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Lectrosonics DCR822 Compact Dual-Channel Digital Wireless Receiver (A1/B1: 470 to 614 MHz)

BH #LEDCR822A1B1 • MFR #DCR822-A1B1
Lectrosonics DCR822 Compact Dual-Channel Digital Wireless Receiver (A1/B1: 470 to 614 MHz)
Key Features
  • Dual Independent Channels/Compact Design
  • Vector Diversity with RF Front Ends
  • Dual AES3 & Analog Mic/Line Outputs
  • Onboard Recorder with microSDHC Card
The successor to the esteemed UCR411a, the Lectrosonics DCR822 is a compact, dual-channel digital wireless receiver that offers twice the channels in the same physical size. It offers a host of versatile, field-proven features for use in portable bag systems and on sound carts. The receiver is compatible with mono transmitters from the D-Squared line (DBu, DHu, DPR) and is also capable of decoding signals from the company's stereo transmitters like the DCHT and M2R. The unit is backward-compatible with Digital Hybrid wireless transmitters.
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Lectrosonics DCR822 Overview

  • 1Description
  • 2Vector Diversity for Mission-Critical Performance
  • 3High IP3 Performance for Tough RF Environments
  • 4SmartNR Noise Reduction
  • 5SmartTune Auto Frequency Selection
  • 6Onboard Recording via microSDHC Card
  • 7Compatible Transmitters
  • 8At a Glance

The successor to the esteemed UCR411a, the Lectrosonics DCR822 is a compact, dual-channel digital wireless receiver that offers twice the channels in the same physical size. It offers a host of versatile, field-proven features for use in portable bag systems and on sound carts. The receiver is compatible with mono transmitters from the D-Squared line (DBu, DHu, DPR) and is also capable of decoding signals from the company's stereo transmitters like the DCHT and M2R. The unit is backward-compatible with Digital Hybrid wireless transmitters.

The DCR822 features Vector Diversity technology (an advanced type of True Diversity), two front ends per audio channels, a wide 144 MHz frequency band, 24-bit/48 kHz resolution, and a rugged machined aluminum housing to withstand the rigors of field production. It is ideal for mobile production sound, sports video, reality TV, and anywhere a wireless system must provide mission-critical RF reliability and audio quality, despite the challenges of shrinking spectrum and high noise floor.

A bright OLED screen and a user-friendly interface with intuitive selection buttons help make the DCR822 easy to see and operate on set. Setup is easy with the onboard RF spectrum analyzer and SmartTune functions that quickly find a clean, interference-free operation frequency. Settings are sent from the receiver to the transmitter via IR, at the press of a button. The AES 256-CTR encryption with four types of key policies ensures your transmissions are safe from prying ears.

Two TA3M audio output jacks can be independently configured as mic-/line-level analog outputs or as two-channel AES3 digital outputs. A variety of output cables are available separately, each to accommodate your mixer's type of inputs.

Providing another helpful addition, the onboard SDHC recorder is capable of recording .WAV (BWF) files while the transmitter is sending wireless signal, making it a truly useful backup option.

The DCR822 operates up to 6 hours on four AA batteries. The unit can also be powered using the DCR12/A5U universal DC power supply (available separately). Removable AMJ jointed antennas, a micro-SD card, and a zippered case are also supplied.

Vector Diversity for Mission-Critical Performance
The DCR822’s Vector Diversity subsystem smoothly and continuously combines RF signals from two receiver front ends per channel, with differing phase angles in order to obtain maximum energy. Not only does this method deliver clean, artifact-free performance in all modes, it is actually able to take two signals compromised by multipath interference and reassemble them into a usable signal.

The two RF gain stages (per audio channel) in the front end provide low-noise RF amplification, excellent sensitivity, and extremely low susceptibility to intermodulation and de-sensitization.

