Frequency Response 51 Hz to 320 Hz (±3 dB), measured at 1 meter on-axis using swept-sine in an anechoic environment
Usable Low Frequency Limit 41 Hz (-10 dB point)
Continuous Power Handling 600 W
Program Power Handling 1,200 W
Peak Power Handling 2,400 W
Sensitivity 98 dB SPL at 1 watt, 1 meter in an anechoic environment (2.83 V input)
Maximum Continuous Sound Pressure Level 126 dB SPL at 1 meter
Maximum Peak Sound Pressure Level 132 dB SPL at 1 meter
Transducer Complement One 18-inch 1808-8 AL CP Pro Rider® woofer, vented
Box Tuning Frequency 43 Hz
Recommended Active Crossover Frequency and Slope 120 Hz at 24 dB/octave LR
Recommended Infra-sonic Filter High-pass filter set to 40 Hz or higher at 24 dB/octave LR
Nominal Impedance 8.0 Ω
Minimum Impedance 5.7 Ω
Input Connections Two 1/4-inch phone jacks and one four-pin twist lock connector, connected in parallel
Passive Subwoofer Crossover Not included
Enclosure Materials and Finish Internally braced plywood coated in a black textured polyurethane finish
Grille Full-length, wrap-around perforated steel grille with a black powder-coated finish
Pole Mount Top-mounted pole mount plate with M20 threads
Included Pole Threaded mounting pole
Suspension Points 12 M8 threaded mounting points: three on top, three on bottom, two on each side, one at the top rear, and one at the bottom rear
Floor Support Four large rubber feet on the bottom
Dimensions (H × W × D) 26.38 × 22.84 × 24.5 inches (670 × 580 × 622 mm)
Net Weight 77 lbs (35.0 kg)
Minimum Amplifier Headroom 3 dB
Maximum Rigging Enclosure Angle 30 degrees
Rigging Eyebolt Requirements Forged steel shoulder machinery eyebolts designed for rigging, M8 size with 1.25 mm thread pitch, conforming to DIN 580 or ASTM A489; BGV-C1 is the relevant standard for Germany
Minimum Rigging Eyebolt Shank Length 26 mm
Minimum Rigging Eyebolt Working Load Rating 1,000 lbs straight pull
Custom Mounting Bracket Bolt Requirements Certified metric grade 8.8 or better
Connections and filtering The SP® 118 requires external electronic crossover filtering; no passive subwoofer crossover is included. For high-power operation, the manual recommends a high-pass filter set to 40 Hz or higher at 24 dB/octave.
