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Specs & Download

  • Up to 8 output channels
  • Up to 6 speakers per channel
  • Independent equalizer for each channel
    • 340 narrow bands automatic equalizer
    • 19 1/3 octave bands automatic or manual equalizer
  • High-powered amplifier providing 88 dBA at 1m
  • Up to 2 inputs for active volume control sensors
  • 4 music and paging inputs with independent 1/3 octave
    equalizers for each output channel
  • 2 inputs for wall mounted volume control knobs

VA-48-8CH

Updated September 28, 2022

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VA-48-8CH

Sound Masking Controller

Product Specifications

  • Up to 8 output channels
  • Up to 6 speakers per channel
  • Independent equalizer for each channel
    • 340 narrow bands automatic equalizer
    • 19 1/3 octave bands automatic or manual equalizer
  • High-powered amplifier providing 88 dBA at 1m
  • Up to 2 inputs for active volume control sensors
  • 4 music and paging inputs with independent 1/3 octave equalizers for each output channel
  • 2 inputs for wall-mounted volume control knobs

Outputs
Nb Outputs: 8
Max Nb Speakers/Outputs: 6
Max Nb Speakers/Controller: 48

Sound Masking
Sound Masking Volume: 30 to 88 dBA in 0.1 dB steps and mute
Sound Masking Equalizer: Auto-calibration process in 340 narrow bands of 19 1/3 octave bands from 100Hz to 6.3kHz
Sound Masking Ref Spectrum: 13 pre-set sound masking reference spectrums, unlimited user-defined spectrums
Sound Masking Volume Ramp-Up: User-defined, up to 30 days

Active Volume Control
Nb Sensor Inputs: 8
Max Nb Sensors/Input: 6
Control: Independent sound masking volume adjustment for each output channel
Masking Volume Change Rate: Adjustable down to 0.1 dB steps, updates every 15s
Active Adjustment Range: User-defined; maximum range: -7 to +3 dB relative to reference masking level

Music and Paging
Nb Inputs1: 4
Mixer: Independent for each output channel
Volume: 30 to 92 dBA in 0.1 dB steps and mute
Equalizer: 20 1/3 octave bands (125Hz to 6.3kHz)

Volume Control Knobs
Nb Inputs: 2
Mixer: Independent for each output channel (Sound Masking and/or Paging and Music)
Volume Range: User-defined

Volume Schedule
Schedule: 24 hour periods per day, 7 days
Volume: 0.1dB steps
Transition Ramp: Instant, 2min30sec, 5min, 10min, or 15min
Schedule Mixer: Independent for each output channel (Sound Masking and/or Paging and Music)
Daylight Saving Time: Automatic Adjustment depending on local time zone settings

Multiple controller units can be networked together to construct large sound masking projects.

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