Sennheiser SK 50 Instruction manual

SK 50
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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1 switchable carrier frequencies per frequency window, PLL-controlled
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HiDyn plus™ noise reduction system
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RF output power 50 mW
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Delivery includes: 1 SK 50 bodypack transmitter, 1 channel switcher,
1 set of colour-coded identification markers, 1 antenna
General Description
The SK 50 bodypack transmitter fulfils the most stringent demands on operation
and mechanical stability. It is above all used in musicals, shows and for broadcast
applications.
Product Variants
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SK 50-UHF-A-A: 450–550 MHz Cat. No. 005534
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SK 50-UHF-A-B: 550– 80 MHz Cat. No. 005535
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SK 50-UHF-A-C: 80–800 MHz Cat. No. 0054 2
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SK 50-UHF-A-D: 800–9 0 MHz Cat. No. 005379
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SK 50-UHF-A: 450–550 MHz Cat. No. 005531
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SK 50-UHF-B: 550– 80 MHz Cat. No. 005532
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SK 50-UHF-C: 80–800 MHz Cat. No. 005533
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SK 50-UHF-D: 800–9 0 MHz Cat. No. 005378
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SK 50-VHF-A: 138–1 0 MHz Cat. No. 00553
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SK 50-VHF-B: 153–181 MHz Cat. No. 005537
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SK 50-VHF-C: 174–202 MHz Cat. No. 005538
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SK 50-VHF-D: 195–223 MHz Cat. No. 005539
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SK 50-VHF-E: 223–2 0 MHz Cat. No. 005540
Technical Data SK 50 UHF-a
RF output power .......................................... 50 mW (-3 dB)
Transmission frequencies .................................................1
Frequency range ............................................450–9 0 MHz
Switching bandwidth................................................24 MHz
Modulation .......................................................wideband FM
Nominal/peak deviation....................± 40 kHz / ± 5 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 50-1/BA 50-1.................................... > 4.5 hrs / > hrs
- B 250-1/BA 250-1 ................................ > 9 hrs / > 10 hrs
Dimensions with
- B 50-1/BA 50-1.......................................94 x 0 x 17 mm
- B 250-1/BA 250-1 ................................11 x 0 x 17 mm
Weight incl. B 50-1/BA 50-1....................... approx. 197 g
Weight incl. B 250-1/BA 250-1.................. approx. 230 g
Technical Data SK 50 VHF
RF output power .......................................... 50 mW (-3 dB)
Transmission frequencies .................................................1
Frequency range ............................................ 138–250 MHz
Switching bandwidth.................................................. 7 MHz
Modulation .......................................................wideband FM
Nominal/peak deviation....................± 40 kHz / ± 5 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 50-1/BA 50-1.................................... > 4.5 hrs / > hrs
- B 250-1/BA 250-1 ................................ > 9 hrs / > 10 hrs
Dimensions with
- B 50-1/BA 50-1.......................................94 x 0 x 17 mm
- B 250-1/BA 250-1 ................................11 x 0 x 17 mm
Weight incl. B 50-1/BA 50-1....................... approx. 197 g
Weight incl. B 250-1/BA 250-1.................. approx. 230 g

Recommended Accessories for SK 50 / SK 250
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B 50-1 battery box for 2 AA size batteries only for SK 50) Cat. No. 005269
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B 250-1 battery box for 3 AA size batteries Cat. No. 005271
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BA 50-1 accupack with 2 NiMH cells only for SK 50) Cat. No. 005270
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BA 250-1 accupack with 3 NiMH cells Cat. No. 005272
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L 50 charger for 2 accupacks Cat. No. 003554
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DCA 50 power adaptor Cat. No. 003839
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NT 50 plug-in mains unit for 4 chargers* Cat. No. 003594
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SK 50 T protection bag, beige Cat. No. 003972
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MKE 2-4 Gold-C clip-on microphone, omni, black Cat. No. 004736
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MKE 2-4-3 Gold-C clip-on microphone, omni, beige Cat. No. 004739
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MKE platinum-4-C clip-on microphone, omni, black Cat. No. 005276
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MKE platinum-4-3-C clip-on microphone, omni, beige Cat. No. 005277
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MZ 2-1 Gold accessory kit Cat. No. 004741
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MZ 2-2 Gold accessory kit Cat. No. 004742
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MZ 2-3 Gold accessory kit Cat. No. 004743
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ME 102 ant mini mic head, omni anthracite)** Cat. No. 003876
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ME 102 nickel mini mic head, omni nickel)** Cat. No. 003838
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ME 104 ant mini mic head, cardioid anthracite)** Cat. No. 004227
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ME 104 nickel mini mic head, cardioid nickel)** Cat. No. 004228
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KA 100 S-4 ant steel cable, straight plug ant) Cat. No. 004235
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KA 100 S-4 beige steel cable, straight plug beige) Cat. No. 004236
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KA 100-4 ant copper cable, rt.-angled plug ant) Cat. No. 004233
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KA 100-4 gr copper cable, rt.-angled plug grey) Cat. No. 004234
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MZ 100 accessory kit Cat. No. 004226
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MZM 2 / MZM 10 magnetic mount set Cat. No. 001866
*For US and UK versions see ”Accessories“
**Delivery includes windshield
SK 50/SK 250
RF Wireless Systems | 5000 Series Bodypack Transmitters
94 mm (B 50 / BA 50) 116 mm (B 250 / BA 250)
60 mm
17 mm
Dimensions of the SK 50 / SK 250