Highly efficient, powerful low-frequency loudspeaker fitted with two 18″ transducers with exceptional size-to-power ratio (148.5 dB SPL short-term peak @ 1 m)
Finished with Polyurea, featuring amazing durability and superior physical properties
Design file for Outline ‘Openarray’ 3D acoustic simulation software
High-quality permanent installations in any location which requires extended low-frequency reinforcement including dance clubs, live music venues, indoor sports arenas, theme parks and modern worship locations
An ideal partner for all Outline line/point source systems
Description
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
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
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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