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Innovox Audio ULA-12.8
600W Uniform Line Array Block Speaker


The Innovox Audio ULA-12.8 is a stackable, ultra-low profile line-source loudspeaker.
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The Innovox Audio ULA-12.8 is a stackable, ultra-low profile line-source loudspeaker.  With 12x 4" woofers tight-packed alongside 8x ribbon high-frequency devices, peak output reaches 129 dB at 1 meter.  The ULA-12.8 can stack to produce line lengths of 12 feet (3 units) for tight, consistent pattern control through the entire vocal range.  For very reverberant spaces, the 3-unit stack can provide clear, intelligible speech with throw past 100 feet.  Very smooth response, built-in passive crossover and non-steered design makes the ULA-12.8 very simple to set up and EQ.

A low-frequency array version is also available (model ULA-12.0), which allows placement of the full-range array units at optimum height while maintaining proper line length.

Innovox Audio ULA 12.8 Specifications:

  • Frequency Response: 120 Hz - 20 kHz
  • Sensitivity: 96 dB @ 2.8 volts / 1 meter
  • Impedance: 8 ohms
  • Power Handling: 600 watts, program
  • Maximum Output: 129 dB peak @ 1 meter
  • Nominal Coverage Angles: 120┬░ H x 8┬░ V
  • Dimensions: 53.3" x 8.1" x 3.0"
  • Shipping Weight: 49 lbs.
  • System Configuration: Stackable continuous low-profile line array with tandem LF/HF sections
  • Components and Loading: (12) 4" cone LF drivers; (8) 5" ribbon HF tweeters.
  • Recommended High Pass Filter: 4th order @ 100 Hz
  • Cabinet Type: Sealed box
  • Enclosure Material: Cold-rolled steel with composite endcaps
  • Connectors: Neutrik Speakon NL4 and dual binding-head screws
  • Suspension Hardware: (4) 1/4-20 points in rear corners; dual OmniMount 120.0-series compatible patterns
  • Grill: Integral fabric wrap

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