Specifications, Overall system, M4t transmitter – Lectrosonics Quadra User Manual
Page 30: M4r receiver
QUADRA
Specifications
Overall System
Operating Spectrum:
902 - 928 MHz
Center Frequencies (MHz):
4-channel Mode:
907.776, 912.384, 916.992, 923.904
Four 4-channel systems can operate simultaneously
for a total of 16 audio channels.
Center Frequencies: (MHz):
2-channel Mode:
906.624, 908.928, 911.232, 913.536, 915.840,
918.144, 922.752, 925.056
Eight 2-channel systems can operate simultaneously
for a total of 16 audio channels
Modulation Type:
Differential QPSK with Forward Error Correction,
spread spectrum
Occupied Bandwidth:
4 MHz (4-channel mode), 2 MHz (2-channel mode)
Audio Sampling:
48 kHz, 24-bit
Latency (overall system):
Digital Source:
48 kHz: 2.3 ms
96 kHz: 1.8 ms
Analog Source:
Less than 1.0 ms
Selectable Audio Inputs:
4 digital
2 digital, 2 analog
4 analog
Audio Performance (overall system):
Frequency Response:
20 Hz - 20 kHz, +/– 0.5 dB
THD+N:
< 0.05% (1 kHz @ –10 dBFS)
Dynamic Range:
> 95 dB A-weighted
Adjacent Channel Isolation:
> 100 dB
M4T Transmitter
Power output into 32 ohms:
100 mW peak at 0.03% distortion
Audio Input:
Simulated transformer balanced inputs,
clip level adjustable +0 to +20 dBu
(or AES/EBU digital standard)
Power requirements:
100 - 240 VAC
Power consumption:
5 Watts
Dimensions:
Height: 1.750 in. / 44.45 mm.
Width: 8.375 in. / 212.7 mm.
Depth: 7.750 in. / 196.8 mm.
Weight:
2.36 lbs.; 1068 grams
M4R Receiver
Diversity Type:
Switched antenna
Audio Output (earphone):
100 mW into 32 Ohms at 0.03% distortion
Power requirements:
3 x AA batteries (4.5V)
Power consumption:
200 mW
Dimensions:
Height:
4.725 in. / 120 mm. (with knobs)
3.735 in. / 94.87 mm. (housing)
Width: 2.75 in. / 69.85 mm.
Depth: .960 in. / 24.38 mm.
Weight:
9.14 ounces / 259 grams (with alkaline batteries)
Specifications subject to change without notice.
LECTROSONICS, INC.
30