Lectrosonics DCR822 Compact Dual Channel Digital Receiver

Lectrosonics DCR822 Compact Dual Channel Digital Receiver
 Lectrosonics DCR822 Compact Dual Channel Digital ReceiverLectrosonics DCR822 Compact Dual Channel Digital Receiver 

Lectrosonics DCR822 Compact Dual Channel Digital Receiver

Features

  • Dual independent channels, compact design
  • Vector Diversity with 2 RF front ends per channel for superior performance
  • 24 bit/48 kHz digital for flawless audio
  • High IP3 performance of +15 dBm for tough RF environments
  • Analog and AES3 digital audio outputs
  • 4 AA internal batteries or external DC powering options
  • On-board recording via microSDHC card
  • Built-in RF Spectrum Analyser
  • SmartNR Noise Reduction
  • Simultaneously on-board recording

The DCR822 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 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 same dimensions as the older UCR411A and combines field-proven features developed over many years of experience in motion picture and television production. To decrease weight, the DCR822 provides a dual channel receiver in one unit powered by 4 AA Lithium batteries or external DC. The receiver is also equipped with both an IR port and microSD card slot for data transfer. The machined aluminum housing and panels are surfaced with a hard-anodized 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.

Vector Diversity

An ideal diversity system constructively combines all the energy available at both antennas. Traditional “true diversity” or “ratio diversity” methods use two complete receivers and blend the audio. This works well for FM and Digital Hybrid systems, but falls short of the ideal for today’s all-digital modes. 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.

Compatibility

The DCR822 offers compatibility with the D Squared and Duet digital transmitters, including the DBu, DHu, DPr, DCHT, and M2T, and backward compatibility with any Digital Hybrid Wireless® transmitters including the SM and SMWB series, WM, HM Series, MM400 Series, HH Series, LT, LMb, UM400 Series, and SSM.

SmartNRTM

With a noise floor at -120 dBV and a frequency response to 20 kHz, high frequency noise in the source audio is more apparent than in conventional wireless systems. The Smart NR algorithm has three mode. 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.

Recording Function

The DCR822 can record received audio on a microSD card, in the industry standard .wav (BWF) file format, at 24 bits, 48 kHz for compatibility with any audio or video editing software.

What's Included

  • AMJ jointed antennas
  • CCMINI zippered case
  • microSD card
  • AA batteries

Receiver

Operating Frequencies (MHz) Model A1/B1: 470.100 - 614.375
Model B1/C1: 537.600 - 691.175
Frequency Selection Steps 25 kHz
Frequency Response 25 Hz to 20 kHz (+0/-3 dB)
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 +15 dBm
Diversity method Vector Diversity
Antenna inputs Dual SMA female jacks; 50 Ohm impedance
Audio output Rear panel 2 TA3M connectors; can drive 600 Ohm, adjustable from -50 to +5 dBu in 1 dB steps (into nominal 10 k bal. load)

Audio Performance (overall system)

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 125 dB (with full Tx limiting)
Overall Latency (time delay) 1.4 ms with digital source, <2.9 sm with Hybrid TX
Audio Test Tone 1 KHz, -50 to +5 dBu, <1%THD

Controls

Front Panel • LCD display
• Menu/Sel, Pwr/Back, Up/Down Arrow Buttons
• SD Card Reader
• IR Port.
Rear Panel • Analog/AES audio output jack (2)
• External DC input
• Battery compartment
• USB port
External Power Minumum 9 Volts to maximum 17 VDC
2.5 W; 170 mA at 12 VDC
Battery Life 6 hrs. continuous, w/ 4 Lithium AA batteries
Weight 408 grams with batteries (14.4 oz.)
Dimensions 3.23” wide x 1.23” high x 4.75” deep
82.042 wide x 31.242 high x 120.650 deep mm

Recorder

Storage media microSDHC memory card
File format .wav files (BWF)
A/D converter 24-bit
Sampling rate 48 kHz
Recording modes/Bit rate HD mono mode:
• 24 bit - 144 kbytes/s
• 32 bit - 192 kbytes/s
Split gain mode:
• 24 bit - 288 kbytes/s
• 32 bit - 384 kbytes/s

Audio Performance

Frequency response 25Hz to 20 kHz; +0/-3 dB
Dynamic range 110 dB (A), before limiting
Distortion < 0.035%
Operating temperature range Celsius: -20 to 50
Fahrenheit: -5 to 122

Available Recording Time

Using a microSDHC memory card, the approximate recording times are as follows. The actual time may vary slightly from the values listed in the tables.
(HD mono mode)
Size Hrs:Min
8GB 11:12
16GB 23:00
32GB 46:07
*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

Delivery Services

At Pinknoise Systems we like to offer our customers a wide choice of delivery options for their orders, and our prices are affordable and competitive. We also use only the best, most reliable couriers and delivery services to get your equipment where it needs to be - quickly and securely. Please find an outline of our services, prices and timescales below.

Service Timescale Price
UK Mainland Royal Mail Small Parcel 2-4 Days £3.99
UK Offshore Royal Mail 2-4 Days £9.99
UK Standard Courier 2-4 Days £6.49
UK Express Courier Next Day £7.99
International Shipping From 1-8 Days (Full Details) From £15.00

Delivery Times

Delivery times are based on when the packages leaves our premises. Sometimes, due to stock restrictions or a non completed order, delivery may take longer as there is a delay with dispatch. We will always notify customers of any issues and problems via email or telephone. If your order is urgent or details change please do let us know.

For full details, fees, and time schedules, please see our Delivery Information page.

Returns & Refunds

New items: You can return goods you have ordered from us for any reason, at any time within 7 working days of receipt, for a full refund or for an exchange for a different product from our range. The cost of returning goods to us shall be borne by you, the customer, in all circumstances without exception.

Items must be packed suitably and insured for full loss in the event of a delivery problem. Pinknoise Systems will not be responsible for lost or damaged return goods. Lost or damaged goods may effect the level of refund you receive.

Used items: Please note this does not apply to used item unless they are deemed faulty.

For full details of our returns policy, please click here.

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Model:  LECT-DCR822-A1B1
Part No.:  DCR822 A1/B1
Manufacturer:  Lectrosonics

Lectrosonics
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International Delivery

International delivery

We ship across Europe and around the world and have a multitude of shipping options available to our international customers during the checkout, including express delivery for urgent orders.

NEXT DAY DELIVERY

We have a next day shipping option available for the UK with our DPD courier service, which features delivery alerts, personal delivery preferences and driver tracking with the DPD mobile app.

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Spread the cost to maximise your capital. Just call our helpful sales team on 01453 825 802, from 9.30am - 5.30pm, to discuss these options and find out what's available to you.

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Lectrosonics DCR822 Compact Dual Channel Digital Receiver

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