Designed to complement the SP Series family of enclosures,this ported subwoofer utilizes an 18'' pro Rider woofer with Kevlar/carbon-fiber cone and field-replaceable basket,flat-wound 4'' vioce coil and cast-frame basket.Achieves a frequency respones of 49 HZ  to 300 HZ and 2,400 watts peak power handing.

Technical Info

Dimensions (H x W x D): 30.750 x 20.875 x 29.250 in. (781 x 530 x 743 mm)

Net Weight: 84.5 lbs (38.4 kg)

Frequency response, 1 meter on-axix, swept-sine in anechoic environment: 49Hz to 300Hz (+/- 3 dB)

Usable low frequency limit (-10 dB point): 34Hz

Power handling:

600 Watts continuous

1,200 Watts program

2,400 Watts peak

Maximum sound pressure level (1 meter):

126.0 dB SPL continuous

132.0 dB SPL peak

Radiation angle measured at -6 dB point of polar response: essentially omnidirectional

Transducer complement: One 18 in. woofer, vented 1808-8 ALCP Pro Rider

Box tuning frequency: 42Hz

Minimum recommended active crossover frequency and slope for bi-amping:

90Hz at 18 dB/octave

High-pass filter 35 to 40 Hz at 12 to 24 dB/octave is recommended

Imdedance (2):

Nominal: 8.0 Ω

Minimum: 6.5 Ω

Input connections:

One 4-pin Neutrik jack

Two 1/4 in. jacks

All inputs in parallel