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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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The SR-C15BWP Sub-woofer system is designed to be used in conjunction with the SR-C8LWP or SR-C8SWP Line Array Speaker. Recommended digital processor is the DP-0206 (optional).
| Enclosure | Bass-reflex type | | Power Handling Capacity | Continuous program: 450 W | | Rated Impedance | 8 Ω | | Sensitivity | 93 dB (1 W, 1 m) | | Frequency Response | 40 - 400 Hz (when driven with the optional DP-0206's recommended parameters) | | Crossover Frequency | 125 Hz (when driven with the optional DP-0206's recommended parameters) | | Speaker Component | 38 cm (15“) cone-type | | Connected Cable | Direct cable withdrawal from internal speaker: φ8.6 mm (φ0.34“),
conductor cross section: 1.25 m㎡ (0.05“), 4-core cable, 3 m (9.84 ft) | | Operating Temperature | -10℃ to +50℃ (14゜F to 122゜F) | | Water Protection | IPX4 | | Finish | Enclosure: Plywood, black, urethane coating
Front grille: Punched stainless steel, black, paint | | Dimensions | 526.6 (W) × 594.8 (H) × 550 (D) mm (20.73" × 23.42" × 21.65“) | | Weight | 41 kg (90.39 lb) | | Accessory | M8 connection bolt …4 | | Option | Rigging frame: SR-RF8WP
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 VT4880 Dual 18" Subwoofer Line Array Element is designed to deliver high quality sound reinforcement of sub-low frequencies for live music and a variety of applications.
| Features : | | Specifications : |
- Advanced Technology Components: Differential Drive® Neodymium Magnet, Dual Voice Coil, Direct Cooled™ cone transducers.
| - 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.
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| Frequency Range | : | 26 Hz - 160 Hz (-10dB) |
| | Frequency Response | : | 29 Hz - 120 Hz (± 3 dB) |
| | Continuous Power Rating | : | 2000W |
| | Sensitivity | : | 98 dB (1 W/m) |
| | Nominal Impedances | : | 2 x 8 ohms |
| | Dimensions (W x H x D) | : | 1229 x 493 x 860 mm
(48.4 x 19.4 x 33.9 in) |
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The SR-C15B Sub-woofer system is designed to be used in conjunction with the SR-C8L or SR-C8S Line Array Speaker. Recommended digital processor is the DP-0206 (optional).
| Enclosure | Bass-reflex type | | Power Handling Capacity | Continuous program: 450 W | | Rated Impedance | 8 Ω | | Sensitivity | 93 dB (1 W, 1 m) | | Frequency Response | 40 - 400 Hz (when driven with the optional DP-0206's recommended parameters) | | Crossover Frequency | 125 Hz (when driven with the optional DP-0206's recommended parameters) | | Speaker Component | 38 cm (15“) cone-type | | Input Connector | M5 screw terminal, distance between barriers: 12.2 mm (0.48“)
and Neutrik NL4MP × 2 | | Finish | Enclosure: Plywood, black, urethane paint
Front grille: Punched steel plate, black, paint | | Dimensions | 526.6 (W) × 594.8 (H) × 550 (D) mm (20.73" × 23.42" × 21.65“) | | Weight | 41 kg (90.39 lb) | | Accessory | M8 connection bolt …4 | | Option | Rigging frame: SR-RF8
Digital processor: DP-0206 |
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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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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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