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User\'s manual
LD-Systems LDV212B Passive Subwoofer
The LDV212B is a high-performance, compact subwoofer designed especially for use with VA4 line array elements. They can be flown or used in a ground stacking variant. The rugged band pass cabinet made of 15 mm birch plywood optimises bass
transmission starting at 38 Hz. Two 12\'\' custom speakers with neodymium magnets and heavy-duty 3\'\' voice coils ensure a maximum sound level pressure of 128 dB.
The LDV212B has a power rating of 700 W RMS and is easy to carry thanks to the ergonomically milled handles. The features include a durable DuraCoat finish, Neutrik NL-4 sockets as inputs and outputs, and an M20 threaded flange for spacer bars.
Thanks to the integral flyware (BGV C1) and an optional rigging frame, the subwoofer is ideal for use with an LDVA4 line array. Of course, the subwoofer can also be used in conjunction with many other LD SYSTEMS full range speakers both for ground
stacking as well as for using with the spacer bar solution.
Product type
PA subwoofer
Type
Passive
Low/mid driver dimensions
2 x 12 "
Woofer size
2 x 304 mm
Woofer magnet
Neodymium
Woofer brand
Custom-made
Woofer voice coil
3 "
Woofer voice coil (mm)
76.2 mm
Load rating (RMS)
700 W
Frequency response
38 - 200 Hz
SPL (1W/1m)
100 dB
Max. SPL
128 dB
Impedance
4 Ohm(s)
Loudspeaker inputs
1
Speaker input connections
Neutrik NL-4
Loudspeaker outputs
1
Speaker output connections
Neutrik NL-4
Cabinet material
15 mm Plywood
Cabinet surface
Dura Coat LX Texture Paint
Cabinet construction
Bandpass
Width
520 mm
Height
487 mm
Depth
520 mm
Weight
32 kg
Features
Ready for flown operation with VA4 line array , Threaded flange M20
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JBL VRX 932LA 12'' 2-way 800W RMS Line Array Loudspeaker System
Key Features :
Constant Curvature Array - The waveguide mounts three compression drivers on a
continuous arc enabling them to work together acoustically as if they were a single driver.
Amplitude Shading- Convenient series of switches on each enclosures that controls
the output of each high frequency section in the array.
Suspension and Rigging.
Dual Angle Pole Socket - JBL's dual angle pole sockets
allow great flexibility in aiming the enclosure.
Differential Drive? Woofer.
Specifications:
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Frequency Range
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:
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57 Hz - 20 kHz(-10 dB)
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Frequency Response
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75 Hz - 20 Hz (+/-3db)
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Coverage Pattern
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100 x 15 nominal
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Crossover Modes
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4 Ohms Bi-amp / passive,
externally switchable
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Crossover Frequency
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132 dB SPL peak 1.2 kHz
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Power Rating2 (Continuous / Program / Peak)
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Passive: 800 W / 1600 W / 3200 W
Bi-amp LF: 800 W / 1600 W / 3200 W
Bi-amp HF 75 W / 150 W / 300 W
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System Maximum SPL
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Passive: 130 dB SPL peak
Bi-amp LF: 130 dB SPL peak
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System Sensitivity (1w @ 1m
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Passive: 95 dB SPL
Bi-amp LF: 95 dB SPL
Bi-amp HF: 114 dB SPL
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LF Driver
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1 x JBL 2262H 305 mm (12 in) neodymium magnet
Differential Drive? with dual
voice-coils and magnetic gaps
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HF Driver
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3 x JBL 2407J, 25.4 mm (1.0 in)
voice-coil, neodymium magnet
compression driver
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Nominal Impedance
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Passive: 8 ohm
Bi-amp LF: 8 ohm
Bi-amp HF: 8 ohm
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Active Tunings
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Tunings available at www.jblpro.com
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Enclosure
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18 mm, 11-ply birch plywood
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Suspension / Mounting
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120 Volts: 9.5 A; 230-240 volts; 5.0 A Optional VRX932LA-AF line array
frame kit
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Finish
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Black DuraFlex? finish
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Grille
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Power coated, black, 16-guage perforated steel with with acoustically transparent foam
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Input Connectors
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Neutrik? Speakon? NL-4 (x2)
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Dimensions (H x W x D)
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349 x 597 x 381 mm
(13.75 x 23.5 x 15.0 in)
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Net Weight
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21.8 kg (48 lb)
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Optional Accessories
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VRX932LA-AF: Suspension array frame
SS2-BK: Tripod speaker stand
SS3-BK: Satellite speaker pole,
41 in (1041 mm)
SS4-BK: Adjustable satellite speaker pole to be used with the SRX718S only
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The SR-S4S is a two-way line array speaker ideal for short distance sound transmission and configures a line array by arranging speaker elements vertically close to each other. It can be converted into the bi-amplifier drive system by changing the internal connection. It can be used for high-impedance applications with the installation of the optional MT-S0601 Matching Transformer.
