Page 1
beyerdynamic GmbH & Co. KG
Theresienstr. 8 | 74072 Heilbronn – Germany
Tel. +49 (0) 71 31 / 617 - 0 | Fax +49 (0) 71 31 / 617 - 204
info@beyerdynamic.de | www.beyerdynamic.com
For further distributors worldwide, please go to www.beyerdynamic.com
Non-contractual illustrations. Contents subject to change without notice. E1 / Orbis MU 21 (01.15)
Orbis MU 21
Digital Delegate Microphone Unit with Loudspeaker
Order # 725.706
FEATURES
• Coated plastic housing with metal bottom plate
• Inserts made of optically hardened acrylic glass
• 5-pin XLR connection with hidden lock for
removable Classis gooseneck microphone
in different lengths
• Red LED on the gooseneck microphone displays ready-to-speak
status
• Microphone button to turn the microphone on or off
• Three-coloured backlit silicone microphone button:
White = microphone unit on
Green = microphone on
Red = request-to-speak entered, microphone still off
• Voice-controlled activation of the microphone possible
• Integrated loudspeaker with voice equalisation
• Loudspeaker is automatically turned off when microphone is
turned on
• Headphone output (3.5 mm stereo jack) with control to select
volume and channel (original and 1 AUX-IN e.g. foreign language
channel)
• Two RJ45 sockets to connect to the control unit or to another
microphone unit/system unit
• Automatic power off when the control unit is turned off
• Two holes on the bottom plate for permanent attachment to a
table (theft protection)
• Configuration as semi chairman microphone unit or press unit
via Orbis CU control unit
1 of 9
Supplied without gooseneck microphone
Page 2
Orbis MU 21
DESCRIPTION
The Orbis MU 21 delegate microphone unit is equipped with one
microphone button in the housing, with which the participant can
turn the microphone on or off. The ready-to-speak status of the
microphone is displayed by the red LED on the gooseneck microphone and the green backlit microphone button.
Depending on the configuration of the Orbis CU control unit one of
the following operating modes is possible:
Normal
Each participant can turn on his/her microphone until the maximum
number of open microphones is achieved.
FiFo
Each participant can turn on his/her microphone. If the selected
number of open microphones (NOM) is exceeded, the microphone
of the participant who turned on his/her microphone first is turned
off when another participant turns on his/her microphone.
Voice-controlled Activation
The microphone is automatically turned on when the participant
speaks into it, until the number of open microphones is achieved.
The microphone unit’s design follows the UN convention on the
rights of persons with disabilities. It includes silicone buttons with
tactile feedback and Braille marking. A headphone or induction loop
for people with a hearing aid can be connected to the mini jack
output. The volume of the headphone is adjusted with a separate
control. Furthermore, by pressing the volume control the participant
can toggle between two channels (e.g. original and 1 AUX-IN e.g.
foreign language channel).
The integrated loudspeaker reproduces the audio signal of the
whole conference system. When the participant turns on the
microphone, the loudspeaker is automatically turned off to avoid
feedback.
The microphone units are connected in a daisy chain to the Orbis CU
control unit, i.e. the first microphone unit is connected to the
control unit, the second microphone unit is connected to the first,
the third microphone unit to the second and so on. For connection
standard Cat5e cables (S/UTP, AWG 26 or better) are used. Thus,
one cable ensures the audio transmission, power supply and control.
The microphone units are very economical and use 1 watt at maximum in operation at maximum volume.
Connection to a control unit without redundancy
A maximum of 50 microphones can be connected to one of the
two lines of the Orbis CU control unit, i.e. a total of 100 microphone units can be operated with one Orbis CU control unit.
Connection to a control unit with redundancy
A maximum of 50 microphone units is connected in a ring to the
Orbis CU control unit, i.e. the last microphone unit is connected to
the previous microphone unit and the control unit. The redundancy
provides maximum reliablility. Should a defect in a cable occur at
one side of the microphone unit, the microphone unit will not fail
to operate, because it will still be supplied via the cable from the
other side. The cable in question or a defect microphone unit as
well can be replaced during operation without causing any
problems with the other microphone units.
