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Lectrosonics R400A Digital Hybrid Single Receiver

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Your Price: $959.00
List Price: $1,357.00

Availability: Usually Ships In 7 - 14 days
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Sales SKU: LECR400A-19|LECR400A-20|LECR400A-21|LECR400A-22|LECR400A-23|LECR400A-944
Product Code: R400A

The R400a is a high performance, triple-conversion, frequency synthesized, UHF receiver fully compatible with all Lectrosonics 400 series transmitters, and a number of analog models. The proprietary audio processing includes a DSP (digital signal processor) for very low distortion and a superior signal to noise ratio. The DSP eliminates a compandor and its artifacts to provide exceptional audio quality when operating in its native hybrid mode. Special DSP algorithms also provide compatibility modes for use with Lectrosonics 100 and 200 Series analog transmitters.

The R400a features a powerful menu-driven LCD graphic display operated with a push-button switch and a dual function rotary encoder control as a convenient means of viewing and altering settings. The LCD main window displays the pilot tone indicator, diversity antenna activity, RF and audio levels, operating frequency, transmitter frequency switch settings and transmitter battery status. Settings can be changed using the MENU functions. A built-in RF spectrum analyzer is included to conduct site surveys to find interference-free operating frequencies. The analyzer quickly tunes the receiver across its 256 frequencies and records a marker on the LCD indicating the strength of any RF signals picked up. Within less than a minute, a complete display is generated showing the RF activity across the entire tuning range of the receiver. An area with little or no RF activity is then easy to locate and select. Please select frequency block when ordering.

Main Features:

  • SmartSquelch for noiseless muting
  • SmartDiversity for enhanced RF reception
  • SmartTune for auto frequency selection
  • 256 selectable UHF frequencies
  • RF-controlled digital noise filters
  • Low noise, Robust RF Front End
  • DSP-based pilot tone
  • Graphics type backlit LCD display
  • Independent balanced XLR and unbalanced 1/4-inch audio outputs
  • Compatiblity modes for use with analog transmitters

CONSUMER ALERT: This particular wireless microphone device operates in portions of the 617-652 MHz or 663-698 MHz frequencies. Beginning in 2017, these frequencies are being transitioned by the Federal Communications Commission (FCC) to the 600 MHz service to meet increasing demand for wireless broadband services. Users of this device must cease operating on these frequencies no later than July 13, 2020. In addition, users of this device may be required to cease operations earlier than that date if their operations could cause harmful interference to a 600 MHz service licensee’s wireless operations on these frequencies. For more information, visit the FCC's wireless microphone website or call the FCC at 1-888-CALL-FCC (TTY: 1-888-TELL-FCC).

  • Frequency Adjustment Range: 25.5 MHz in 100 kHz steps
  • Channel Separation: 100 kHz
  • 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: > 100 dB
  • AM Rejection: Greater than 60 dB, 2 uV to 1 Volt (undetectable after processing)
  • Modulation Acceptance: 85 kHz
  • Image & 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.
    • Rear Panel 1/4 inch jack adjustable from -55 dBu to +0 dBu in 1 dB steps.
  • Front Panel Controls & Indicators:
    • Rotary Control Knob: Combined push/rotate switch combination for menu selection and system configuration.
    • Pushbutton: 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, XLR and 1/4 inch connectors independently adjustable
    • 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 (available in 400 Series mode only)
  • Audio Performance (applies to 400 Series mode only):
    • Frequency Response: 30 Hz to 20 kHz (+/- 1 dB); overall system frequency response will vary depending on transmitter used
    • THD: 0.2 % (typical)
    • Input Dynamic Range: 125 dB (with full Tx limiting)
  • Rear Panel Controls & Features:
    • XLR and 1/4-inch phone audio output jack
    • External DC input
    • BNC antenna connectors
  • Power, Ext DC: Minimum 8 volts to maximum 18 volts DC; 1.6 W, 200 mA max
  • Dimensions (W x H x D): 5.5 x 1.75 x 6.25 in | 14 x 4.5 x 16 cm
  • Weight: 13 oz

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