GP218-sw
WideLine™ Ground-Support Subwoofer
Features
•Very high acoustic output capability – 140.5 dB SPL (1m) peak
•Tight musical “punch” combined with
•Elegant transport and handling features including an optional transport dolly plus soft cover and four thoughtfully placed handles
•
•18 mm Birch ply enclosure with independent, dual chambers and extensive internal bracing for rigidity and solid, accurate reproduction
The
For suspension in permanent installations each
For
The 18" woofers incorporate a double layer spider and triple roll surround for extended and controlled excursion at extreme power. The 4" voice coil is wound on a fiberglass former to prevent deformation at high operating temperatures and is extensively
vented to reduce power compression. An aluminum demodulating ring is employed for low distortion.
The extremely musical yet powerful performance of the subwoofer is the result of carefully balancing the transducer selection, cabinet volume and port tuning. The resulting system offers plenty of “punch” while maintaining ample extension so the musically important and satisfying fundamentals are solidly and accurately reproduced.
The enclosure of the
Despite the extremely large amount of air moving in the ports, careful attention to detail has resulted in a system that is free of port distortion “chuffing”. Ample port area allows massive amounts of air to move freely with minimal turbulence and the ports are arranged so as to eliminate asymmetrical loading of the woofers, which can result in distortion and voice coil failure related to
Like its “flyable” brother, the
QSControl.net™/ BASIS™ DSP files are available for download. They have been fine tuned for use with the