Presonus STUDIOLIVE 18SAI 18" Powered Subwoofer
The StudioLive 18sAI is the powered 18" subwoofer in the StudioLive AI-series loudspeaker line. It is designed to compliment full-range StudioLive AI-series speakers while being flexible enough to work with other powered loudspeakers.
Interestingly, it incorporates more digital signal processing than any competitive full-range speaker on the market. This allows it to function as the final component of a true 4-way system when used with StudioLive AI full-range models.
The StudioLive 18sAI utilizes the same 2x500-watt bridged power amplifier distribution that powers the low-frequency woofer in the StudioLive 312AI, 328AI, and 315AI. It also features stereo inputs that, with analog pass-thru, can be summed mono.
The 18sAI features two DSP contours optimized for live performance and enhanced low end. It also offers three delay presets: 0m for use with a full-range speaker atop the sub; 1m for use with a full-range speaker on a separate speaker stand; and 2m for use with a full-range speaker on stage.
Advanced 24-bit floating-point digital signal processing.
Like the StudioLive AI-Series full-range models, the SL18sAI was tuned by master speaker designer Dave Gunness using Fulcrum Acoustic's proprietary algorithms.
This results in a truly "smart" subwoofer capable of DSP control of:
- True 4-way integration with full-range StudioLive AI models
- DSP-monitored temperature, over-voltage and excursion limiting
- Multiple onboard delay setting to optimize the 18sAI with three common subwoofer positions
- Three DSP contours
The robust onboard CPU in the StudioLive 18sAI makes possible an extensive set of control features for customizing and optimizing the system and for monitoring and fine-tuning performance in real time.
SL Room Control software provides the StudioLive 18sAl with wired and wireless remote control of:
- Speaker delay
- Mute and solo
- Polarity invert
- Output level
Output-level performance monitoring constantly provides information for:
- Excursion limiting
- ADC clip detection
Other SL Room Control features include:
- Network setup wizard and network scanning to automatically detect all speakers
- Network browser
- Group speaker management with mute, solo, and group graphic EQ
- External Sub mode
- Custom labels for each speaker
- Preset save and load
All these DSP features are wirelessly controllable from SL Room Control for iPad, OS X, and Windows.