| Enclosure | Bass-reflex type | | Power Handling Capacity | Continuous program: 600 W (single-amp mode)
Low 240 W, High 240 W (bi-amp mode) | | Rated Impedance | 8 Ω (single-amp mode)
Low 8 Ω, High 8 Ω (bi-amp mode) | | Sensitivity | 93 dB (1 W, 1 m) | | Frequency Response | 70 - 20,000 Hz (when using DP-0206 (option)) | | Crossover Frequency | 3,500 Hz | | Directivity Angle | Horizontal: 90゜, Vertical: 10゜ | | Speaker Component | Low frequency: 10 cm cone-type × 8
High frequency: 2.5 cm balanced dome-type × 24 | | Input Connector | M5 screw terminal, distance between barriers: 12.2 mm
and Neutrik NL4MP × 2 | | Finish | Enclosure: MDF, white, paint
Front grille: Punched steel plate, white, acrylic paint | | Dimensions | 160 (W) × 892 (H) × 303 (D) mm | | Weight | 16 kg | | Accessory | Bi-amplifier drive rating label …1, Bi-amplifier drive input indication label …1 | | Option | Matching transformer: MT-S0601, Extension plate: SR-EP4,
Flying bracket: SR-FB4, Wall tilt bracket: SR-TB4,
Stand adapter: SR-SA4, Protection pad: SR-PP4,
Digital processor: DP-0206 |
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The SR-S4LWP is a two-way line array speaker ideal for long distance sound transmission and configures a line array by arranging speaker elements vertically close to each other. It satisfies the water protection requirements set down in the IPX4 Standard. It can be converted into the bi-amplifier drive system by changing the internal connection. It can be used for high-impedance applications with the installation of the optional MT-S0601 Matching Transformer.
| Enclosure | Sealed type | | Power Handling Capacity | Continuous program: 600 W (single-amp mode)
Low 240 W, High 240 W (bi-amp mode) | | Rated Impedance | 8 Ω (single-amp mode)
Low 8 Ω, High 8 Ω (bi-amp mode) | | Sensitivity | 94 dB (1 W, 1 m) | | Frequency Response | 70 - 20,000 Hz (when using DP-0206 (option)) | | Crossover Frequency | 3,500 Hz | | Directivity Angle | Horizontal: 90゜, Vertical: 0゜ (within the range of speaker height) | | Speaker Component | Low frequency: 10 cm cone-type × 8
High frequency: 2.5 cm balanced dome-type × 24 | | Connected Cable | Direct cable withdrawal from internal speaker: φ8.6 mm,
conductor cross section: 1.25 m㎡, 4-core cable, 3 m | | Operating Temperature | -10℃ to +50℃ | | Water Protection | IPX4 | | Finish | Enclosure: Plywood, white, urethane coating
Front grille: Punched stainless steel (SUS304), white, paint | | Dimensions | 160 (W) × 895 (H) × 255 (D) mm (excluding connected cable) | | Weight | 16 kg | | Accessory | Bi-amplifier drive rating label …1, Bi-amplifier drive input indication label …1 | | Option | Matching transformer: MT-S0601, Extension plate: SR-EP4WP,
Wall mounting bracket: SR-WB4WP, Wall tilt bracket: SR-TB4WP,
Protection pad: SR-PP4, Digital processor: DP-0206 |
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The VRX932LAP is a powered, lightweight, compact 12" two-way line-array speaker system designed for use in arrays of up to five units. VRX932LAP is the ideal choice when line-array performance is needed but the venue size doesn't call for the very long-throw characteristics of larger line-arrays and a fast and easy setup is vital.
