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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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HX-5W
Variable Dispersion Speaker System.
Four speaker modules ensure high power and high quality.
The changeable orientation of each of the four speaker modules
independently allows the directivity angle of the speaker system
to be adjusted. Built-in passive network ensures appropriate sound
quality. Ideal for both permanent and temporary installations,
including both vertical and horizontal positioning. Equipped
with a convenient carrying handle. Can be mounted directly on
a wall or suspended by wire, chain or shackle with no need
to use optional brackets. Optional mounting brackets allow
use in a wide variety of applications, including suspension,
ceiling mounting, wall mounting, and speaker stand mounting.
Mounting procedures are described in the instruction manuals
enclosed with the mounting bracket or stand adapter.
Specifications:
Enclosure Type Bass Reflex
Power Handling Continuous Pink Noise; 200W: Continuous Program; 600WRated
Impedance 8ohms
Sensitivity (1 W, 1m) 96 dB (60° mode), 97 dB (45° mode),
98 dB (30° mode), 99 dB (15° mode)
Frequency Response(Deviation -10dB) 70 to 20,000 Hz (60° mode)
75 to 20,000 Hz (45° mode) 80 to 20,000 Hz (30° mode) 85 to 20,000 Hz (15° mode)
Crossover Frequency 4kHz
Directivity Angle Horizontal: 100° (over 2,000 Hz) Vertical: 60° (over 800 Hz),
45° (over 1 .2 kHz), 30° (over 1 .6 kHz), 15° (over 3.2 kHz) variable
Speaker Component Low frequency: 12 cm (5“) cone-type x 4
High frequency: Balanced dome-type x 12
Input Terminal Speakon NL4MP x 2 and M4 screw terminal
Finish (Enclosure) Polypropylene, white
Dimensions 408 (w) x 546 (h) x 342 (d) mm 16 1/16 (w) x 21 1/2 (h) x 13 15/32 (d) inches
Weight 16kg
Accesory Hanging bracket x 2, Hex. wrench x 1
Options Matching transformer:MT-200,Speaker mounting bracket:HY-PFB,
HY-CW1W,HY-WM1W,HY-WM2W,HY-CN1W, Speaker stand adapter:HY-ST1 |
The SR-C8S is a 2-way Line Array Speaker featuring wave front control technology which creates a sound field with high sound clarity and uniform sound pressure. Recommended digital processor is the DP-0206 (optional). It can be converted into the bi-amplifier drive system by changing the internal connection.
| Enclosure | Bass-reflex type | | Power Handling Capacity | Continuous program: 360 W (single-amp mode)
Low: 360 W, High: 180 W (bi-amp mode) | | Rated Impedance | 16 Ω (single-amp mode)
Low: 16 Ω, High: 16 Ω (bi-amp mode) | | Sensitivity | 98 dB (1 W, 1 m) (single-amp mode)
Low: 95 dB (1 W, 1 m), High: 110 dB (1 W, 1 m) (bi-amp mode) | | Frequency Response | 65 - 20,000 Hz (when driven with the optional DP-0206's recommended parameters) | | Crossover Frequency | 1,600 Hz (when driven with the optional DP-0206's recommended parameters) | | Directivity Angle | Horizontal: 110゜, Vertical: 15゜ | | Speaker Component | Low frequency: 20 cm (8) cone-type“
High frequency: Wave front control horn 110゜ (horizontal) × 15゜ (vertical)
+ compression driver × 2 | | 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) × 293 (H) × 294 (D) mm (20.73 × 11.54" × 11.57“) | | Weight | 16 kg (35.27 lb) | | Accessory | M8 connection bolt …4 | | Option | Cluster bracket: SR-CL8
Rigging frame: SR-RF8
Tilt joint bracket: SR-TP8
Digital processor: DP-0206 |
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The VT4880A Dual 18" Ultra Long Excursion Subwoofer Line Array Element is designed to deliver high fidelity sound reinforcement of sub-low frequencies for a wide variety of live music and A/V support applications. Typical uses include concert audio and multi-media presentations where extended low-frequency performance is desired.
| Features : | | Specifications : |
- Advanced, Ultra Long Excursion Components: Differential Drive® Neodymium Magnet, Dual Voice Coil, Direct Cooled™ cone transducers
| - Advanced Construction Techniques and PlyMax™ panels provide exceptionally rigid, lightweight enclosure
| - Rugged DuraFlex™ exterior finish; weather-resistant components
| - Integrated Suspension System: premium heat-treated alloys. Hingebars included.
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| Frequency Range | : | 25 Hz – 160 Hz (-10 dB) |
| | Frequency Response | : | 29 Hz – 120 Hz (±3 dB) |
| | Continuous Power Rating | : | 4000W |
| | Sensitivity | : | 95dB (1W/1m) |
| | Nominal Impedances | : | 2 x 8 ohms |
| | Dimensions (W x H x D ) | : | 1229 mm x 493 mm x 860 mm
(48.3" x 19.4" x 33.9“) |
| | Weight | : | 83.9 kg (185 lb) | | |
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The SR-C8L is a 2-way Line Array Speaker featuring wave front control technology which creates a sound field with high sound clarity and uniform sound pressure. Recommended digital processor is the DP-0206 (optional). It can be converted into the bi-amplifier drive system by changing the internal connection.
| Enclosure | Bass-reflex type | | Power Handling Capacity | Continuous program: 360 W (single-amp mode)
Low: 360 W, High: 180 W (bi-amp mode) | | Rated Impedance | 16 Ω (single-amp mode)
Low: 16 Ω, High: 16 Ω (bi-amp mode) | | Sensitivity | 98 dB (1 W, 1 m) (single-amp mode)
Low: 95 dB (1 W, 1 m), High: 110 dB (1 W, 1 m) (bi-amp mode) | | Frequency Response | 65 - 20,000 Hz (when driven with the optional DP-0206's recommended parameters) | | Crossover Frequency | 1,600 Hz (when driven with the optional DP-0206's recommended parameters) | | Directivity Angle | Horizontal: 110゜, Vertical: 5゜ | | Speaker Component | Low frequency: 20 cm (8“) cone-type
High frequency: Wave front control horn 110゜ (horizontal) × 5゜ (vertical)
+ compression driver × 2 | | 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) × 293 (H) × 296 (D) mm (20.73 × 11.54" × 11.65“) | | Weight | 17 kg (37.48 lb) | | Accessory | M8 connection bolt …4 | | Option | Cluster bracket: SR-CL8
Rigging frame: SR-RF8
Tilt joint bracket: SR-TP8
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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