The threads at the bottom of the microphone unit allow the unit to
be attached to a tabletop by using screws. In this way the microphone unit is protected against theft.
beyerdynamic GmbH & Co. KG
Theresienstr. 8 | 74072 Heilbronn – Germany
Tel. +49 (0) 71 31 / 617 - 0 | Fax +49 (0) 71 31 / 617 - 204
info@beyerdynamic.de | www.beyerdynamic.com
For further distributors worldwide, please go to www.beyerdynamic.com
Non-contractual illustrations. Contents subject to change without notice. E1 / Orbis MU 21 (01.15)
2 of 9
OPTIONAL ACCESSORIES
Gooseneck microphones
Classis GM 115 Q Condenser gooseneck microphone
(electret), cardioid, matt black,
500 mm [19.69"]. . . . . . . . . . Order # 726.095
Classis GM 313 Q Condenser gooseneck microphone
(electret), with Scudio®technology,
cardioid, matt black,
300 mm [11.81"]. . . . . . . . . . Order # 724.203
Classis GM 314 Q same as above,
but 400 mm [15.75"] . . . . . . . Order # 724.211
Classis GM 315 Q same as above,
but 500 mm [19.69"] . . . . . . . Order # 724.238
Classis GM 316 Q same as above,
but 600 mm [23.62"] . . . . . . . Order # 724.351
Cables
CA OC 1 System cable, CAT5 with
RJ45 connector, 1 m [3.28 ft] . Order # 725.811
CA OC 2 same as above,
but 2.5 m [8.20 ft] . . . . . . . . . Order # 725.838
CA OC 5 same as above,
but 5 m [16.4 ft] . . . . . . . . . . . Order # 725.846
CA OC 10 same as above,
but 10 m [32.81 ft] . . . . . . . . . Order # 725.854
CA OC 20 same as above,
but 20 m [65.62 ft] . . . . . . . . . Order # 725.862
CA OC 50 same as above,
but 50 m [164.04 ft] . . . . . . . . Order # 725.889
IL 200 Induction loop,
cable length 20 cm [7.87"],
extension cable 77 cm [30.31"],
mini stereo jack plug
(3.5 mm) . . . . . . . . . . . . . . . . Order # 725.161
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Orbis MU 21
beyerdynamic GmbH & Co. KG
Theresienstr. 8 | 74072 Heilbronn – Germany
Tel. +49 (0) 71 31 / 617 - 0 | Fax +49 (0) 71 31 / 617 - 204
info@beyerdynamic.de | www.beyerdynamic.com
For further distributors worldwide, please go to www.beyerdynamic.com
Non-contractual illustrations. Contents subject to change without notice. E1 / Orbis MU 21 (01.15)
3 of 9
TECHNICAL SPECIFICATIONS
General
Voltage supply
via control unit. . . . . . . . . . . . . . Bus voltage (48 V DC)
Power consumption . . . . . . . . . . max. 1 W
Max. number of audio channels . . 2 useable channels per system
Signal-to-noise ratio. . . . . . . . . . 80 dB(V) typ., unweighted
(external voltage)
Integrated loudspeaker . . . . . . . equalised
Temperature range
(humidity < 90%) . . . . . . . . . . . +10 °C to +40 °C
[+50 °F to +104 °F]
Storage temperature
(humidity < 90%) . . . . . . . . . . . -20 °C to +55 °C
[-4 °F to +131 °F]
Dimensions
(without microphone) . . . . . . . . . Length: 140 mm [5.51"]
Width: 135 mm [5.31"]
Height: 42 mm [1.65"]
Weight. . . . . . . . . . . . . . . . . . . . 670 g [1.47 lbs]
Connections
System connection. . . . . . . . . . . 2x RJ45 socket
(not for Ethernet)
Max. cable length
Line CU – MU . . . . . . . . . . . . . . 80 m [87.49 yd] with AWG 24
Max. cable length
Line MU – MU . . . . . . . . . . . . . . 80 m [87.49 yd] with AWG 24
Specification line cable. . . . . . . . CAT5 S/UTP, cross-section min.
AWG 26
Specification line connector. . . . . RJ45 acc. to EIA/TIA 568 B,
shielded
Headphone output . . . . . . . . . . Mini jack socket (3.5 mm stereo)
Min. output impedance . . . . . . . 16 Ω, short-circuit proof
Frequency response . . . . . . . . . . 20 - 15,000 Hz
Microphone
Connector . . . . . . . . . . . . . . . . . 5-pin XLR male
Pin 1 = GND (ground)
Pin 2 = Audio +
Pin 3 = Audio -
Pin 4 = LED -
Pin 5 = LED Power (+5 V)
AB powering . . . . . . . . . . . . . . . 2.2 V (2.2 kΩ)
ARCHITECT’S SPECIFICATIONS
The wired digital desktop microphone unit shall be used as a
delegate version without microphone. The high-quality plastic
housing with matt black Alexit paint shall feature inlays made of
hardened acrylic glass and a metall bottom plate. The 5-pin XLR
connector with hidden lock shall connect gooseneck microphones
with integrated LED ring in different lengths.
