AR-DM31-B, 16 Channel Digital Audio Monitor, 1RU Mainframe with Tri-Color LED Bar Graphs featuring improved audio quality and a redesigned chassis. The AR-DM31-B has reengineered speaker enclosures to maximize output power and new front panels that allow more natural reproduction of all frequencies in the 200-20,000 Hz range. This audio monitor provides 10-segment tri-color bar graphs, while supporting VU and peak metering. Channel, Group, Mix, Dolby®, and Balance selection

AR-DM31-B

16 Channel Digital Audio Monitor - 1RU Mainframe with Tri-Color LED Bar Graphs

Owner's Manual (PDF) Spec Sheet (PDF) Firmware Upgrade (ZIP)
  • 16 Tri-Color VU/PPM 10-Segment LED Bar Graphs
  • User-configurable with a variety of modules
  • 100% Digital Processing
  • Class D Audio Amplification
  • Dolby® Digital / Dolby® E Decoding (with optional ARDM-D552 module)
  • Selectable Stereo Downmix Modes
  • USB 2.0 Port enables on-site firmware upgrades
  • Ethernet port allows remote alarm monitoring
  • Balance and Volume Control
  • 1/4-inch Headphone Jack

The AR-DM31-B is a third generation digital audio rack-mount monitor from Marshall, featuring improved audio quality and a redesigned chassis. The AR-DM31-B has reengineered speaker enclosures to maximize output power and new front panels that allow more natural reproduction of all frequencies in the 200-20,000 Hz range. The existing volume and balance knobs have been modified for easier access.

The AR-DM31-B is ideal for TV facilities, studios, post production, VTR bays, mobile production vehicles, satellite links, and wherever multichannel audio monitoring is required. The AR-DM31-B supports 16 audio channels with four slots available for interchangeable input / output modules. This unit also provides pristine audio quality and unrivaled flexibility with 100% digital processing, Class D (digital) amplification, selectable stereo downmix modes, Dolby® Digital / Dolby® E decoding capability (with optional ARDM-D552 module), a 1/4-inch headphone jack with Level control, and a USB port for on-site firmware upgrades.

The AR-DM31-B provides 10-segment tri-color bar graphs, while supporting VU and peak metering. Channel, Group, Mix, Dolby®, and Balance selection, and saved configurations are easily accessed via the system's large navigation buttons. For audio playback, the AR-DM31-B provides two large, high performance / magnetically-shielded loudspeakers and subwoofer.

Marshall Electronics 16 Channel Digital Audio Monitors are equipped with features to help broadcasters comply with CALM and EBU loudness regulations. The monitors provide timely visual and audio alerts, email notifications and complete logging of noncompliant signals.

$2969.00*


Multi-Rate SDI/HD-SDI Video InputARDM-HDSDI
  • Multi-Rate SDI/HD-SDI Video Input (Auto-Detect)
  • Re-Clocked SDI/HD-SDI Loop-Through Output
  • SDI: SMPTE 259M-C / HD-SDI: SMPTE 292M
  • Supports 8 Stereo Embedded Channels or Dolby®
  • Multi-Channel Decoding*
$539.00*

4 Unbalanced AES/EBU Inputs (BNC)ARDM-AES-BNC
  • 4 Unbalanced AES/EBU Inputs (BNC)
  • 4 Passive Loop-Through Outputs (BNC)
  • Supports 4 Stereo Channels or Dolby® Multi-Channel Decoding*
$539.00*
4 Balanced AES/EBU Stereo InputsARDM-AES-XLR
  • 4 Balanced AES/EBU Stereo Inputs (DB-25)
  • 4 Passive Loop-Through Outputs (DB-25)
  • Break-Out Cable included (DB-25 to 8 XLR)
  • Supports 4 Stereo Channels or Dolby® Multi-Channel Decoding*
$539.00*


8 Balanced Analog Audio InputsARDM-AA-8XLR
  • 8 Balanced Analog Audio Inputs (DB-25)
  • Nominal level: 0,+4,+6, or+8 dBu = -20dBFs
  • Break-Out Cable included (DB-25 to XLR)
$539.00*
2 Balanced Analog Audio OutputsARDM-AA-2OUT
  • 2 Balanced Analog Audio Outputs
  • Nominal level: -20 dBFs = +8 dBu
  • Excellent for on-the-fly 2-channel monitoring
$539.00*
4 Unbalanced AES/EBU OutputsARDM-AES-4OUT
  • 4 Unbalanced AES/EBU Outputs (75Ω BNC)
  • Capable of 4 AES/EBU Outputs
    De-embedded from HD-SDI or SD-SDI input
  • Capable of 4 AES/EBU Outputs Decoded
    from Dolby® E / Dolby® Digital bitstream*
$539.00*
Requires optional Dolby® E / Dolby® Digital Decoder Module (ARDM-D552)

Dolby E/Dolby Digital Decoder Module

ARDM-D552

Dolby® E/Dolby® Digital Decoder Module
Required for multi-channel decoding

Dolby and the double-D symbol are registered trademarks of Dolby Laboratories

$2239.00*
AR-DM31-B specifications
HDSDI Input Module Dolby Support ARDM-D552 Module
1/4" Headphone Jack Yes
16 x 10 Segment LED Bar Graph Yes
Internal Speakers Yes
Modular Input Slots 4
Self-Sensing Yes
1 x SDI 75Ω BNC 16 Channels Embedded Audio
PCM,Dolby E, Dolby Digital AC3, Yes
Video Formats 525i, 625i, 720p, 1080i, 1080p
De-Embedded from SDI Yes
AES BNC Module Sample Rates: 44.1kHz, 48kHz
Unbalanced 75Ω BNC 4 x AES/EBU Inputs
Unbalanced 75Ω BNC 4 x AES/EBU Passive Loop Outputs
Formats Professional and Consumer (SPDIF)
PCM,Dolby E, Dolby Digital AC3, Yes
AES XLR Module 4 x AES/EBU Balanced 110Ω DB-25 Connector
Formats Professional and Consumer (SPDIF)
PCM, Dolby E, Dolby Digital AC3, Yes
Sample Rates: 44.1kHz, 48kHz
AA-8XLR Module 8 x Analog Balanced XLR DB-25 Connector
Reference: 0, 4, 6, or 8dBu = -20dBFS Selectable
DB-25 Pinout: GOLD-DB25-XLR-05 Break-Out Cable
AES 4 Out Module Output 4 x AES/EBU Unbalanced 75Ω BNC
Formats Professional and Consumer SPDIF
Audio Coding: PCM,Dolby E, Dolby Digital AC3,
Sample Rates: 44.1kHz, 48kHz
AA-2 Out Module Outputs 2 x Analog Balanced XLR
Reference: -20dBFS = 8dBu
Control Features Volume Control Yes
Balance Control Yes
Ethernet Yes
Memory Stick Upgradable Yes
Mute Functions Yes
Controls on front Panel Yes
SRC Switch Selector Yes
Handles Yes
Power Voltage 24 VDC
Consumption Less than 45W
Connector 4Pin XLR
Dimensions
Rack Unit dimensions 18.94” x 1.75” x 12.83” (1RU)
Weight (Main Body) 3.7 lbs

* Pricing does not reflect freight costs and applicable taxes and duties
* Pricing, specification and features are subject to change