LD Systems LDDDQSUB18 – 18″ ACTIVE PA SUBWOOFER 1400 watt with DSP EOL-DEMO

1,612.00 incl. GR VAT

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EAN: 4049521154980
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User’s Manual Data sheet The LD Systems DDQ Sub 18 is a powerful active subwoofer with digital signal processing for demanding PA applications. It is precisely adapted for combination with the full-range speakers of the DDQ Series and is equally suitable for use with tops made by other manufacturers. The compact bass-reflex design is loaded […]

 

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User’s Manual
Data sheet

The LD Systems DDQ Sub 18 is a powerful active subwoofer with digital signal processing for demanding PA applications. It is precisely adapted for combination with the full-range speakers of the DDQ Series and is equally suitable for use with tops made by other manufacturers.

The compact bass-reflex design is loaded with an 18″ FaitalPRO bass speaker that has a 4″ voice coil and a neodymium magnet driven by two 700-watt Hypex Class D power amplifier modules with a highly efficient switching power supply with a total output of 1400 watts RMS. The DDQ Sub 18 attains a maximum sound-level pressure of 134 dB with a frequency response curve of 30 -120 Hz.

The Sharc DSP programmed especially for the DDQ subwoofers ensures distortion-free and reliable operation even at maximum volume levels with a 1ms look ahead limiter, frequency and phase correction, as well as all protection circuits, and has a large dynamic range of 127dB/113 dB (ADC/DAC). Seven DSP Presets permit selectable crossover frequencies between 80 and 120Hz. Eight additional presets make it possible to realize cardioid configurations of 2 or 3 subwoofers, whereby it is possible to attain rear attenuation of up to 20dB. In addition to XLR inputs and outputs, the DDQ Sub 18 has a separate mono output with a 100Hz high-pass filter. Additional features are LED function indicators and a ground lift switch; the volume and preset controls can be deactivated to prevent inadvertent adjustment.

The cabinet of the DDQ Sub 18 is made of 18mm thick multiplex with an extremely durable polyurethane finish. It is equipped with two M20 threaded flanges and ergonomic handles and is prepared for mounting of casters.

  • Type: active
  • Version: DSP-controlled
  • Woofer size: 18“
  • Woofer size: 457.2 mm
  • Woofer magnet: neodymium
  • Woofer brand: Faital Pro
  • Woofer voice coil: 4 “
  • Woofer voice coil: 76.5 mm
  • Amplifier: Class D
  • Power output (RMS): 2 x 700 W
  • Frequency response: 30 Hz – 120 Hz
  • Max. SPL (continuous): 126 dB
  • Max. SPL (peak): 134 dB
  • Protection: DSP-based “look ahead” limiter, RMS speaker limiter, RMS power supply limiter, short circuit, overvoltage
  • Controls: Gain dB, DSP Preset, Ground Lift, DSP/Gain enable, Power
  • Indicators: DSP/ Gain disable, Peak Limit, Signal, Operate
  • Line inputs: 2
  • Line input connectors: XLR
  • Line outputs: 3 (2x Input Link, 1x Sat Out with 100Hz high-pass)
  • Line output connectors: XLR
  • Power supply: switching power supply
  • Operating voltage: 180-264V ~ / 47-63 Hz
  • Cabinet material: 18 mm plywood
  • Cabinet surface: polyurethane
  • Cabinet type: bass reflex
  • Width: 510 mm
  • Height: 700 mm
  • Depth: 725 mm
  • Features: 15 x DSP presets with 4 selectable cardioid setups and 7 selectable crossover frequencies (80-120Hz),  2 x threaded flange (M20), 3 x corner handles, prepared for mounting of casters
Weight 45.00 kg

