MA-1851
22.2ch Audio Decoder

The MA-1851 is an audio decoder that supports MPEG-4 AAC audio input.
HDMI×1 MPEG-4 AAC 22.2ch/5.1ch/2ch audio signals can be decoded and output through HDMI×3 or MADI×1.
Makes it easy to construct a 22.2 Ch acoustic system.

Features

  • Can decode MPEG-4 AAC 22.2ch/5.1ch/2ch
  • Automatically tracks the input audio mode
  • Supports ARC/eARC input
  • Supports HDMI(8ch)×3 output and MADI (24ch)×1 output
  • Audio output delay function
  • Displays input status and an audio level meter

 Connection Example

SPECIFICATIONS

HDMI Input
Number of Systems 1 system
Video Connector Compatible with HDMI Type A
Compliant Standard HDMI 1.4（1920×1080 60p/59.94p）
Color Format RGB 4:4:4 8bit
Audio Compliant Standard MPEG-4 AAC
Sampling Frequency 48 kHz/96 kHz
Audio Mode 22.2-channel, 5.1-channel, stereo
Other EDID function not supported, HDCP not supported

 

HDMI Output
Number of Systems 4 systems
(One channel supports 22.2 channels, 5.1 channels, and stereo ARC/eARC.)
Video Connector Compatible with HDMI Type A
Compliant Standard HDMI 1.4（1920×1080 60p/59.94p）
Color Format RGB 4:4:4 8bit　*Fixed pattern output
Audio Compliant Standard Linear PCM
Sampling Frequency 48 kHz
Number of Audio Channels 8ch
Other HDCP not supported

 

MADI Output
Number of Systems 1 system
Connector BNC 75Ω
Format AES10-2008
Data Length 24 bit
Sampling Frequency 48 kHz
Number of Audio Channels 24 channels

 

Delay Amount
Delay Amount Device delay 40ms + Delay Time Set value 0-100 ms

 

General Specıfıcatıons
Power-Supply Voltage AC100-240V（50/60Hz）
Power Consumption 35W MAX
Operating Temperature Range 5～40℃
Operating Humidity Range 20 to 80% (No condensation)
External Dimensions 430（W）×44（H）×250（D）mm (excluding protrusions)
Weight 2.5㎏