Technical data – LD Systems U504.7 IEM Wireless Stereo In-Ear Monitoring System (470 to 490 MHz) User 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)
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