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Lectrosonics DSR4

Lectrosonics

DSR4 - Digital 4-Channel Receiver

  • Two diversity options for maximum flexibility
  • 24 bit/48 kHz digital for flawless audio
  • AES 256-bit, CTR mode encryption, with 4 different key policies available
  • High IP3 performance of +15 dBm for tough RF environments
  • Analog and AES3 digital audio outputs
  • External DC powering options and USB input for firmware updates and data transfer
  • Fully integrated in Sound Devices 8 series
From €4,120.00 €4,440.00 *

plus VAT

Frequency range:

Quantity:

  • A14766

Features

DSR4 - Four Channel Digital Slot Receiver

The DSR4 digital receiver provides the highest level of RF and audio performance available with a versatile feature set in a compact design for field and location production. Settings can be made from the front panel with tactile buttons and color LCD interface, making the unit ideal for use in portable bag systems and on sound carts. An RF spectrum analyzer and SmartTune are built into the
receiver to alleviate interference problems in an increasingly congested RF spectrum.

The mechanical design of the receiver fits into the Super-Slot ecosystem and combines field-proven features developed over many years of experience in motion picture and television production. To decrease weight, the DSR4 provides a four channel receiver in one unit powered by external DC. The receiver is also equipped with an IR port for data transfer between units. The machined aluminum housing and panels are surfaced with a hardanodized finish with laser etched markings to withstand
the rigors of field production.

The RF gain stages in the front end use a newly developed design to provide low noise RF amplification, excellent sensitivity and extremely low susceptibility to intermodulation and de-sensitization.

Since firmware 1.09, the DSR4 4-channel receivers are fully integrated into the Sound Devices 8-series - via the SL-2. This extremely compact package for a whole 8 receiver channels has some great features ready, which can now be used not only on the reciever itself, but also via the display of the Sound Devices recorders:

  • Full control over the settings of all 8 channels 
  • Overview of possible RF interferences in the channels
  • RF Scan function (uses the DSR4 reciever for scanning)
  • Send selected frequency to transmitter
  • Group Tuning - convenient frequency selection according to preset frequency ranges

 

DSR4 - Four Channel Digital Slot Receiver

The DSR4 digital receiver provides the highest level of RF and audio performance available with a versatile feature set in a compact design for field and location production. Settings can be made from the front panel with tactile buttons and color LCD interface, making the unit ideal for use in portable bag systems and on sound carts. An RF spectrum analyzer and SmartTune are built into the
receiver to alleviate interference problems in an increasingly congested RF spectrum.

The mechanical design of the receiver fits into the Super-Slot ecosystem and combines field-proven features developed over many years of experience in motion picture and television production. To decrease weight, the DSR4 provides a four channel receiver in one unit powered by external DC. The receiver is also equipped with an IR port for data transfer between units. The machined aluminum housing and panels are surfaced with a hardanodized finish with laser etched markings to withstand
the rigors of field production.

The RF gain stages in the front end use a newly developed design to provide low noise RF amplification, excellent sensitivity and extremely low susceptibility to intermodulation and de-sensitization.

Since firmware 1.09, the DSR4 4-channel receivers are fully integrated into the Sound Devices 8-series - via the SL-2. This extremely compact package for a whole 8 receiver channels has some great features ready, which can now be used not only on the reciever itself, but also via the display of the Sound Devices recorders:

  • Full control over the settings of all 8 channels 
  • Overview of possible RF interferences in the channels
  • RF Scan function (uses the DSR4 reciever for scanning)
  • Send selected frequency to transmitter
  • Group Tuning - convenient frequency selection according to preset frequency ranges

 

Operating Frequencies (MHz):

  • Model A1B1: 470.100 - 614.375
  • Model B1C1: 537.600 - 691.175
  • 941: 941.525 - 959.825
  • 961: 961.100 - 1014.900

NOTE: It’s the user’s responsibility to select the approved frequencies for the region where the transmitter
is operating.

  • Frequency Selection Steps: 25 kHz
  • Frequency Stability: ±0.001 %
  • Front end bandwidth: ±5.5 MHz, @ -3 dB
  • Sensitivity: 20 dB Sinad: 0.9 uV(-108 dBm), A weighted
  • 60 dB Quieting: 1.12 uV (-105 dBm), A weighted
  • AM rejection: >60 dB, 2 uV to 1 Volt
  • Modulation acceptance: 85 kHz
  • Spurious rejection: 85 dB
  • Third order intercept: +11 dBm
  • Diversity method: Vector diversity
  • Antenna inputs: 50 Ohm; SMA female connectors

Audio output connectors:

  • Interchangeable D connector adapters or camera slot interfaces
  • Dual TA3 male (mini XLR) balanced output adapter
  • Battery sled adapters with TA3 male outputs

Front panel output:

  • Control panel TA5M with two balanced outputs (5P model) (either analog or AES3)

Audio Performance (overall system):

  • Frequency Response: 25 Hz to 20 kHz (+0/-3 dB)
  • THD: 0.2% (typical)

SNR at receiver output (dB):

Note: The dual envelope “soft” limiter provides exceptionally good handling of transients using variable attack and release time constants. Once activated, the limiter compresses 30+ dB of transmitter input range into 4.5 dB of receiver output range, thus reducing the measured figure for SNR without limiting by 4.5 dB.

SmartNR No Limiting w/Limiting
OFF 103.5 108.0
NORMAL 107.0 111.5
FULL 108.5 113.0

  • Input Dynamic Range: 125 dB (with full Tx limiting)
  • Overall Latency (time delay): 1.4 ms with digital source, <2.9 ms with Hybrid TX
  • Audio Test Tone: 1 KHz, -50 to +7 dBu, <1%THD

Controls:

Front Panel:

  • Color LCD display
  • Menu/Sel, Pwr/Back, Up/Down Arrow

Buttons:

  • USB Port
  • IR Port

Rear Panel:

  • Proprietary connector for audio/power accessory panels

External Power:

  • Minimum 9 Volts to maximum 17 VDC
  • 2.7 W; 225 mA at 12 VDC

Weight:

  • DSR 164 grams (5.8 oz.) w/o audio adapter
  • DSR5P 195 grams (6.9 oz.)

Dimensions:

  • 3.23” wide x 1.23” high x 5.50” deep
  • 82 wide x 31 high x 140 deep mm
  • 1x Quickstart Guide

A1B1 units (all)

  • 2x AMJ-19 jointed SMA antennas
  • 2x AMJ-22 jointed SMA antennas

B1C1 units (all)

  • 2x AMJ-22 jointed SMA antennas
  • 2x AMJ-25 jointed SMA antennas

941 units (all)

  • 2x AMJ-944 jointed SMA antennas

961 units (all)

  • 2x AMJ-961 jointed SMA antennas

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