OMB Audio Processor COM LIM 50
  • OMB Audio Processor COM LIM 50
  • OMB Audio Processor COM LIM 50

OMB Audio Processor COM LIM 50

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Digital stereo generator, 5 bands audio processor and RDS

Model/Varenr.: OMB-COM-LIM-50
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OMB AUDIO PROCESSOR COM LIM 50

Digital stereo generator, 5 bands audio processor and RDS

 
The OMB COM LIM 50 audio processor is the combination of a professional digital stereo generator (with more than 65dB channel separation), a high-dynamic adjusted limiter with stop band rejection bigger than 90dB above 75KHz and a 5 band equalizer. All these advanced characteristics provide a whole range of professional features really useful in all radio studios. This audio processor manufactured by OMB also includes a RDS/RBDS digital encoder and an optional digital audio input.
 
The COM LIM 50 audio processor is the combination of a professional digital stereo generator (with more than 65dB channel separation) and a high-dynamic limiter, with stop band rejection higher than 90dB above 75KHz. A 5-band equalizer is integrated, too. All these advanced characteristics give the COM LIM 50 an outstanding range of professional features, really useful in radio studios. It also includes RDS/RBDS digital encoder, and programming, visualization and control trough LCD display.
 

GENERAL CHARACTERISTICS

  • WEIGHT 3Kg approximately
  • DIMENSIONS 1 standard rack unit of 19”, 434x351x44mm
  • AC RATE 230VAC/110VAC, 50Hz/60Hz, 30VA
  • PROCESSING Fully digital, based on DSP 24bit/100MHz. Signal processing is performed by phase linear filter
  • OPERATING TEMPERATURE -5 to +55°C

ANALOG INPUT MODULE

  • A/D CONVERSION 24bit
  • CONNECTORS XLR (F) electronically balanced
  • AD CLIPPING POINT +20dBu
  • OPERATIVE NOMINAL LEVEL -12dBu to +12dBu (0.1dBu steps)
  • LINE IMPEDANCE 10 KOhm (electronically balanced selectable),
  • EMI suppressed
  • DISTORTION <0.01% TDH+NOISE (0.0dBu 1KHz)
  • AD DYNAMIC RANGE 108dB RMS
  • INPUT MODES Stereo, Mono (left), Mono (right), Mono (left+right)

DIGITAL INPUT MODULE

  • CONNECTORS XLR (F) electronically balanced
  • FORMAT AES3/EBU
  • SAMPLE RATES 32KHz/44.1KHz/48KHz/64KHz/88.2KHz/96KHz with SRC and jitter correction
  • OPERATIVE NOMINAL LEVEL From 0.0dBFs to -24dBFs (0.1dBu steps)
  • DYNAMIC RANGE 125dB (typical), 122dB (minimum)
  • DISTORTION <0.01% TDH+NOISE (0.0dBu 1KHz)
  • INPUT MODES Stereo, Mono (left), Mono (right), Mono (left+right)

ANALOG OUTPUT MODULE

  • D/A CONVERSION 24bit
  • CONNECTORS XLR (M) electronically balanced
  • OUTPUT LEVEL -12dBu to +14dBu (0.1dBu steps), +19dBu maximum
  • IMPEDANCE SOURCE 10 Ohm
  • LOAD IMPEDANCE 600 Ohm or greater
  • DISTORTION <0.01% TDH+NOISE (0.0dBu 1KHz)

DIGITAL OUTPUT MODULE

  • CONNECTORS XLR (M) electronically balanced
  • FORMAT AES3/EBU
  • SAMPLE RATES 32KHz/44.1KHz/48KHz/64KHz/88.2KHz/96KHz with SRC and jitter correction
  • RESOLUTION 16 bits, 20 bits, 24 bits
  • OPERATIVE NOMINAL LEVEL From 0.0dBFs to -24dBFs (0.1dBu steps)
  • DYNAMIC RANGE 125dB (typical), 122dB (minimum)
  • DISTORTION <0.01% TDH+NOISE (0.0dBu 1KHz)
  • INPUT MODES Stereo, Mono (left), Mono (right), Mono (left+right)

REMOTE INTERFACE

  • DIGITAL INPUTS GPIN 4xGP inputs, opto-coupled
  • DIGITAL OUTPUTS GPOUT 4xGP outputs, open collector opto-isolated
  • SERIAL INTERFACE 1xRS-232 serial protocol ports, EMI filtered
  • USB 1xuniversal serial BUS port, B type, EMI filtered
  • ETHERNET PORT AND PARSER ASCII
  • PROTOCOL Ethernet port by option, over RJ45 connector with web server interface

MAIN ADVANTAGES

  • Audio processor of 5 bands
  • 24 bits, 120MHZ and DSP-based audio process
  • Stereo generator and MPX encoder
  • Optional RDS encoder
  • INPUTS AND OUTPUTS
  • Analog XLR in/out
  • Digital AES/EBU XLR in/out
  • 2 BNC MPX out and 2 BNC AUX in
  • Hardware bypass in/out, XLR/XLR-BNC/BNC
  • MPX Split mode
  • AUDIO MANAGEMENT
  • 5 bands management
  • 3 bands equalizer
  • Remote preset changer
  • Final limiter drive
  • Test tone generator
  • Brilliance control
  • Double band AGC (LOW/HIGH)
  • AGC control
  • AGC power control
  • Audio fault input changeover
  • MPX ITU-R BS.412 control
  • Stereo enhancer
  • Limiter look ahead mode
  • Expander (noise reduction)
  • Overdrive power control
  • Super bass control
  • REMOTE CONTROL
  • SubD 15p HD 4xGP in opto-coupled, 4xGP out open collector opto-isolated
  • 1xUSB (B type), EMI filtered
  • 1xRS232, EMI filtered
  • Ethernet port/Webserver
  • Parser ASCII protocol via TCP/IP UDP/IP
Titel Type Størrelse Download
OMB-COM-LIM-50_ING-1.pdf PDF 534.29KB Download

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