The microphone unit shall be provided with a soft touch button
with tactile feedback for turning the microphone on/off or
entering a request-to-speak. The button shall be backlit in three
colours and labelled with braille writing.
Depending on the configuration of the control unit the following
operating modes shall be available: normal - each participant can
turn the microphone unit on or off; FiFo - the first microphone is
turned off, when the maximum number of open microphones is
exceeded; voice activation: as soon as someone speaks into the
microphone, it is automatically turned on.
Via the control unit the delegate microphone unit shall also be
configured as a chairman microphone unit with a fixed audio
channel (max. 8 chairman microphone units in a system) or as a
press unit (microphone cannot be turned on).
The microphone unit shall have an integrated wideband loudspeaker with voice equalisation for decentral sound reinforcement;
when the microphone is turned on, the loudspeaker is automatically
turned off. Furthermore, there shall be a headphone output
(3.5 mm stereo jack) with control for volume and channel selection
(original and AUX-IN, e.g. a foreign language channel).
The microphone unit shall be connected via two RJ45 sockets to
the control unit or another microphone/system unit. The
microphone unit shall have a variable cable routing with integrated
strain relief, which allows routing the cables discretely to the back
or downwards.
For a permanent mounting to a table (theft protection) there shall
be two drilled threads at the bottom of the microphone unit.
Dimensions (LxWxH): 140 x 135 X 42 mm. Weight: 670 g.
Manufacturer: beyerdynamic
Type: Orbis MU21
Page 4
Orbis MU 21
beyerdynamic GmbH & Co. KG
Theresienstr. 8 | 74072 Heilbronn – Germany
Tel. +49 (0) 71 31 / 617 - 0 | Fax +49 (0) 71 31 / 617 - 204
info@beyerdynamic.de | www.beyerdynamic.com
For further distributors worldwide, please go to www.beyerdynamic.com
Non-contractual illustrations. Contents subject to change without notice. E1 / Orbis MU 21 (01.15)
4 of 9
DIMENSIONS MICROPHONE UNIT
All dimensions in mm [inch]
135 [5.31]
59 [2.32]
29 [1.14]
38 [1.5]
7 [0.28]
9 [0.35]
7.3 [0.29]
14.30 [0.56]
115 [4.53]
14
[0.55]
43.2 [1.7]
139.6 [5.5]
max. screw depth
14 [0.55]
Rubber pad
Page 5
Orbis MU 21
beyerdynamic GmbH & Co. KG
Theresienstr. 8 | 74072 Heilbronn – Germany
Tel. +49 (0) 71 31 / 617 - 0 | Fax +49 (0) 71 31 / 617 - 204
info@beyerdynamic.de | www.beyerdynamic.com
For further distributors worldwide, please go to www.beyerdynamic.com
Non-contractual illustrations. Contents subject to change without notice. E1 / Orbis MU 21 (01.15)
5 of 9
GM 31X Q GOOSENECK MICROPHONE
DESCRIPTION
The GM 31x gooseneck microphone is available as optional
accessory to connect to the microphone unit.
Due to the cardioid polar pattern this microphone has a high gain
before feedback and provides highest intelligibility of speech.
The LED ring displays the ready-to-talk status of the microphone.
Inside the microphone there is a filter to eliminate wind and pop
noise.
The microphone features the innovative Scudio™ technology,
making the microphones absolutely insensitive to wireless
communication devices such as mobile phones.
The microphone is mounted on a 6 mm thick gooseneck and due to
its mat black, non-glare surface almost invisible.
