Shure QLXD2L50 Manual De Usuario
21
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Specifications
RF Carrier Frequency Range
470–937.5 MHz, varies by region (See Frequency Range and Output
Power table)
Working Range
100 m (330 ft)
Note: Actual range depends on RF signal absorption, reflection and interference.
RF Tuning Step Size
25 kHz, varies by region
Image Rejection
>70 dB, typical
RF Sensitivity
-97dBm at10(-5) BER
Latency
<2.9 ms
Audio Frequency Response
QLXD1
20 – 20 kHz (±1 dB)
QLXD2
Note: Dependent on microphone type
Audio Dynamic Range
System Gain @ +10
>120 dB, A-weighted, typical
Total Harmonic Distortion
−12 dBFS input, System Gain @ +10
<0.1%
System Audio Polarity
Positive pressure on microphone diaphragm produces positive voltage
on pin 2 (with respect to pin 3 of XLR output) and the tip of the 6.35 mm
(1/4-inch) output.
Operating Temperature Range
-18°C (0°F) to 50°C (122°F)
Note: Battery characteristics may limit this range.
Storage Temperature Range
-29°C (-20°F) to 74°C (165°F)
Note: Battery characteristics may limit this range.
QLXD4
Dimensions
197 mm x 171 mm x 42 mm (7.75 in. x 6.75 in. x 1.65 in.), H x W x D
Weight
913 g (2.0 lbs), without antennas
Housing
steel
Power Requirements
12 V DC @ 0.4 A, supplied by external power supply (tip positive)
RF Input
Spurious Rejection
>80 dB, typical
Connector Type
BNC
Impedance
50 Ω
Audio Output
Gain Adjustment Range
-18 to +42 dB in 1 dB steps
Configuration
1/4" (6.35 mm)
Impedance balanced (Tip=audio, Ring=no audio,
Sleeve=ground)
XLR
balanced (1=ground, 2=audio +, 3=audio −)
Impedance
1/4" (6.35 mm)
100 Ω (50 Ω Unbalanced)
XLR
100 Ω
Full Scale Output
1/4" (6.35 mm)
+12 dBV
XLR
LINE setting= +18 dBV, MIC setting= -12 dBV
Mic/Line Switch
30 dB pad
Phantom Power Protection
1/4" (6.35 mm)
Yes
XLR
Yes
Networking
Network Interface
Single Port Ethernet 10/100 Mbps
Network Addressing Capability
DHCP or Manual IP address via WWB6
Maximum Cable Length
100 m (328 ft)