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11
VRX918SP - 18" POWERED SUBWOOFER
Frequency Range (-10 dB): 31 Hz - 180 Hz
Frequency Response (±3 dB): 34 Hz - 120 Hz
Maximum Peak Output, SPL1: 126 dB SPL at 1m
LF Driver: 1 x JBL 2268FF 457 mm (18 in) dual voice coil Differential Drive
®
woofer with
neodymium-magnet
Bandpass Nominal Impedance: LF: 2 x 2 ohms
DPC-2 Internal Amplification
Output (at nominal load):
1500 Watts Peak, 750 Watts Continuous
DPC-2 Output as (Continuous IEC shaped pink noise
into rated load impedance):
LF: 750 Watts
DPC-2 Output Section: LF: Dual Bridged Technology™, Class D
Audio Input Connector: XLR with loop through
User Controls: Input Attenuator (0-16 dB)
Selectable 80Hz or 120Hz Low Pass
80Hz High-Pass enable/ disable for XLR loop through
Signal Processing: DSP based, resident in Input Module
System Management: DSP based limiters for mechanical and thermal protection
AC Power Operating Range: 90-132 VAC or 216-264 VAC, 50/60Hz
AC Line Voltage: User selectable: 120V/240V (-15% +10%)
AC Input Connector: Neutrik PowerCon (NAC 3MPA)
AC Loop Through Connector: Neutrik PowerCon (NAC 3MPB)
AC Current Requirements: 6A per system at 120V, 3A per system at 240V
Enclosure: 18 mm, birch plywood.
Suspension / Mounting: Optional VRX-AF line-array frame kit or 10mm forged eyebolts
Finish: Black DuraFlex™ finish
Grille: Powder coated, black, 16-gauge perforated steel with acoustically transparent foam
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: 38.5 kg (85 lb)
Optional Accessories: VRX-AF array frame
SRX718S-CVR: Pull-over padded cover (works with WK-4S)
SS4-BK adjustable satellite speaker pole
WK-4S Caster kit
1
Maximum Peak output measured with IEC pink noise at 1 meter in front of speaker baffle under free space conditions. Measurement
instrument set to peak hold. Speaker muted and released at full power, recording maximum peak level.
FUNCTIONAL BLOCK DIAGRAM
Input
Output
Filters
80Hz
Signal Peak
Level
Sub
Power Amplifier
VRX_Powered_UsersGuid012808 copy 3.qxp 1/30/08 4:52 PM Page 11
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