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SoundStructure SR 12 Installed Audio Sound Reinforcement Solution

  • Immersive audio experience
  • Easy installation
  • Breakthrough feedback elimination


Clear, powerful audio for big spaces

The SoundStructure SR12 is an ideal solution for reinforcing sound in a range of environments, including houses of worship, stadiums, conference centers, hotels, night clubs and restaurants. Audio processing features including feedback elimination, dynamics processing and advanced equalization options ensure consistent microphone pickup for a variety of challenging acoustical applications.

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What is discussed and shared at our townhalls is so important and it’s crucial that we have a high level of employee engagement. By breaking down barriers and making sure we had an open space for all employees to assemble, provided that collaborative, open atmosphere that we strive for.

Martin Longley , MYOB Service Delivery Manager


SoundStructure SR12 Feature


  • Dimensions
    • 19” x 13.5” x 1.75” in (483 x 1343 x 45 mm) (W x L x H) (one rack unit)
    • 12 lbs. (5.5 kg) dry, 14 lbs. (6.4 kg) shipping
    • Connectors
    • RS-232: DB9F
    • OBAM In/Out: IEEE 1394B
    • CLINK2 : RJ45
    • LAN: RJ45
    • Control /Status: DB25F
    • Audio: Mini (3.5mm) quick connect terminal blocks
    • IR Receive: Mini (3.5mm) quick connect terminal block
    • Internal supply
    • Input voltage of 90-250 VAC; 50-60 Hz; line power requirements (including 0.6 PF): 105VA (SR12)
    • Thermal dissipation (Btu/hr): 215 Btu/hr
    • 0 to 40°C operating temperature
    • Phantom power: 48 V DC through 6.8kOhm series resistor per leg, 7.5mA per channel, software selectable
    • Analog input Gain: -20 to 64 dB on all inputs in 0.5 dB teps, software adjustable
    • Maximum input amplitude: +20.4 dBu, 1% THD + N
    • Nominal level: 0 dBu (0.775V rms)
    • Equivalent input noise: <-122 dBu, 20 - 20,000 Hz, Rs=150 Ohms (1%)
    • Input Impedance: 10 kOhms
    • Input EMI Filter: Pi filter on all audio inputs
    • Output Gain: -100 to 20 dBu in 1 dB steps, software adjustable
    • Maximum output amplitude: +23 dBu, 1% THD + N
    • Nominal output level: 0 dBu (0.775 V rms)
    • Output impedance: 50 Ohm, each leg to ground, designed to drive loads > 600 Ohms
    • Output EMI Filter: Pi filter on all audio outputs
    • Frequency response: 20-22,000 Hz, + 0.1 /- 0.3 dB
    • Idle channel noise: <-109 dB FS no weighting, 20 - 20,000 Hz, -60dB FS, 0.997 kHz input signal, 0 dB gain
    • Dynamic range:
      • 109 dB FS no weighting, 20 - 20,000 Hz, -60 dB FS, 0.997 kHz input signal, 0 dB gain
    • Linearity: 0 dB FS to -122 dB FS +/- 1 dB
    • THD+N: < 0.005%, -20 dB FS input signal
    • Common Mode Rejection Ratio: <-61 dB, 20 - 20,000 Hz, no weighting
    • Cross talk: <-110 dB, 20-20,000 Hz, 1kHz, channel-to-channel
    • Latency: Mic/Line inputs to outputs: 5msec, 20 msec with NC processing enabled
    • Noise cancellation: 0-20 dB, software selectable
    • Control Inputs: Contact closure
    • Status Outputs: Open collector 60V and 500mA maximum per output
    • All signal ground pins connected to chassis ground through low impedance planes
    • * Unless noted, all values are valid for all channels at 0dB input gain
Data Sheet


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