double-check the PTB wiring and switch settings as 
described in this data sheet and in the microphone data 
sheets. Check for correct microphone orientation. 

If you determine the microphone product(s) is defective, 
return the complete product in it’s orignal packaging to: 
Crown Factory Service, 1718 West Mishawaka Road, 
Elkhart, IN 46517-9439. A Service Return Authoriza-
tion (SRA) is required for product being sent to the 
factory  for  service.  An  SRA  can  be  completed  on  line  at                 
www.crownaudio.com/support/factserv.htm. For further 
assistance or technical support call 800-342-6939. 

MIC 1

MIC 2

MIC 3

MIC 4

MB-100 OR MB-200 INTERFACE

(UNDER TABLE)

1.  If on/off switches are installed, turn each mic on in 
turn and talk into it while seated at the table. The LED 
should light when the mic is on (unless this function was 
disabled).

2.  Turn up the mixer volume control for that mic to the 
desired volume.

Architects’ and Engineers’ Specifi cations
The product shall be a Crown MB-100 (or MB-200) 
interface or equivalent. It shall power up to four Crown 
mini-boundary mics. The interface shall be powered by 18 
to 48 V phantom power.

The MB-100 shall provide programmable switching to turn 
the mic on or off if desired (switches not provided). The 
MB-200 interface also shall have remote switch sensing 
via an optical coupler.

Pluggable terminal blocks shall be provided for micro-
phone inputs. Pluggable terminal blocks also shall be 
provided for the balanced outputs on the interface, and for 
remote switch sensing. The Crown MB-100 and MB-200 
are specifi ed.

5.  If external switch-closure sensing is being used with 
the MB-200 interface, plug the PTB connected to the 
sensing circuits for mics 1 and 2 into EXTERNAL SWITCH 
CLOSURE SENSING (MIC 1/MIC 2), etc.

1

2

3

4

PTB

TO INTERFACE

“EXTERNAL SWITCH CLOSURE SENSING”

+

2K

9V

+

2K

9V

SENSING CIRCUIT

FOR MIC 2

SENSING CIRCUIT

FOR MIC 1

1 MIC 1 CIRCUIT +
2 MIC 1 CIRCUIT –

3 MIC 2 CIRCUIT +
4 MIC 2 CIRCUIT –