SR-A18B
High Performance Subwoofer
SR-A18B
The SR-A18B is a sub-woofer system designed to be used in conjunction with the SR-A12L or SR-A12S Line array speaker. The SR-A18B employs the multi-amplifier drive system. Recommended digital speaker processor is the DP-SP3.
- Subwoofer adjusted with High Performance Speakers Type A
- Employs multi amplifier drive system
- 46 cm (18“) cone speaker
- 80 Hz crossover frequency
- 720 W continuous program
Enclosure
Bass-reflex type
Power Handling
Continuous program: 720 W
Rated Impedance
8 Ω
Sensitivity
95 dB (1 W, 1 m)
Frequency Response
40 - 400 Hz (when recommended parameters are applied by the optional DP-SP3)
Crossover Frequency
80 Hz (when recommended parameters are applied by the optional DP-SP3)
Speaker Component
46 cm cone-type
Input Connector
M4 screw terminal, distance between barriers: 10.0 mm
and Neutrik NL4MPXX x 2
and Neutrik NL4MPXX x 2
Finish
Enclosure: Plywood, black, paint
Front grille: Punched steel plate, black, acrylic paint
Front grille: Punched steel plate, black, acrylic paint
Dimensions
740 (W) x 573 (H) x 698 (D) mm
Weight
66 kg (including accessories)
Included Accessories
Joint plate …2, Joint plate mounting bolt (M10) …16
Optional Accessories
Rigging frame: SR-RF12
Please download Datasheet to access full specifications.
Optional Accessory
The subwoofer shall be a high-power, direct-radiating design suitable for suspension or ground placement. The transducer shall be a heavy-duty 18” (460 mm) driver with die-cast frame, vented pole piece, and a 4” (100 mm) edgewound copper-clad aluminum ribbon voice-coil. The enclosure shall be vented with a tuned port. The subwoofer input connectors shall include one M5 screw terminal connection and two Neutrik NL4 type sockets, wired in parallel for pass-through to additional speakers.
The subwoofer shall meet the following performance criteria. Power handling: 240 watts continuous pink noise (24 continuous hours, 40 Hz to 1 kHz), 720 watts continuous program. Frequency response (10 dB below rated pressure sensitivity, with recommended equalization): 40 Hz to 400 Hz. Pressure sensitivity (1 watt at 1 m, 50 Hz - 150 Hz avg.): 95 dB free field. Impedance: 8 ohms nominal.
The subwoofer enclosure shall be made of plywood and finished with black urethane paint. The subwoofer grille shall be made from a single punched steel plate and finished with black acrylic paint. The dimensions (W x H x D) shall be 29.13” x 22.56” x 27.48” (740 mm x 573 mm x 698 mm) and weight (including accessory brackets) shall be 145.5 lbs. (66 kg). The subwoofer enclosure shall be equipped with M10 threaded steel plates for the secure attachment of optional accessory brackets. Available accessory brackets for suspension and stand mounting shall be made of steel.
The subwoofer shall be TOA model SR-A18B.
The rigging frame shall be TOA model SR-RF12.
The tilt joint plate shall be TOA model SR-TP12.
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