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Quick Comparison

LD Systems LDDDQSUB18 - 18" ACTIVE PA SUBWOOFER 1400 watt with DSP EOL-DEMO removeRCF SUB 718-AS ACTIVE SUBWOOFER 18'' 700W removeTurbosound 960012 Milan M18 ACTIVE SUBWOOFER 1000W cont. 8Ω removeDAS AUDIO AVANT 18A ACTIVE SUB 750W 18'' removeDAS AUDIO AVANT 118A ACTIVE SUB 1250W 18'' removeRCF SUB 8004-AS Professional Series 2500W 18" Active Subwoofer remove
NameLD Systems LDDDQSUB18 - 18" ACTIVE PA SUBWOOFER 1400 watt with DSP EOL-DEMO removeRCF SUB 718-AS ACTIVE SUBWOOFER 18'' 700W removeTurbosound 960012 Milan M18 ACTIVE SUBWOOFER 1000W cont. 8Ω removeDAS AUDIO AVANT 18A ACTIVE SUB 750W 18'' removeDAS AUDIO AVANT 118A ACTIVE SUB 1250W 18'' removeRCF SUB 8004-AS Professional Series 2500W 18" Active Subwoofer remove
ImageRCF SUB 8004-AS
SKULDDDQSUB18SUB 718-ASE005679AVANT18AAVANT118ARCSUB8004AS
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Description
The black SUB 8004-AS Professional Series Active Subwoofer from RCF features a high-power, hypervented 18" woofer with 4" inside/outside voice coils designed to deliver a serious amount of low frequency. Powered by a 2500W digital amplifier module, the SUB 8004-AS can perform in the most demanding situations. The input board includes volume control, deep/punch switch, high-pass switch, phase switch, cardioid, and time delay. The sub is stackable and lightweight for easy set up and tear down, thanks to the ergonomic handles. A pole receptacle on top and side allows the use of the sub in various configurations. The powder coated front grille integrates a special transparent-to-sound foam backing on the inside to further protect the transducer from dust.
Powerful Class-D Amplifier
RCF's Class-D power amplifier technology packs huge performance, operating with high efficiency into a lightweight solution. RCF amplifiers deliver an ultrafast attack, realistic transient response, and impressive audio performance. The amplifier features a solid machined aluminium structure, which not only stabilises the amplifier during transportation but also helps the fan-less heat dissipation. All the amplifiers present SMPS power supply section to produce maximum output and minimum weight.
The Transducers Innovators
RCF developed advanced transducer technology including the application of high-tech materials such as neodymium, carbon fiber, pure titanium, kevlar, kapton, and mylar hybrids. RCF has been instrumental in technological inventions such as carbon fiber cone molding, double silicon spiders, inside/outside voice coil windings to edge wound voice coil manufacturing and pure titanium diaphragm forming.
Legendary Subwoofers
RCF subwoofers are the first choice of many sound engineers, thanks to the very high SPL levels at very low frequencies, small dimensions compared to the competitors, self-powered design, internal delay control, cardioid configuration options and impressive size/weight to SPL output ratio.
Cabinet & Mechanics
The RCF cabinets are made of baltic birch plywood coated with a textured black finish. The subs are stackable and lightweight, for easy set up and tear down, thanks to the ergonomic handles. A pole receptacle on top and side allows the use of the box in various configurations. The powder coated front grille integrates a special transparent-to-sound foam backing on the inside to further protect the transducers from dust.
Applications
Live sound, rental, portable PA, clubs, ballrooms, live theatres, houses of worship, theme parks, music playback, and sound reinforcement in small- and mid-size venues, and corporate A/V professionals and sound system hire companies
ContentUser's Manual Data sheet

The LD Systems DDQ Sub 18 is a powerful active subwoofer with digital signal processing for demanding PA applications. It is precisely adapted for combination with the full-range speakers of the DDQ Series and is equally suitable for use with tops made by other manufacturers.

The compact bass-reflex design is loaded with an 18" FaitalPRO bass speaker that has a 4" voice coil and a neodymium magnet driven by two 700-watt Hypex Class D power amplifier modules with a highly efficient switching power supply with a total output of 1400 watts RMS. The DDQ Sub 18 attains a maximum sound-level pressure of 134 dB with a frequency response curve of 30 -120 Hz.

The Sharc DSP programmed especially for the DDQ subwoofers ensures distortion-free and reliable operation even at maximum volume levels with a 1ms look ahead limiter, frequency and phase correction, as well as all protection circuits, and has a large dynamic range of 127dB/113 dB (ADC/DAC). Seven DSP Presets permit selectable crossover frequencies between 80 and 120Hz. Eight additional presets make it possible to realize cardioid configurations of 2 or 3 subwoofers, whereby it is possible to attain rear attenuation of up to 20dB. In addition to XLR inputs and outputs, the DDQ Sub 18 has a separate mono output with a 100Hz high-pass filter. Additional features are LED function indicators and a ground lift switch; the volume and preset controls can be deactivated to prevent inadvertent adjustment.

The cabinet of the DDQ Sub 18 is made of 18mm thick multiplex with an extremely durable polyurethane finish. It is equipped with two M20 threaded flanges and ergonomic handles and is prepared for mounting of casters.
  • Type: active
  • Version: DSP-controlled
  • Woofer size: 18“
  • Woofer size: 457.2 mm
  • Woofer magnet: neodymium
  • Woofer brand: Faital Pro
  • Woofer voice coil: 4 "
  • Woofer voice coil: 76.5 mm
  • Amplifier: Class D
  • Power output (RMS): 2 x 700 W
  • Frequency response: 30 Hz - 120 Hz
  • Max. SPL (continuous): 126 dB
  • Max. SPL (peak): 134 dB
  • Protection: DSP-based "look ahead" limiter, RMS speaker limiter, RMS power supply limiter, short circuit, overvoltage
  • Controls: Gain dB, DSP Preset, Ground Lift, DSP/Gain enable, Power
  • Indicators: DSP/ Gain disable, Peak Limit, Signal, Operate
  • Line inputs: 2
  • Line input connectors: XLR
  • Line outputs: 3 (2x Input Link, 1x Sat Out with 100Hz high-pass)
  • Line output connectors: XLR
  • Power supply: switching power supply
  • Operating voltage: 180-264V ~ / 47-63 Hz
  • Cabinet material: 18 mm plywood
  • Cabinet surface: polyurethane
  • Cabinet type: bass reflex
  • Width: 510 mm
  • Height: 700 mm
  • Depth: 725 mm
  • Features: 15 x DSP presets with 4 selectable cardioid setups and 7 selectable crossover frequencies (80-120Hz),  2 x threaded flange (M20), 3 x corner handles, prepared for mounting of casters

