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System 2015
Audiology | Personal FM System
Description
The 2015 Mikroport™ System allows the integration of people with
hearing problems in schools and universities, at the workplace and
in their free time. Design and characteristics of the 2015 Mikropor t™
System are ideally suited to the needs of the users. Operation is simple
and easy to learn. The units are small, lightweight
and unobtrusive when worn.
The operating principle of the 2015 Mikroport™ System
The speaker, for example the teacher, wears the SK 2015 transmitter.
The person with hearing problems, the pupil in this case, wears the EK
2015 receiver. The receiver can be equipped either with a connecting
cable for a hearing aid or with headphones. Without wires and with full
freedom of movement, the pupil can now hear the teacher as if he were
sitting right next to him. For the time in which the teacher is speaking,
ambient noise is reduced markedly, so that the dialog between teacher
and pupil has priority at all times. When the teacher is not speaking,
the pupil can hear his fellow pupils either via the microphones in the
hearing aid or via the internal microphone in the receiver. The 2015
Mikroport™ System gives reliable assistance, even in diffi cult listening
situations. The transmitting power is suffi cient for relatively large
distances. The MKE 2015-2 screw-on microphone ensures a high degree
of intelligibility. Loud background noise and bad acoustics are faded
out by the ME 2015-H neckband microphone (optional accessory). The
wide range of accessories allows the receiver to be connected to almost
any hearing aid; it can be coupled to the latter either electrically or
inductively. Transmitter and receiver are powered via the BA 2015
accupack. The operating time of the accupack is suffi cient for a normal
working day (up to 12 hours). The charging contacts on transmitter and
receiver allow the units to be charged in the L 2015 charger without
the necessity of removing the accupack. If no mains supply is available
for recharging the accupack, you can alternatively use 1.5 V AA size
batteries. When powered by batteries, transmitter and receiver can
also be used for up to 12 hours. Additional audio sources (e.g. CD player,
television, sound card of a computer) can be connected to the 3.5 mm
jack socket of the transmitter. Especially for integrative schools, there
is the advantage that you can combine the 2015 Mikroport™ System
with the Soundfi eld EMP 2015 System. In addition, transmitters and
receivers of the evolution wireless series can be used together with
the 2015 Mikroport™ System. For details, please visit ou web site at
www.sennheiser.com.
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System 2015
Audiology | Personal FM System
SK 2015
EK 2015
Features
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Professional audio transmission quality (80-16.000 Hz)
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Transmitter and receiver settings adjustable according to individual
repuirements
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Fully compatible with cochlear implants, hearing aids and soundfield
EMP 2015
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Easy, intelligent frequency management offers high flexibility
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Compact, rugged metal housing
Delivery includes
The 2015 Mikroport™ System consists of the following components:
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1 SK 2015 transmitter
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1 MKE 2015-2, MKE 2015-0 or ME 2015-H clip-on microphone
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1 EK 2015 receiver
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2 BA 2015 accupacks
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1 L 2015 charger
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Instruc tions for use
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1 EZB 2015 system case
incl. transport case and transport holding device (for EK 2015
and SK 2015) as well as shoulder strap and neck strap
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2 EZG 2015 pouches
Note: All components of the 2015 Mikroport™ System are also available
separately
Tec hni c al D ata 2015 System
RF characteristics
Modulation ...........................................................................FM mono
Frequency ranges .........................518–554, 626–662, 740–776,
786–822, 830–866 MHz
Transmission/receiving frequencies .................8 channel banks
with up to 20 fac tory-preset channels each
1 channel banks with up to 20 freely selectable channels
(144 0 fr equ enc ies , tunable in steps of 25 kHz)
Switching bandwidth ............................................................ 36 MHz
Nominal/peak deviation .................................. ±24 kHz / ±48 kHz
AF characteristics
Noise reduction system .........................................Sennheiser HDX
AF frequency response .............................................80–16,000 Hz
Signal-to-noise ratio (at 1 mV, peak deviation) .......... 96 dB(A)
THD (at nominal deviation, 1 kHz) ..................................... ≤ 0.3 %
General data
Temperature range ................................................ –10 °C to +55 °C
Dimensions of system case ..........................250 x 210 x 170 mm
Weight of system case (equipped) ..................... approx. 2,600 g
EK 2015 receiver
Sensitivity (wit h HDX, peak deviation) ................. typ. 1.4 µV at
AF frequency response of
52 dB A
S/N
rms
internal microphone ................................................ 200–10,000 Hz
Adjacent channel rejection ............................................. typ. 75 dB
Intermodulation attenuation ......................................... typ. 75 dB
Blocking ............................................................................... typ. 90 dB
Squelch ...................................................... 4 steps: OFF, LO: 5 dBµV
MID: 15 dBµV, HI: 25 dBµV
Power supply ............................................ BA 2015 accupack, 2.4 V
or AA size batteries, 1.5 V
Nominal voltage .................................................................... 2.4 V DC
Power consumption ...................................................... typ. 110 mA
Operating time with BA 2015 accupack ........................ typ. 12 h
with batteries ...................................................................... typ. 12 h
Headphone output ..........3.5 mm jack socket: 2 x 20 mW/32 Ω
Output for hearing aid .............. 2.5 mm jack socket: 3 mV/2 kΩ
Dimensions (without antenna) ......................... 82 x 64 x 24 mm
Weight (with BA 2015 accupack) ............................approx. 175 g
Temperature range .................................................. –10 °C to +55 °
SK 2015 transmitter
