LD Systems U504.7 IEM Wireless Stereo In-Ear Monitoring System (470 to 490 MHz) - Manual (Page 17)

TECHNICAL DATA
Model Number: LDU5047IEMT LDU5051IEMT LDU505IEMT LDU506IEMT LDU508IEMT
Product type: In-Ear monitoring In-Ear monitoring In-Ear monitoring In-Ear monitoring In-Ear monitoring
Type: Transmitter Transmitter Transmitter Transmitter Transmitter
Transmission frequency range: 470 – 490 MHz 514 – 542 MHz 584 – 608 MHz 655 – 679 MHz 823 – 832 MHz,
863 – 865 MHz
RF-groups: 1 1 10 10 8
RF-channels: 12 12 12 12 12
Transmission method: FM, mono/stereo FM, mono/stereo FM, mono/stereo FM, mono/stereo FM, mono/stereo
Rated HF output power: 2 mW, 10 mW,
30 mW
2 mW, 10 mW,
30 mW
2 mW, 10 mW,
30 mW
2 mW, 10 mW,
30 mW
823 – 832 MHz
2 mW, 10 mW,
30 mW
863 – 865 MHz
2 mW, 10 mW
Antenna gain: 2 dBi 2 dBi 2 dBi 2 dBi 2 dBi
Antenna connector: BNC BNC BNC BNC BNC
Audio frequency response (- 3dB): 35 Hz – 16000 Hz 35 Hz – 16000 Hz 35 Hz – 16000 Hz 35 Hz – 16000 Hz 35 Hz – 16000 Hz
THD+N @ 1kHz, +4dBu input signal: < 0.3 % < 0.3 % < 0.3 % < 0.3 % < 0.3 %
S/N –ratio @ 1kHz, A-weighted: 93 dB 93 dB 93 dB 93 dB 93 dB
Dynamic range @ 1kHz, non-weighted: 88 dB 88 dB 88 dB 88 dB 88 dB
Input sensitivity: - 9 dBu (all gain
controls full,
stereo mode)
- 9 dBu (all gain
controls full,
stereo mode)
- 9 dBu (all gain
controls full,
stereo mode)
- 9 dBu (all gain
controls full,
stereo mode)
- 9 dBu (all gain
controls full,
stereo mode)
Max. input level: 18 dBu (gain
controls set to
90, TX Volume
control set to 38,
stereo mode)
18 dBu (gain
controls set to
90, TX Volume
control set to 38,
stereo mode)
18 dBu (gain
controls set to
90, TX Volume
control set to 38,
stereo mode)
18 dBu (gain
controls set to
90, TX Volume
control set to 38,
stereo mode)
18 dBu (gain
controls set to
90, TX Volume
control set to 38,
stereo mode)
CMRR IEC: < 45 dB < 45 dB < 45 dB < 45 dB < 45 dB
Line inputs: 2 2 2 2 2
Line input connectors: XLR (balanced)
/ Combo TRS
6.3 mm
XLR (balanced)
/ Combo TRS
6.3 mm
XLR (balanced)
/ Combo TRS
6.3 mm
XLR (balanced)
/ Combo TRS
6.3 mm
XLR (balanced)
/ Combo TRS
6.3 mm
Input impedance: 12 kohms 12 kohms 12 kohms 12 kohms 12 kohms
Controls: POWER on-off
-button, MENU
rotary-push-
encoder, phones
volume
POWER on-off
-button, MENU
rotary-push-
encoder, phones
volume
POWER on-off
-button, MENU
rotary-push-
encoder, phones
volume
POWER on-off
-button, MENU
rotary-push-
encoder, phones
volume
POWER on-off
-button, MENU
rotary-push-
encoder, phones
volume
Indicators: Multifunctional
OLED-display
Multifunctional
OLED-display
Multifunctional
OLED-display
Multifunctional
OLED-display
Multifunctional
OLED-display
Power consumption (nominal): 3.5 W 3.5 W 3.5 W 3.5 W 3.5 W
Operating voltage: 12 – 18 V DC 12 – 18 V DC 12 – 18 V DC 12 – 18 V DC 12 – 18 V DC
Voltage input connector: 5.3 mm barrel
jack, plus inside
5.3 mm barrel
jack, plus inside
5.3 mm barrel
jack, plus inside
5.3 mm barrel
jack, plus inside
5.3 mm barrel
jack, plus inside
Ambient temperature (in operation): 0 °C – 35 °C 0 °C – 35 °C 0 °C – 35 °C 0 °C – 35 °C 0 °C – 35 °C
Relative humidity: < 80 %
(non-condensing)
< 80 %
(non-condensing)
< 80 %
(non-condensing)
< 80 %
(non-condensing)
< 80 %
(non-condensing)
17
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