NGM-164

Networked audio metering unit

General specifications
  • Capacity: 64 audio channels input capability
  • Hot-swap features:
    • 4 slots of 16 channels (8 stereo pairs) each
    • All cards hot-swappable
    • Input card types automatically recognized
  • Accuracy: Level processing performed at 16 bit resolution
  • Monitoring: 1 slot for analog and AES/EBU monitor outputs
  • Serviceability: All firmware is stored in field programmable FLASH memory
  • Supported audio scales:
    • NORDIC (IEC 60268-10 Type I)
    • DIN PPM (IEC 60268-10 Type I)
    • BBC PPM (IEC 60268-10 Type II)
    • VU (IEC 60268-17)
    • VU EXT (IEC 60268-17)
    • DIGITAL (IEC 60268-18)
Analog input cards
  • Type: Analog with +24dB capability
  • Capacity: 16 mono input channels (8 stereo pairs) per card
  • Alarms: Alarm detection for audio loss, over level and out-of-phase on adjacent pairs
  • Input type: Differential
  • Input impedance: 40k Ohms
  • Input sensitivity: 0dBu
  • Input connector: DB25 female
  • Maximum input level: +24dBu
  • Frequency response at -3dB points: from 1Hz. to 20.2kHz
  • Frequency response at –0.5dB points: from 5Hz to 20kHz
  • A/D converte: Stereo 24 bit converter
  • Sampling frequency: 48kHz per channel
  • Accuracy: +/- 0.1dB @ 1kHz 0dB reading
Digital input cards
  • Type: AES/EBU (balanced/unbalanced selected by jumpers on the PCB)
  • Capacity: 8 AES/EBU pairs per card
  • Alarms: Alarm detection for audio loss, over level, out-of-phase on adjacent pairs and carrier loss detection
  • Input type: Differential 110 Ohm or Single-ended 75 Ohm
  • Input compatibility: RS422
  • Input connector: DB25 female
  • Input interface: Transformerless
  • Sampling frequency: 32, 44.1, 48kHz detected via input
  • Accuracy: +/- 0.1dB @ 1kHz 0dB reading
Physical
  • Dimensions overall:
    height: 44.5 mm | 1.75 in (1U)
    width: 483 mm | 19 in
    depth: 367 mm | 14.45 in
  • Weight: 7 kg | 14 lbs.
  • Power mains: 100-240V, 60Hz/50Hz
  • Power consumption: 60 W
  • Operating conditions: 0 - 40 °C | 32 - 104 °F at max. 90% relative humidity, non condensing

This product is an option of the following products

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