| Features : | | Specifications : |
- Built-in JBL Drivepack® DPC-2 amplifier module designed by Crown provides 1750 Watts of peak Power. DSP based resident input module provides system optimization and EQ functionality.
| - JBL's exclusive neodymium magned Differential Drive® woofer for high-power capacity and light-weight.
| - VRX932LAP features 3 x 2408J Annular Ring Diaphragm HF drivers. The 2408 represents the latest in JBL Professional compression driver design.
| - Constant Curvature waveguide for unprecedented array coherence.
| - Integral rigging hardware for simple connection of enclosures and optional array frame. Dual angle pole socket for aiming flexibility.
| - Array Configuration Selector permist "array shading“.
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| Power Rating | : | 1750 Watts Peak
875 Watts Continuous |
| | Frequency Range | : | 57 Hz - 20 kHz
(-10 dB) |
| Dimensions
(H x W x D) | : | 349 mm x 597 mm x 444 mm
(13.75 in x 23.5 in x 17.5 in) |
| | Frequency Response | : | 75 Hz - 20 Hz
(+/-3db) |
| | Maximum Peak Output | : | 136 dB SPL at 1m |
| | Coverage Pattern | : | 100 x 15 nominal |
| | DPC-2 Output as (Continuous IED shaped pink noise into rated load impedance) | : | LF: 750 Watts, HF: 125 Watts |
| | DPC-2 Output Sectoin | : | LF: Dual-Bridged Technology™, Class D |
| | Autio Input Connector | : | XLR with loop through |
| | LF Driver | : | 1 x JBL 2262FF 305 mm (12 in) neodymium magnet |
| | HF Driver | : | 3 x JBL 2408J, 38 mm (1.5 in) |
| | User Controls | : | Input Attenuator (0-16 dB) |
| | Signal Processings | : | DSP based, resident in Input Module |
| | AC Power Operating Range | : | 90-132 VAC or 216-264 VAC, 50/60 Hz |
| | 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 | : | 25/15 mm, 11-ply birch plywood |
| | Suspension / Mounting | : | Optional VRX-AF line array frame kit, 10mm forged eyebolts or internal dual angle 36mm pole mount cup for pole or tripod mounting |
| | Finish | : | Black DuraFlex™ finish |
| | Grille | : | Powder coated, black, 16-gauge perforated steel with with acoustically transparent foam |
| | Net Weight | : | 24 kg (52 lb) |
| | Optional Accessories | : | VRX-AF: Suspension array frame | | |
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The VT4881A is designed to deliver high quality sound reinforcement of VLF (Very Low Frequency) musical information for a variety of applications including concert audio and theatrical presentations of all types.
| Features : | | Specifications : |
- Advanced technology component: Differential Drive®, dual voice coil, Direct Cooled™ cone transducer.
| - Independently accessible voice coils, enabling external parallel or series wiring.
| - Advanced construction techniques and hybrid materials provide exceptionally rigid, lightweight enclosure.
| - Rugged DuraFlex™ exterior finish; weatherized components Integrated S.A.F.E.™ suspension system: premium heat-treated alloys provide high-strength, reliable hanging arrays.
| - For ground-stacked or suspended applications in stand-alone arrays or in combination with other VERTEC® system products.
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| Frequency Range | : | 25 Hz - 160 Hz (-10dB) |
| | Frequency Response | : | 34 Hz - 125 Hz (± 3 dB) |
| | Continuous Power Rating | : | 2000W |
| | Sensitivity | : | 91 dB, 1W / 1m (2.83 Vrms at 3.3 ft) |
| | Nominal Impedances | : | 8 ohm |
| | Dimensions (W x H x D) | : | 787 mm x 569 mm x 654 mm
(31 in x 22.4 in x 25.8 in) |
| | Weight | : | 50.4 kg (111 lb) | | |
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