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Accessoires
GZL 1019 A1 BNC/BNC co-axial cable
For connecting a radiator to the SI 1015, SI 29-5 or SI 1029 transmitters. Length: 1 m.
GZL 1019 A5 BNC/BNC co-axial cable
For connecting a radiator to the SI 1015, SI 29-5 or SI 1029 transmitters. Length: 5 m.
GZL 1019 A10 BNC/BNC co-axial cable
For connecting a radiator to the SI 1015, SI 29-5 or SI 1029 transmitters. Length: 10 m.
GZV 1019 BNC coupler
for connecting two GZL 1019 A1, -5, -10 co-axial cables.
GA 1031-AM blank module
For 19” rack mounting (with BNC sockets).
GA 1031-CC blank module
For 19” rack mounting.
For the AF connection, use a standard XLR-3 connection cable of the required length.
Note: “IR Planning Brochure” from Sennheiser
Information on the many possible areas of application of Sennheiser infra-red audio transmission
systems can be found in the “IR Planning Brochure”. This brochure gives detailed information on
infra-red transmission technology and contains application examples as well as possible product
combinations and overviews for infra-red system planning.
Since we are continually trying to improve our products it may happen that technical alterations
are made on the described products after this manual has gone to press. We apologise for any
inconvenience.
Technical Data
SI 1015 Modulator
Operating voltage 24 - 35 V DC (via NT 1015)
Current consumption < 140 mA
Terminating impedance of the RF outputs 50 Ω
Carrier frequency 1 2.3 MHz
Carrier frequency 2 2.8 MHz
Inputs 2 x XLR-3, balanced
Input sensitivity 50 mV – 5 V
RF outputs 2 x BNC, in parallel with barrier strip
SZI 1015 Power radiator
Number of transmitting diodes 66
Average radiating power 2 W
Wavelength of radiated infra-red light approx. 880 nm
Carrier frequency range 30 kHz – 6 MHz
RF input level 50 mV – 3 V / approx. 5 kΩ
Inputs / outputs BNC sockets / barrier strip
Threshold voltage for
automatic on/off function 50 mV
Operating voltage 25–35 V DC via NT 1015 plug-in mains unit
or via SI 1015 modulator
Current consumption 0.75 A at 25 V
Stand-by max. 60 mA
Dimensions in mm approx. 250 x 100 x 80
Weight approx. 1.3 kg
NT 1015 Plug-in mains unit
Mains voltage 100 – 240 V AC without switching
Output voltage 29 V DC
Output current 1.7 A, for powering an SI 1015 modulator
and two SZI 1015 power radiators or an
SI 1015 modulator and one SZI 1029-24
high power radiator