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SPECIFICATIONS
VRX918S - 18" BASS-REFLEX SUBWOOFER
VRX918S
1. IEC filtered noise with 6 dB crest factor, 2 hours.
2. Calculated based on power rating and sensitivity.
3. White version does not include pole mount feature.
4. White version uses JBL Pro White Duraflex Finish.
5. White version grille is powdercoated white with acoustically transparent white cloth backing.
System Type: 18" bass-reflex subwoofer
Frequency Range (-10 dB): 31 Hz - 220 Hz
Frequency Response (±3 dB): 34 Hz - 220 Hz
Input Connection Modes: Switchable, +1/-1 or +2/-2
Recommended Crossover: High-pass: Butterworth 18 dB/oct, 31 Hz
Low-pass: Linkwitz-Riley 48 dB/oct, 80 Hz
Power Rating 800 W / 1600 W / 3200 W
(Continuous
1
/ Program / Peak)
Maximum SPL
2
: 130 dB SPL peak
Sensitivity (1w @ 1m): 95 dB SPL
LF Driver: 1 x JBL 2268H 457 mm (18 in) Differential Drive woofer
Nominal Impedance: 8 ohms
Active Tunings: Use SRX718S tunings
Mounting
3
: Optional VRX-AF line array frame kit or 10mm eyebolt
(Part #229-00009-01)
Suspension / Mounting: Top mounted M20 threaded socket for optional SS4-BK pole
Enclosure: Rectangular, 18 mm, 13-ply birch plywood
Finish
4
: Black DuraFlex finish
Grille
5
: Powder coated, 16-gauge perforated steel with acoustical transparent
charcoal foam backing.
Input Connectors: Neutrik
®
Speakon
®
NL-4 (x2)
Dimensions (H x W x D): 508 mm x 597 mm x 749 mm; (20.0 in x 23.5 in x 29.5 in)
Net Weight: 37 kg (81 lb)
Optional Accessories: SRX718S-CVR: Pull-over padded cover
SS4-BK: Adjustable, heavy-duty pole,
M20 thread to 35 mm pole mount
WK-4S: Caster kit
VRX-AF Array Frame
Eyebolt Kit (Part #229-00009-01)
9
FUNCTIONAL BLOCK DIAGRAM
VRXpassive_UG_081808 copy.qxp 8/18/08 11:37 AM Page 9
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