RF output power at 50 Ω ..............................................typ. 10 mW
RF radiating power ...........................................................typ. 1 mW
Spurious emission .................................................................. < 4 nW
Max. input voltage(peak deviation/
input impedance) ................................ Microphone: 200 mV/5 kΩ
(soft ware limiter threshold)
Line: 3 V/47 kΩ
Nominal voltage .........................................................................2.4 V
Power consumption at nominal voltage ...................... ≤ 120 mA
Power supply ............................................ BA 2015 accupack, 2.4 V
or AA size batteries, 1.5 V
Operating time with BA 2015 accupack ........................ typ. 12 h
with batteries ...................................................................... typ. 12 h
Dimensions (without antenna) ......................... 82 x 64 x 24 mm
Weight (with BA 2015 accupack) ............................approx. 175 g
Temperature range ................................................ –10 °C to +55 °C
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System 2015
Audiology | Personal FM System
MKE 2015-2
Microphone
or
MKE 2015-O
ME 2015-H
KA 80-K
KA 40-K
KAB 80-K
KAB 40-K
Connection cables
KA 80-E
KA 40-E
KAB 80-E
KAB 60-E
KAB 40-E
Connection cables
EZI 120
Induction coupler
EZT 2015-20 S
EZT 2015-60 S
Induction neck loop
SK 2015
Transmitter
L 2015
Charger
EK 2015
Receiver
EZG 2015
pouch for SK/EK 2015
with neck
BA 2015
Accupack
NT 1
Mains unit
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System 2015
Audiology | Personal FM System
System
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System 2015-A-US System with
USA mains unit (518–554 MHz) Art.-Nr. 009803
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System 2015-B-US with
USA mains unit (626–662 MHz) Art.-Nr. 009806
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System 2015-C-US with
USA mains unit (740–776 MHz) Art.-Nr. 009809
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System 2015-D-EU with
EU mains unit (786–822 MHz) Art.-Nr. 009811
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System 2015-E-EU with
EU mains unit (830–866 MHz) Art.-Nr. 009814
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System 2015-D-UK with
UK mains unit (786–822 MHz) Art.-Nr. 009813
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System 2015-E-UK with
UK mains unit (830–866 MHz) Art.-Nr. 009816
Receiver
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EK 2015 A EK 2015 receiver (518–554 MHz) Art.-Nr. 009941
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EK 2015 B (626–662 MHz) Art.-Nr. 009942
EK 2015 C (740–776 MHz) Art.-Nr. 009943
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EK 2015 D (786–822 MHz) Art.-Nr. 009944
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EK 2015 E (830–866 MHz) Art.-Nr. 009945
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KAB 40-K cable length: 40 cm
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KA 80-K Connecting cable for EZI 120 induction
Art.-Nr. 009958
couplers, monaural, with 3.5 mm jack plug,
cable length: 80 cm Art.-Nr. 009959
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KA 40-K cable length: 40 cm
Art.-Nr. 009960
Induction
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EZT 2015-20-S Induction neck loop with
2.5 mm jack plug, cable length: 20 cm Art.-Nr. 009961
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EZT 2015-60-S Induction neck loop with
2.5 mm jack plug, cable length: 60 cm Art.-Nr. 009962
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EZI 120 Induction coupler for hearing aids
without audio input
Art.-Nr. 003448
pouches
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EZB 2015 System case (for the
whole system incl. transport case
with transport holding device for
transmitter and receiver)
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EZG 2015 Pouch with adjustable neck strap
for SK 2015 or EK 2015
Art.-Nr. 009967
Art.-Nr. 009951
Tra nsm it ter
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SK 2015 A SK 2015 transmitter (518–554 MHz) Art.-Nr. 009936
SK 2015 B (626–662 MHz) Art.-Nr. 009937
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SK 2015 C (740–776 MHz) Art.-Nr. 009938
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SK 2015 D (786–822 MHz) Art.-Nr. 009939
SK 2015 E (830–866 MHz) Art.-Nr. 009940
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Microphone
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MKE 2015-0 Screw-on microphone for SK 2015,
condenser, omni-directional, 2.5 mm jack plug Art.-Nr. 009946
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MKE 2015-2 Clip-on microphone for SK 2015,
condenser, omni-directional, cable length: 80 cm Art.-Nr. 009948
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ME 2015-H Neckband microphone for SK 2015,
condenser, super-cardioid, cable length: 80 cm
2.5 mm jack plug Art.-Nr. 009949
Power Supply
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BA 2015 Accupack for EK 2015 and SK 2015 Art.-Nr. 009950
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L 2015 Charger for BA 2015 accupack Art.-Nr. 009928
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NT 1 Mains unit for one L 2015 with
EU mains connector, 230 V
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NT 1-UK with UK mains connector, 230 V
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NT 1-US with USA mains connector, 120 V
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NT 3 Mains unit for three L 2015 with
EU mains connector, 230 V
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NT 3-UK with UK mains connector, 230 V
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NT 3-US with USA mains connector, 120 V
Art.-Nr. 004786
Art.-Nr. 004787
Art.-Nr. 004788
Art.-Nr. 004863
Art.-Nr. 004864
Art.-Nr. 004865
Connectors
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KAB 80-E Connecting cable for hearing aid, binaural,
with 2.5 mm jack plug, cable length: 80 cm
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KAB 60-E cable length: 60 cm
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KAB 40-E cable length: 40 cm
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KA 80-E Connecting cable for hearing aid, monaural,
with 2.5 mm jack plug, cable length: 80 cm
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KA 40-E cable length: 40 cm
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KAB 80-K Connecting cable for EZI 120 induction
Art.-Nr. 009952
Art.-Nr. 009953
Art.-Nr. 009954
Art.-Nr. 009955
Art.-Nr. 009956
couplers, binaural, with 3.5 mm jack plug,
cable length: 80 cm
Art.-Nr. 009957
front covers
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ETC 2015-01 Set comprising 3 battery
compartment covers and 3 front covers
in yellow, blue and red
Art.-Nr. 009971
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