is-18 & is-18a High Output Installation Subwoofers
is-18 and is-18a Features
- 18“ transducer with rubber surround and 4“ (100 mm)
- voice coil
- 600 W/1200 W, long term/program power handling (IS-18)
- 600 W continuous power (IS-18a)
- Usable response down to 35 Hz
- Max long term output 131 dB
- High-density wood enclosure with durable textured finish
- Ideal companion for i-Class full-range systems
- Restaurants and cafes
- Bars and clubs
- Corporate facilities
- House of worship
- Retail outlets
i-Class systems are designed for AV contractors seeking a high-performance alternative to plastic box loudspeakers. By combining professional-grade components and rugged wood enclosures, i-Class models deliver sonic performance that far exceeds their competition.
For systems requiring greater LF extension, the is-18 and is-18a vented subwoofers are the perfect companions for the i-Class full-range models. Both subwoofers combine precision, low-pass crossovers with a professional-grade driver that incorporates a large, 4-inch voice coil for increased power handling and decreased power compression. Optimally tuned ports work in concert with the direct radiating driver to achieve a perfect balance of impact and definition.
The is-18a’s onboard class A/B amplification produces 600 watts continuous power output. A variable, 18 dB per Octave high-pass output allows easy satellite integration, while a phase switch ensures perfect LF alignment and staging. Large heat-sinks and efficient amplifier design eliminate the need for noisy cooling fans.
Both models feature robust, multi-ply wood enclosures with a rugged industrial-grade coating. The cabinet front features a protective steel grill with a water resistant powder coating.