Technical Data - Sennheiser WIRELESS DIGITAL Instruction Manual

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10 Technical data

Overall system
Transmission format
Frequency response
Audio dynamic range
Distortion
RF carrier frequency
Number of selectable frequencies
Channel 1
Channel 2
Channel 3
Channel 4
RF output power
Signal-to-noise ratio
Transmission range
FCC Approval
SK 1093 DIGITAL & SKM 1091 DIGITAL Transmitter
A/D conversion
Input impedance LINE
Input impedance MIC
Connectors (SK 1093 DIGITAL)
Controls
Dimensions SK 1093 DIGITAL
Dimensions SKM 1091 DIGITAL
EM 1090 DIGITAL Receiver
D/A conversion
Output
Connectors
Indicators
Controls
Dimensions
Power supply
Sennheiser proprietary digital
audio transmission
20 Hz to 15 kHz
> 120 dB
< 0.2 % THD
905 MHz to 925 MHz
4
905 MHz
915 MHz
920 MHz
925 MHz
0.5 mW
> 110 dB(A)
280 feet line of sight
80 to 130 feet adverse conditions
Part 15 approved, no user licence
required
18-bit linear, 128 fold oversampling
1 MOhm
930 Ohm to 6,000 Ohm
Lockable 1/8", unbalanced
Mute, Power on/off, Channel Select,
Sensitivity adjustment
105 x 63 x 26 mm
245 x 38 mm
16-bit linear
Balanced +18 dBU (-2 dB), 150 Ohm
Unbalanced +12 dBU (-2 dB), 1.6 kOhm
Transformerless XLR, balanced
1/4" jack, unbalanced
Power on/off,
Transmitter Battery Life,
Data Received, RF
Power on/off, Channel Select,
AF Level
213 x 145 x 44 mm – (1/2 RU)
12 V DC