ISP Pro Audio


Ground stacked line array system in 4-box design.

Eight 12 inch woofers, two 4 inch midrange compression drivers, and 4 neo HF drivers. 3400 watts RMS. Available in mirror imaged stereo pairs.

Reference quality sound.

– Three-way active Ground Stack Line array system.
– 12-inch woofers, 4-inch midrange compression driver, 1-inch throat high frequency compression drivers.
– Expandable.
– More economical than conventional 12-inch line array boxes.
– 1700 Wrms 3-channel amplifier with electronic crossover included.

Made with Baltic Birch

Configuration: 3-way

LF Driver: 4 x 12 inch, 500 W rms per driver, vented.
MF Driver: 4 inch compression, 125 W rms.
HF Driver: (Standard) 2 x 2 inch v.c. compression, 80 W rms, titanium diaphragm, on Constant directivity horn.

(option) 2 x 1.75 inch v.c. compression, 60 W rms, polyester diaphragm, on CD horn.

Coverage: 90 degree Horizontal x 18 degree Vertical.

Construction: Baltic Birch Plywood. Powder coated Steel grille.
Finish: Black Rubberized Polyurethane.

Connector: XLR or 1/4“ for audio input. 3-pin IEC for AC power.
Dimensions: 24” W x 27” H x 18.5” D per box.
Weight: 115 lbs. per box.

Amplifier: 2 x 600 + 300 + 2 x 100 W rms, 5 channels, high current DCAT, fan cooled (2-box stack). Built-in electronic crossover (4th order).
Power Required: 14 Amps x 120 VAC (2-box stack).
Freq. Range: 52 Hz to 19 KHz (-10 dB)
Freq. Response: 65 Hz to 17.5 KHz (+- 3 dB), @1 W

Calculated Output: 2-boxes @ 1 meter
LF: 133 dB SPL (long term), 134 dB SPL (peak).
MF: 132 dB SPL (long term), 136 dB SPL (peak).
HF: 133 dB SPL (long term), 134 dB SPL (peak).

4-boxes @ 1 meter
LF: 139 dB SPL (long term), 140 dB SPL (peak).
MF: 137 dB SPL (long term), 141 dB SPL (peak).
HF: 138 dB SPL (long term), 139 dB SPL (peak).

System Capabilities