The following lengths are available:
GM 313 Q = 300 mm [11.81"]
GM 314 Q = 400 mm [15.75"]
GM 315 Q = 500 mm [19.69"]
GM 316 Q = 600 mm [23.62"]
TECHNICAL SPECIFICATIONS
Transducer type . . . . . . . . . . . . . . . . Condenser (electret)
Operating principle. . . . . . . . . . . . . . Pressure gradient
Frequency response . . . . . . . . . . . . . 50 - 19,000 Hz
Polar pattern . . . . . . . . . . . . . . . . . . Cardioid
Open circuit voltage at 1 kHz . . . . . . 17 mV/Pa
Nominal impedance . . . . . . . . . . . . . < 200 Om
Loead impedance . . . . . . . . . . . . . . . ≥ 1 kOhm
Max. SPL . . . . . . . . . . . . . . . . . . . . . 107 dB [SPL @ 1% THD]
Signal-to-noise ratio/Noise voltage . . 69 dB [A] / 6.0 µV [A]
Equivalent SPL . . . . . . . . . . . . . . . . . 25 dB[A]
Microphone connection . . . . . . . . . . 5-pin XLR (male)
Head diameter with pop shield. . . . . approx. 26 mm [1.02"]
without pop shield . . . . . . . . . . . . . . approx. 13.6 mm [0.56"]
Gooseneck diameter . . . . . . . . . . . . 6 mm [0.24"]
Total length
GM 313 Q . . . . . . . . . . . . . . . . . . . . 270 mm [16.63"]
GM 314 Q . . . . . . . . . . . . . . . . . . . . 370 mm [14.57"]
GM 315 Q . . . . . . . . . . . . . . . . . . . . 470 mm [18.5"]
GM 316 Q . . . . . . . . . . . . . . . . . . . . 570 mm [22.44"]
GM 313 Q GM 314 Q GM 315 Q GM 316 Q
Page 6
Orbis MU 21
beyerdynamic GmbH & Co. KG
Theresienstr. 8 | 74072 Heilbronn – Germany
Tel. +49 (0) 71 31 / 617 - 0 | Fax +49 (0) 71 31 / 617 - 204
info@beyerdynamic.de | www.beyerdynamic.com
For further distributors worldwide, please go to www.beyerdynamic.com
Non-contractual illustrations. Contents subject to change without notice. E1 / Orbis MU 21 (01.15)
6 of 9
POLAR PATTERN
GM 31X Q MICROPHONE
Page 7
Orbis MU 21
beyerdynamic GmbH & Co. KG
Theresienstr. 8 | 74072 Heilbronn – Germany
Tel. +49 (0) 71 31 / 617 - 0 | Fax +49 (0) 71 31 / 617 - 204
info@beyerdynamic.de | www.beyerdynamic.com
For further distributors worldwide, please go to www.beyerdynamic.com
Non-contractual illustrations. Contents subject to change without notice. E1 / Orbis MU 21 (01.15)
7 of 9
ARCHITECT’S SPECIFICATIONS
The cardioid condenser gooseneck microphone (electret) shall be
connected to the Quinta desktop microphone unit. The LED ring
integrated in the microphone head shall indicate the ready-to-speak
status. The filter in the microphone basket shall suppress wind and
pop noise. The Scudio®technology shall eliminate interferences
from other wireless communication devices. The housing shall be
coated with a non-glare mat black paint. The gooseneck diameter
shall be 6 mm [0.24"]. The total length shall be 300 mm [11.81"]
when connected to the microphone unit (measured from the table’s
edge). The delivery shall include a wind shield.
Manufacturer: beyerdynamic
Type: Classis GM 313 Q
The cardioid condenser gooseneck microphone (electret) shall be
connected to the Quinta desktop microphone unit. The LED ring
integrated in the microphone head shall indicate the ready-to-speak
status. The filter in the microphone basket shall suppress wind and
pop noise. The Scudio®technology shall eliminate interferences
from other wireless communication devices. The housing shall be
coated with a non-glare mat black paint. The microphone shall be
provided of two goosenecks with a diameter of 6 mm [0.24"] and
a rigid tube in between. The total length shall be 400 mm [15.75"]
when connected to the microphone unit (measured from the table’s
edge). The delivery shall include a wind shield.
Manufacturer: beyerdynamic
Type: Classis GM 314 Q
The cardioid condenser gooseneck microphone (electret) shall be
connected to the Quinta desktop microphone unit. The LED ring
integrated in the microphone head shall indicate the ready-to-speak
status. The filter in the microphone basket shall suppress wind and
pop noise. The Scudio
®
technology shall eliminate interferences
from other wireless communication devices. The housing shall be
coated with a non-glare mat black paint. The microphone shall be
provided of two goosenecks with a diameter of 6 mm [0.24"] and
a rigid tube in between. The total length shall be 500 mm [19.69"]
when connected to the microphone unit (measured from the table’s
edge). The delivery shall include a wind shield.
Manufacturer: beyerdynamic
Type: Classis GM 315 Q
The cardioid condenser gooseneck microphone (electret) shall be
connected to the Quinta desktop microphone unit. The LED ring
integrated in the microphone head shall indicate the ready-to-speak
status. The filter in the microphone basket shall suppress wind and
pop noise. The Scudio®technology shall eliminate interferences
from other wireless communication devices. The housing shall be
coated with a non-glare mat black paint. The microphone shall be
provided of two goosenecks with a diameter of 6 mm [0.24"] and
a rigid tube in between. The total length shall be 600 mm [23.62"]
when connected to the microphone unit (measured from the table’s
edge). The delivery shall include a wind shield.
