Product specification

SK 250
RF Wireless Systems | 5000 Series Bodypack Transmitters
Features
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Bodypack transmitter for demanding broadcast and musical applications
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Battery status transmitted to suitable receivers
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Extremely reliable special sockets, metal housing
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Quick change accupack or battery box
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16 switchable carrier frequencies per frequency window, PLL-controlled
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HiDyn plus™ noise reduction system
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RF output power max. 250 mW
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Delivery includes: 1 SK 250 bodypack transmitter, 1 channel switcher,
1 set of colour-coded identification markers, 1 antenna
General Description
The SK 250 bodypack transmitter fulfils the most stringent demands on operation
and mechanical stability. Compared to the SK 50, it has a higher output power,
making it the ideal choice for broadcast applications.
Technical Data SK 250 UHF-a
RF output power ............................ max. 250 mW (–1 dB)
Transmission frequencies ................................................16
Frequency range...........................................450–960 MHz
Switching bandwidth.............................................. 24 MHz
Modulation...................................................... wideband FM
Nominal/peak deviation ................ ± 40 kHz / ± 56 kHz
Noise reduction system ................................. HiDyn plus™
Input sensitivity for ..................................... 13 mV–1.55 V
peak deviation ................................ switchable in 8 steps
AF frequency response...............................45–20,000 Hz
Signal-to-noise ratio ................................... >117 dB(A)
rms
THD (at nom. deviation).............................................. <1 %
Connectors
- AF .............................................special 3-pin audio socket
- RF ...................................................................... co-ax socket
Operating time with
B 250-1/BA 250-1 ............................ > 2.5 hrs / > 4.5 hrs
Dimensions with
B 250-1/BA 250-1 .................................116 x 60 x 17 mm
Weight incl. B 250-1/BA 250-1 ................approx. 230 g
Technical Data SK 250 VHF
RF output power ............................ max. 250 mW (–1 dB)
Transmission frequencies ................................................16
Frequency range...........................................138–250 MHz
Switching bandwidth.................................................7 MHz
Modulation...................................................... wideband FM
Nominal/peak deviation ................ ± 40 kHz / ± 56 kHz
Noise reduction system ................................. HiDyn plus™
Input sensitivity for ..................................... 13 mV–1.55 V
peak deviation ................................ switchable in 8 steps
AF frequency response...............................45–20,000 Hz
Signal-to-noise ratio ................................... >117 dB(A)
rms
THD (at nom. deviation).............................................. <1 %
Connectors
- AF .............................................special 3-pin audio socket
- RF ...................................................................... co-ax socket
Operating time with
B 250-1/BA 250-1 ............................ > 2.5 hrs / > 4.5 hrs
Dimensions with
B 250-1/BA 250-1 .................................116 x 60 x 17 mm
Weight incl. B 250-1/BA 250-1 ................approx. 230 g
Product Variants
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SK 250-UHF-A: 450–580 MHz Cat. No. 005525
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SK 250-UHF-B: 540–730 MHz Cat. No. 005526
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SK 250-UHF-C: 680–860 MHz Cat. No. 005527
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SK 250-UHF-D: 800–960 MHz Cat. No. 005377
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SK 250-VHF-A: 138–170 MHz Cat. No. 005528
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SK 250-VHF-B: 170–225 MHz Cat. No. 005529
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SK 250-VHF-C: 210–260 MHz Cat. No. 005530