The SPX-90 is a full-range, self-powered sound reinforcement system with a rotatable horn and a tightly controlled vertical dispersion pattern. This feature enables to use the SPX-90 as a stand alone system or to be flown as a downfill below an SPX line-array system.

The SPX-90 packs a carefully matched 12-inch mid/bass driver and a 1.4-inch HF driver, which is loaded on a rotatable constant directivity horn with 90 degrees horizontal and 60 degrees vertical dispersion. The SPX-90 excels in smooth acoustic coupling, vocal transparency and SPL in small to medium sized configurations. Together with an accompanying sub low system, like an SP15 or SP18 sub cabinet, the frequency response can be extended an octave downwards. For most programme material the power balance between one SPX-90 and two SP15's or one SP18 sub-low will be just right.

The SPX-90 is part of the SOUND PROJECTS Sigma Series (hybrid line-array line) and is the result of endeavours to create the ultimate modular sound reinforcement system. It encompasses a ribbon source line-array as well as more conventional point source systems.


Technical spec data





Acoustical specifications:


- Drivers: 1 x 1.4”, 1 x 12" High Power

  Low weight Neodymium design.

- Freq. response: 60Hz-20kHz

- Max. peak SPL @1m: 134dB crest factor 2 (6 dB)

- Coverage angle: 90H x 60V (rotatable)


Electrical specifications:


- Amplifier(s): MA1000™ technology

- Output: 1000W sine (DALC limited)

- Crossover: 1 kHz, 4th order

- Filter subsonic: 60Hz, 2nd order

- Input impedance: 20 kOhms balanced, 10 kOhms unbalanced

- Output impedance: hard-wired to input

- Power consumption.

- Mains voltage: 230V (other on request)

- Mains frequency: 50/60 Hz

- Idle: < 50VA

- Full load: 300 VA. DALC limited Ref.

   to continuous pink noise signal

  (6 dB crest factor within the specified range)

- Protection

- D.A.L.C. (Dual AudioLogic Control)

- Protection threshold: +4dBU

- Transient (soft power-up)

- DC-voltage short-circuit

- LED indication: power-on/signal/protect



Additional descriptive data:


- Cabinet construction: cross grain laminated multiplex

- Finish: Nano-armor™ coating

- Weight: 32 kg

- Size WxHxD (mm): 395x600x405 (trapezoid)

- Rigging points: Integrated SPX flypoints, recessed polemount.

- Audio connectors: IEC XLR-3 in/out

- Main connectors: powercon in, powercon out

- Max. operating temp.: -10 to 40 C ambient

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