| The
SUB 218 enclosure is a high output sub-bass system equipped with two
long-excursion 18” transducers. Consequently it is ideal for those
applications requiring super-powerful sub bass delivery, including live music
and dance venues. SUB 218 is particularly well-suited to reproducing modern
dance music as the design provides not only extended low-frequency
reproduction (down to 28 Hz) but also tremendous ‘punch’ in and around the
frequencies normally produced by both real and synthetic bass drums. This focus and clarity not only enhances the reproduction of program material but also makes the most efficient use of amplifier power. This is a result of Outline’s proprietary ‘E.R.P.’ (‘Energy Retentive Porting’) design. Based on the principles of fluid dynamics and successfully applied to the science of controlling pneumatic forces within a loudspeaker enclosure, this unique arrangement of specially-shaped ports ensures an optimum airflow. This reduces internal turbulence, maximising the efficiency of the transducers and thus allowing more amplifier power to be converted into acoustic energy. Such a design requires high-precision manufacturing techniques, and Outline’s engineering team have applied some original production techniques to turn an exciting concept into a physical reality. |
| PERFORMANCE
SPECIFICATIONS Frequency Response -10 dB 28 Hz – 250 Hz Suggested Cross-Over max 120 Hz Nominal Dispersion Quasi-Omnidirectional Impedance (Nom/Min) 2 x 8 Ω / 2 x 5.5 Ω Watt AES (Continuous/Peak) 2 x 1200 W / 2 x 4800 W Maximum SPL Output * 148.5 dB SPL * calculated using +10 dB Crest Factor signal @ 1 m, Half space PHYSICAL Component 2 x 18” direct radiation woofers Connectors 2 x NL4 Pins 1+/1-, 2+/2- Cabinet Material Baltic birch plywood Cabinet Finish Black polyurea coating Grille Epoxy powder coated Installation Points 16 x M8 threaded points Height 570 mm – 22 1/2” Width 1070 mm – 42 1/8” Depth 750 mm – 29 1/2” Weight 80 kg – 176.4 lb |
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