High IP3 Performance for Tough RF Environments
The DCR822 has one of the highest Third-Order (IP3) Performance of +15 dBm, comparing this with +5 to +8 dBm provided by typical audio RF transmitters. High IP3 performance allows the DCR822 to better eliminate the negative impact caused by third-order intermodulation artifacts, have better signal-to-noise ratio, and also perform greater reliability in today's congested RF spectrum.
SmartNR Noise Reduction
With a noise floor at -120 dBV and a frequency response up to 20 kHz, high-frequency noise in the source audio is more apparent than in conventional wireless systems. The SmartNR algorithm has three modes. When OFF, no noise reduction is performed. When NORMAL is selected, enough noise reduction is applied to remove most of the hiss from the mic preamp and some of the hiss from lavaliere microphones. When FULL is selected, enough noise reduction is applied to remove most of the hiss from nearly any signal source of reasonable quality, assuming levels are set correctly at the transmitter.
SmartTune Auto Frequency Selection
A major problem facing wireless users is finding clear operating frequencies, especially in RF saturated environments. SmartTune solves this problem by automatically scanning all the frequencies available in the unit, and tuning to the frequency with the lowest RF interference, significantly reducing setup time.
Onboard Recording via microSDHC Card
The DCR822 can record received audio on a microSD card, in the industry-standard .wav (BWF) file format, at 24-bit/48 kHz for compatibility with any audio or video editing software. Recording can be done simultaneously with audio output from the receivers. You can record up to 46 hours on a 32GB card.
Compatible Transmitters
The DCR822 offers compatibility with the D-Squared and Duet digital transmitters, including the DBu, DHu, DPr, DCHT, and M2T. There is backward compatibility with any Digital Hybrid wireless transmitters including the SM and SMWB series, WM, HM Series, MM400 Series, HHSeries, LT, LMb, UM400 Series, and SSM.
At a Glance
  • Tunes across 144 MHz
  • Dual Independent receiver channels
  • Vector Diversity with continuous amplitude and phase matching for unparalleled RF performance
  • Two RF front ends per audio channel (True Diversity)
  • Fast RF scanning and setup via IR
  • 24-bit/48 kHz digital audio
  • High Third-Order Intercept (IP3) performance of +15 dBm (versus typical performance of +5 to +8 dBm)
  • Selectable, two analog and four AES3 digital audio outputs on two TA3M connectors
  • 6 hours on four included lithium-ion AA batteries or external DC power
  • Onboard recording via microSDHC card in .WAV (BWF) file format
  • Built-in RF spectrum analyzer
  • SmartTune for quick auto frequency selection
  • SmartNR for superior noise reduction with high-noise sources
  • Built-in 1kHz audio test tone
  • Machined aluminum housing with hard-anodized finish
  • OLED display provides visibility in all lighting conditions
  • AES-256 CTR mode Encryption with 4 different key policies
  • USB port for connectivity with Wireless Designer software

Lectrosonics DCR822 Specs

Key Specs
Wireless Technology
Digital UHF
Diversity
True Diversity
Number of Audio Channels
2
Audio I/O
2x TA3/Mini XLR 3-Pin Male Balanced Mic/Line Output
Power Requirements
AC/DC Power Adapter, Battery
Diversity
True Diversity
RF Frequency Band
470.1 to 614.375 MHz
RF Bandwidth
144 MHz
Frequency Step Size
25 kHz
RF Channel Scanning
Auto-Scan
Latency
1.4 to 2.9 ms (Selectable)
Receiver
Antenna
2x External, SMA (Top-Mount)
Number of Audio Channels
2
Audio I/O
2x TA3/Mini XLR 3-Pin Male Balanced Mic/Line Output
Audio Output Level
-50 to +5 dBu (Mic Level, Line Level)
Frequency Response
25 Hz to 20 kHz ±3 dB
Word Clock I/O
No
USB/Lightning Connectivity
1x Mini-USB Female (Host Connection)
Standalone Audio Interface Capable
No
Impedance
XLR Outputs:
600 Ohms
Approximate RF Sensitivity
-108 dBm / 0.9 µV
Adjacent Channel Isolation
>60 dB
Spurious
Rejection: 85 dB
Power Requirements
AC/DC Power Adapter, Battery
Battery Type
4x AA (Included)
Approx. Battery Life
6 Hours (Lithium)
AC/DC Power Adapter
9 to 17 VDC at 170 mA (Not Included)
Display & Indicators
1x LCD
Housing
Aluminum
Operating Temperature
-5 to 122°F / -20 to 50°C
Dimensions
3.2 x 1.2 x 4.7" / 81.3 x 30.5 x 119.4 mm
Weight
14.4 oz / 408 g (with Batteries)
Packaging Info
Package Weight
2.5 lb
Box Dimensions (LxWxH)
11.2 x 9.9 x 7.5"

