Specifications, Functional block diagram – JBL VRX900 User Manual
Page 8
SPECIFICATIONS
VRX918S - 18" Subwoofer
System Type:
Frequency Range (-10 dB) :
Frequency Response (±3 dB) :
Input Connection Modes:
Recommended Crossover:
Power Rating
(Continuous / Program / Peak):
Maximum SPL :
Sensitivity (1w @ 1m):
LF Driver:
Nominal Impedance:
Active Tunings:
Mounting :
Suspension / Mounting:
Enclosure:
Finish :
Grille :
Input Connectors:
Dimensions (H x W x D):
Net Weight:
Optional Accessories:
VRX918S
18" bass-reflex subwoofer
31 Hz - 220 Hz
34 Hz - 220 Hz
Switchable, +1/-1 or +2/-2
High-pass: Butterworth 18 dB/oct, 31 Hz
Low-pass: Linkwitz-Riley 48 dB/oct, 80 Hz
800 W / 1600 W / 3200 W
130 dB SPL peak
95 dB SPL
1 x JBL 2268H 457 mm (18 in) Differential Drive woofer
8 ohms
Use SRX718S tunings
Top mounted M20 threaded socket for optional SS4-BK pole
Optional VRX-AF line array frame kit or 10mm eyebolt (Part #229-00009-01)
Rectangular, 18 mm, 13-ply birch plywood
Black DuraFlex finish
Powder coated, 16-gauge perforated steel with acoustical transparent charcoal foam backing.
Neutrik® Speakon® NL-4 (x2)
508 mm x 597 mm x 749 mm; (20.0 in x 23.5 in x 29.5 in)
37 kg (81 lb)
SRX718S-CVR: Pull-over padded cover
SS4-BK: Adjustable, heavy-duty pole,
M20 thread to 35 mm pole mount
WK-4: Caster kit
VRX-AF Array Frame
Eyebolt Kit (Part #229-00009-01)
Functional Block Diagram
1
1
3
2
4
5
6
1. “Frequency Range” and “Frequency Response” are based on half-space conditions.
2. IEC filtered noise with 6 dB crest factor, 2 hours.
3. Calculated based on power rating and sensitivity.
4. White version does not include pole mount feature.
5. White version uses JBL Pro White Duraflex Finish.
6. White version grille is powdercoated white with acoustically transparent white cloth backing.
8