Manufacturer: beyerdynamic
Type: Classis GM 316 Q
Page 8
Orbis MU 21
beyerdynamic GmbH & Co. KG
Theresienstr. 8 | 74072 Heilbronn – Germany
Tel. +49 (0) 71 31 / 617 - 0 | Fax +49 (0) 71 31 / 617 - 204
info@beyerdynamic.de | www.beyerdynamic.com
For further distributors worldwide, please go to www.beyerdynamic.com
Non-contractual illustrations. Contents subject to change without notice. E1 / Orbis MU 21 (01.15)
8 of 9
DESCRIPTION
The Classis GM 115 Q gooseneck microphone is used for direct
connection to the Quinta or Orbis microphone units.
The microphone features a cardioid polar pattern with a high gain
before feedback. The ready-to-speak status of the microphone is
displayed by an LED ring. Inside the microphone grille there is a
filter to eliminate wind or pop noise.
The microphone is mounted on a 6 mm thick gooseneck and due
to its mat black, non-glare surface it discretely blends into the
environment.
TECHNICAL SPECIFICATIONS
Transducer type . . . . . . . . . . . . . . . . Condenser (electret)
Operating principle. . . . . . . . . . . . . . Pressure gradient
Frequency response
Close miking . . . . . . . . . . . . . . . . . . 40 - 13,000 Hz
Distant miking (distance 1 m) . . . . . . 200 - 13,000 Hz
Polar pattern . . . . . . . . . . . . . . . . . . Cardioid
Open circuit voltage at 1 kHz . . . . . . -17.8 mV/Pa = -35 dBV ±3 dB*
Nominal impedance . . . . . . . . . . . . . 2.2 kΩ
Max. SPL . . . . . . . . . . . . . . . . . . . . . 112 dB [SPL @ 1% THD]*
Signal-to-noise ratio . . . . . . . . . . . . . 62 dB [A, rms]*
Equivalent SPL . . . . . . . . . . . . . . . . . 32 dB [A, rms]*
Power supply . . . . . . . . . . . . . . . . . . 1.5 - 9 V DC
Microphone connection . . . . . . . . . . 5-pin XLR (male)
Head diameter with pop shield. . . . . approx. 25 mm [0.98"]
without pop shield . . . . . . . . . . . . . . approx. 14 mm [0.55"]
Gooseneck diameter . . . . . . . . . . . . approx. 7 mm [0.28"]
Total length . . . . . . . . . . . . . . . . . . . approx. 470 mm [18.5"]
Weight. . . . . . . . . . . . . . . . . . . . . . . approx. 110 g [3.8 oz]
*depending on the connected electronics
ARCHITECT’S SPECIFICATIONS
The condenser gooseneck microphone (electret) with cardioid polar
pattern shall be used for direct connection to Quinta and Orbis
microphone units. A filter inside the microphone grille shall eliminate
wind or pop noise. It shall be protected against interference from
wireless communication devices. The fully metal housing shall be
matt black. The two flexible goosenecks (8 mm bottom, 6 mm top)
shall have a rigid tube in between. The total length when mounted
to a microphone unit shall be 500 mm (measured from the edge of
the table). It shall be supplied with a wind shield.
Manufacturer: beyerdynamic
Type: Classis GM 115 Q
Classis GM 115 Q without pop shield
Classis GM 115 Q with pop shield
GM 115 Q GOOSENECK MICROPHONE
Page 9
Orbis MU 21
beyerdynamic GmbH & Co. KG
Theresienstr. 8 | 74072 Heilbronn – Germany
Tel. +49 (0) 71 31 / 617 - 0 | Fax +49 (0) 71 31 / 617 - 204
info@beyerdynamic.de | www.beyerdynamic.com
For further distributors worldwide, please go to www.beyerdynamic.com
Non-contractual illustrations. Contents subject to change without notice. E1 / Orbis MU 21 (01.15)
9 of 9
WIRING DIAGRAM
DIMENSIONS
FREQUENCY RESPONSE & POLAR PATTERN
This polar pattern and frequency response curve (measuring tolerance ±3 dB) correspond to a typical production sample for this microphone.
Frequency response curve ±3 dB GM 115 Q 0 dB = 17.8 mV/Pa
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