Beyerdynamic Microphone MTS 67 User Manual

BEDIENUNGS-  
ANLEITUNG  
OPERATING  
INSTRUCTIONS  
NOTICE  
D’UTILISATION  
MTS 67  
Tischsprechstelle  
Desktop Microphone Unit  
Poste d’appel  
 
MTS 67/5  
The MTS 67/5 microphone unit is also powered with  
phantom power (24 to 48 volts). Depending on the application  
this microphone unit can be connected to a control desk if the  
microphone unit is operated by an external control contact or  
to a mixing amplifier if external devices are controlled.  
This is the connection of the 5-pin XLR-plug:  
Pin 1: Ground  
Pin 2: Audio+  
Pin 3: Audio-  
Pin 4: Control output Open Collector 50 mA / 55 V  
Pin 5: Control input floating connection to chassis  
Operation  
Adjustment operation mode  
The desired operation mode is set at the bottom of the  
microphone unit.  
• ON/OFF  
The microphone is switched on or off by  
pressing the microphone button.  
• PTT  
The microphone is switched on as long as  
the button is pressed.  
• PTM  
The microphone is switched off as long as the button is pressed  
(cough button).  
Adjustment Frequency Response  
The frequency response mode can be adjusted at the  
bottom of the microphone unit.  
• LIN  
Linear frequency response for highest  
fidelity of reproduction. This is the factory  
adjustment. The linear position is  
recommended for high voices.  
• 90 or 150  
Two-stage roll-off filter to reduce low-frequency noise and to  
compensate the close-talking effect. The 90 or 150 position is  
recommended for deep voices.  
9
 
Additional Functions of the MTS 67/5  
Control output - Control of external devices  
Pin 4 is an open collector control output to control exter-  
nal devices. When the microphone is activated the output is  
low-impedance to chassis (Pin 1). The maximum current is  
12 mA, the maximum voltage is 55 V, total power dissipation  
150 mW. If you want to connect higher loads, this output can  
also be used for the control of an additional switch.  
Example:  
If you connect the MTS 67/5 to the E 3300 mixing amplifier, the  
current programme (e.g. music) can be faded out and the  
microphone switched on for an announcement by pressing the  
microphone button.  
Control input - Control by external devices  
The microphone unit can be controlled by an external  
control contact connected to pin 5 (floating connection to chas-  
sis, pin 1). The operation can be remotely controlled by an oper-  
ator. Using the DIP switch located on the underside allows you  
to select between remote control operation (switch to “Remote  
control only”) or microphone button and remote control equal-  
ly (switch to “Remote and internal control”).  
Example:  
If you connect the MTS 67/5 to an operating console, video  
conference or media control system the microphone unit can  
be switched on and off centrally at the operation console, by  
the conference participant or by the media control system.  
Important!  
To connect the MTS 67/5 us a cable with the following structure:  
2 wires shielded (AF), 2 control lines and overall shield.  
Versions  
MTS 67/3 with 3-pin male XLR connector . . Order # 453.862  
MTS 67/5 with 5-pin male XLR connector . . Order # 454.168  
10  
 
Technical Specifications  
Transducer type . . . . . . . . . . . Condenser (back electret)  
Frequency response (linear) . . 60 - 19,000 Hz  
Polar pattern . . . . . . . . . . . . . Cardioid  
Open circuit voltage  
at 1 kHz . . . . . . . . . . . . . . . . . 16 mV/Pa  
Nominal impedance. . . . . . . . 180  
Load impedance. . . . . . . . . . . > 1 kΩ  
Max. SPL  
at f = 1 kHz, k < 1%. . . . . . . . 122 dB  
Signal-to-noise ratio  
rel. to 1 Pa . . . . . . . . . . . . . . . 60 dB  
A-weighted equivalent SPL . . approx. 26 dB  
Level attenuation Off / Mute  
(f = 1 kHz) . . . . . . . . . . . . . . . > 65 dB  
Supply voltage . . . . . . . . . . . . 24 - 52 V, phantom  
Power consumption . . . . . . . . 8.5 mA  
Connection MTS 67/3 . . . . . . . 3-pin male XLR  
Pin 1 = Shield  
Pin 2 = Audio+  
Pin 3 = Audio-  
Connection MTS 67/5 . . . . . . . 5-pin male XLR  
Pin 1 = Shield  
Pin 2 = Audio+  
Pin 3 = Audio-  
Pin 4 = Control output  
Open Collector 50 mA / 55 V  
Pin 5 = Control input  
floating connection to chassis  
Gooseneck length . . . . . . . . . 400 mm  
Dimensions (without microphone)  
L x W x H . . . . . . . . . . . . . . . . 190 x 104 x 52 mm  
Weight . . . . . . . . . . . . . . . . . . 770 g  
11  
 
Frequenzgang /  
Frequency Response Curve /  
Courbe de fréquence  
Schaltbilder /  
Wiring Diagrams /  
Diagrammes de câblage  
16  
 
Richtdiagramm /  
Polar Pattern /  
Directivité  
17  
 
NOTIZEN • NOTES  
18  
 
19  
 
 

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