Lectrosonics DCR822 Reviews

See any errors on this page? Let us know

Will this connect to my old UM200C transmitter?

Will this connect to my old UM200C transmitter?
Asked by: JJ
No, this receiver is not compatible with the UM200C transmitter. The UM200C can be used with any 200 Series Lectrosonics receiver that operates within the same frequency group. The DCR822 receiver is compatible with D-Squared and Duet digital transmitters, including the DBu, DHu, DPr, DCHT, and M2T. There is backward compatibility with any Digital Hybrid wireless transmitters including the SM and SMWB series, WM, HM Series, MM400 Series, HHSeries, LT, LMb, UM400 Series, and SSM.
Answered by: Lisa
Date published: 2022-02-16

Would this connect with my old UM200C ...

Would this connect with my old UM200C Transmitter?
Asked by: JJ
Depending on the transmitter type, protocol and frequency, suggest calling Lectrosonics ph: +1 505 892-4501 See below for compatibility: DCR822 - Compact Digital Receiver Continuously tunable tracking filters covering 470.100 - 614.375 MHz Compatible with D2, Duet and Digital Hybrid Wireless® transmitters Lectrosonics DCR822 System Wireless Transmission Digital UHF Diversity True Diversity RF Frequency Band 470.1 to 614.375 MHz https://www.bhphotovideo.com/c/product/1597459-REG/lectrosonics_dcr822_compact_dual_channel_digital.html/accessories
Answered by: james
Date published: 2021-03-19

Can I run this directly into a Canon C70s Mini ...

Can I run this directly into a Canon C70s Mini XLR channel 1 and channel 2 inputs? If so, what cable do I need to do this?
Asked by: Brandon
Yes, when the outputs of the Lectrosonics DCR822 Compact Dual-Channel Digital Wireless Receiver are configured for analog output, they are compatible for connecting and sending signal to the audio inputs on the Canon EOS C70 Cinema Camera. A set of cables such as the Cable Techniques Low-Profile Straight TA3F to TA3M Mini XLR Cables (15", Pair) (BH #CACTVMXRTS15) would be appropriate for this function: https://bhpho.to/3sXaxjF
Answered by: Matt Z
Date published: 2022-12-22

What antennas (shark fins) are compatible for ...

What antennas (shark fins) are compatible for this? Especially if I used the new lectrosonics digital transmitters?
Asked by: Matthew
The Lectrosonics ALP500 LPDA Shark Fin Style Antenna for Fixed Indoor Installation (B&H # LEALP500) is compatible with all Lectrosonics wireless microphone and IFB systems. The Lectrosonics ALP620 Perforated LPDA Shark Fin Style Antenna (B&H # LEALP620) is for fixed installation indoors and outdoors, and it is compatible with all Lectrosonics wireless microphone and IFB systems. As another option, the RF Venue Diversity Fin Antenna with Stand Mount for Wireless Microphone Systems (B&H # RFDFIN) is compatible with all brands of wireless microphone and IEM systems.
Answered by: Lisa
Date published: 2021-08-11
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