- Wide Frequency Range: The LR receiver covers a broad frequency range within Block A1, allowing you to find clear channels for wireless audio transmission
- Diversity Reception: Dual antennas provide diversity reception, minimizing signal dropouts caused by interference or challenging RF environments.
- Digital Hybrid Wireless® Technology: Lectrosonics’ patented technology combines the best of analog and digital systems, ensuring high-quality audio with minimal interference.
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Lectrosonics LR Compact UHF Receiver, Block A1
Lectrosonics LR Compact UHF Receiver, Block A1
Block A1 Frequency Range 470.100 - 537.575 MHz
Lectrosonics LR receiver for ENG and DSLR video production is the purpose and intent of the LR receiver design. Tracking front-end filters block interference from high powered RF signals on nearby channels to preserve the extended operating range. RF spectrum scanning displays accurate results on the LCD to make finding clear spectrum quick and easy.
The receiver is powered by internal AA batteries or with an optional battery eliminator. The top panel includes an IR port for transmitter setup. Firmware updates are enabled via a USB port on the side panel. The housing is made from a solid machined aluminum billet.
Features:
• Tunes over a 75 MHz range*
• Tracking front-end filters
• Digital Hybrid Wireless® with compatibility
modes for use with earlier transmitters
• Compact size powered by two AA batteries
or an optional battery eliminator
• LCD with RF spectrum scanning
• SmartSquelchTM DSP-controlled, noise based
filtering and squelch
• DSP-based pilot tone for squelch control
• USB port for firmware updates
• IR sync port for transmitter setup
• Operating Frequencies:
• Tuning range A1: 470.100 - 537.575 MHz
• Tuning range B1: 537.600 - 614.375 MHz
• Tuning range C1: 614.400 - 691.175 MHz
• Tuning range D1: 691.200 - 767.975 MHz (export only)
• Frequency selection steps: Selectable; 100 kHz or 25 kHz
• Receiver Type: Dual conversion, superheterodyne
• IF Frequencies: 243.950 MHz and 250.000 kHz
• Frequency stability: ±0.001 %
• Front end bandwidth: 20 MHz @ -3 dB
• Sensitivity
• 20 dB SINAD: 1.0 uV (-107 dBm), A weighted
• 60 dB Quieting: 2.2 uV (-100 dBm), A weighted
• Squelch quieting: Greater than 100 dB typical
• Modulation acceptance: +/-100 kHz max.; varies with selected compatibility mode
• Image and spurious rejection: 85 dB
• Third order intercept: 0 dBm
• Diversity method: SmartDiversityTM phased antenna combining
• FM detector: Digital Pulse Counting Detector
• RF spectrum analyzer: Single and multiple block scanning modes; coarse and fine views of results
• Antenna inputs: 50 Ohm; SMA female connectors
• Audio output: TA3 male (mini XLR) balanced output
• Audio output level: Adjustable -50 to +5 dBu in 1 dB steps; unbalanced output level is 6 dB lower
• Front panel controls and indicators:
• Sealed panel with membrane switches
• LCD for setup menus and monitoring
• Audio test tone: 1 kHz, -50 dBu to +5 dBu output (bal); 1% THD
• Transmitter battery type selection: AA alkaline or lithium; timer available for use with alkaline, lithium and HiMH
• Audio polarity selection: Normal or inverted
• Compatibility modes:
• Digital Hybrid (North American and European)
• Lectrosonics 100, 200 and 300 Series
• Lectrosonics IFB
• Non-Lectrosonics modes 3, 6 and 7 (contact the factory for details)
• SmartNR (noise reduction): OFF, NORMAL, FULL modes (available in Digital Hybrid mode only)
• Audio Performance Frequency Response: 32 Hz to 20 kHz (+/- 1 dB) receiver only (see transmitter documentation for overall system response)
• Total harmonic distortion: <0.4 (0.2% typical in Digital Hybrid mode)
• Top panel features:
• TA3M audio output jack;
• (2) SMA antenna jacks
• IR (infrared) port
• Operating runtimes: 4 hours, AA alkaline
• Operating temperature: -20° C to +50°C
• Weight: 185.4 grams (6.54 ozs.) with two AA lithium batteries
• Dimensions (housing): 3.21 x 2.45 x .84 in. (82 x 62 x 21 mm)