Lectrosonics R400 - Manual (Page 21)

Portable Wireless Sound System
SPECIFICATIONS AND FEATURES
Operating Frequencies (MHz): Block 21: 537.600 - 563.100
Block 22: 563.200 - 588.700
Block 23: 588.800 - 607.900 and 614.100 - 614.300
Block 24: 614.400 - 639.900
Block 25: 640.000 - 665.500
Block 26: 665.600 - 691.100
Block 27: 691.200 - 716.700
Block 28: 716.800 - 742.300
Block 29: 742.400 - 767.900
Block 944:944.100 - 951.900
Frequency Adjustment Range: 25.5 MHz in 100 kHz steps
Receiver Type: Triple conversion, superheterodyne, 244 MHz , 10.7 MHz and 300 kHz
Frequency Stability: ±0.001 %
Front end bandwidth: ±30 MHz @ -3 dB
Sensitivity
20 dB Sinad: 1 uV (-107 dBm), A weighted
60 dB Quieting: 1.5 uV (-104 dBm), A weighted
Squelch quieting: Greater than 100 dB
AM rejection: Greater than 60 dB, 2 uV to 1 Volt (Undetectable after processing)
Modulation acceptance: 85 kHz
Image and spurious rejection: 85 dB
Third order intercept: 0 dBm
Diversity method: Phased antenna combining - SmartDiversity ™
FM Detector: Digital Pulse Counting Detector operating at 300 kHz
Antenna inputs: Dual BNC female, 50 Ohm impedance
Audio outputs Rear Panel XLR adjustable from -50 dBu to +5 dBu in 1 dB steps. Calibrated
into a typical 10 k Ohm balanced load. Can drive 600 Ohm load.
FRONT PANEL CONTROLS AND INDICATORS
PUSH FOR MENU/ROTATE TO SELECT control: Push knob for menu selection and rotate for settings.
POWER/ PREV MENU button: Momentary press for power ON.
Press and hold several seconds for POWER OFF.
Momentary press (if unit is powered up) for return to previous window
LCD Main window: Pilot tone; antenna phase, transmitter battery status; audio level, RF level;
Battery timer; Frequency; and Transmitter switch setting
Audio output level adjustment: -50 dBu to +5 dBu
Battery level tracking: Receiver and transmitter (9 V battery) in 1/10th volt steps, accuracy +/- 0.2 V.
Transmitter (AA battery), accuracy +/- 0.05 V. Timer option available.
Scanning mode: Coarse and fine modes for RF spectrum site scanning
Audio test tone: 1 kHz, -50 dBu to +5 dBu output, < 1% THD
Transmitter battery type selection: 9 V alkaline, 9 V lithium, AA alkaline, AA lithium, TIMER
Phase invert: Audio output phase normal or inverted
Smart NR (noise reduction): OFF, NORMAL, FULL modes (avail in 400 Series mode only)
Audio Performance (overall system):
(These specs apply to 400 Series mode only.)
Frequency Response (Typ.): 70 Hz to 20 kHz (+/- 1 dB), 40 Hz to 20 KHz (+/- 3 dB) when used with the LM transmitter. System frequency response
will vary depending on transmitter used
THD: 0.2% (typical)
SNR at receiver output (dB):
SmartNR No Limiting W/ Limiting
OFF 103.5 108.0
NORMAL 107.0 111.5
FULL 108.5 113.0
Input Dynamic Range:
Rear Panel Controls and features:
Power, Ext DC:
Weight:
Dimensions:
125 dB (with full Tx limiting)
XLR audio output jack; External DC input; BNC antenna connectors.
Minimum 8 volts to maximum 18 volts DC; 1.6 W, 200 mA maximum.
13 oz.
5.50" (14 cm) wide, 1.75" (4.5 cm) high, 6.25" (16 cm) deep
Specifications subject to change without notice
Rio Rancho, NM – USA
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