Manual

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.
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