Features

    700 Watt digital amplification
    132 dB max spl
    18" High power woofer, 4" voice coil
    Xover selector, phase switch and high pass outputs
    Electronic equalization, soft limiter and protection
    Stereo Xlr/Jack combo input, Stereo Xlr signal output

Acoustical Specifications

    Frequency Response -3 dB: 40 Hz ÷ Xover point kHz
    Max SPL: 132 dB
    Woofer: 18“, 4" voice coil

Input/Output Section

    Input connectors: Combo stereo Jack-XLR male
    Output connectors: Combo stereo XLR female

Processor Section

    Crossover frequencies: 80 - 120 Hz
    Protections: Limiter
    Limiter: Fast limiter, rms limiter
    Controls: Volume, phase, crossover switches

Amplifier Specifications

    Total power: 1000 W

Cabinet

    Cabinet Material: Baltic Birch
    Handles: 2 on sides
    Pole Mount/Cap: yes
    Colour: Black

Physical Specifications

    Height: 650/25.5 mm/inch
    Width: 504/19.84 mm/inch
    Depth: 650/25.5 mm/inch
    Net Weight: 40.4/89.06 kg/lbs

The MILAN M18 is a self-powered bandpass subwoofer enclosure consisting of an 18" low frequency driver housed in an optimally tuned enclosure, together with an integrated lightweight 1kW Class D amplifier.

The amplifier provides two input channels with balanced jack/XLR connectors, and two link outputs on male XLRs, providing connections to further Milan mid-high cabinets or subwoofers. A filtered high-pass output also provides connections to other mid-high cabinets. The left and right signals are summed in the subwoofer through a low-pass filter to the 18" driver. A sub level control is provided in order to achieve an even level between the subwoofer and Milan mid-high cabinets. The M18 is available in two versions to suit regional AC mains voltages of either 110 volts or 230 volts, and mains power is supplied via an IEC mains connector.

The Class D amplifier features sophisticated signal processing which provides limiting functions to ensure high performance and long term reliability. Status LEDs indicate mains power, signal present and signal limit. The cabinet is constructed from 15mm laminated plywood and is finished in dark blue textured paint. A pole mount socket is fitted to allow Milan M15 cabinets to be mounted on optional 35mm speaker poles.

Full specifications
Net Weight     45kg (99lbs)
Dimensions     500mm x 700mm x 600mm (19.7" x 27.6" x 23.6“)
Components     1 x 18" (457mm) LF driver
Frequency Response     36Hz - 80Hz/125Hz ±3dB, 28Hz - 80Hz/125Hz ±10dB
Maximum SPL     125dB continuous, 131dB peak
Construction     18mm (3/4“) plywood enclosure finished in dark blue textured paint. Pole mount socket
Connectors     Input: (2) Jack/XLR female, wired pin 2 hot; Link: (2) XLR male, wired pin 2 hot;
Output: (2) XLR male, wired pin 2 hot; IEC mains connector
Flying Hardware     M10 rigging points on top and bottom
Spares & Accessories     LS-1816 18" (457mm) LF loudspeaker
RC-1816 Recone kit
M18AMP Amplifier module









Features

- Powered subwoofer system
– High output 18″ loudspeaker
– Polarity switch (0º-180º)
– Filtered ouput defeat switch
– Variable 60 -160 Hz high-pass filter
– Gain control

The Avant 18A is a powered subwoofer system designed to provide extended bass response for the Avant full-range cabinets. 

A 750 W Class D amplifier drives a D.A.S. 18H bass loudspeaker. The 18H loudspeaker incoporates a 4″ voice coil for high power handling and output. 

The subwoofer system includes two balanced inputs with stereo filtered output connections for satellite systems. The variable crossover ranges from 60 Hz-160 Hz and can be defeated to offer stereo "loop thru” connections. A gain control and polarity reverse feature increase user control over the system.   Technical Data
Nominal LF Amplifier Power750 W
Frequency Range (-10 dB)35 Hz-160 Hz
Rated Peak SPL at 1 m133 dB
Internal CrossoverElectronic Variable 60 Hz-160 Hz
Enclosure MaterialPlywood
Color/FinishBlack/Paint
ConnectorsInput: 2 x Female XLR
Loop Thru: 2 x XLR
AC Input: Male IEC
AC Requirements115 V, 50/60 Hz
230 V 50/60 Hz
Current Draw (1/3 power @ 230 V)1.5 A
Dimensions (H x W x D)63 x 54 x 65 cm
24.8 x 21.3 x 25.6 in
Weight39 kg (85.8 lb)
 

Features

- Powered horn-bass subwoofer system
– High output 18″ loudspeaker
– Polarity switch
– Filtered output defeat switch
– Variable 100 -160 Hz high-pass filter
– Gain control

The Avant 118A is a powered rear-loaded horn-bass subwoofer system designed to provide extended bass response for the Avant full-range cabinets.

A 1250 W Class D amplifier drives a D.A.S. 18LX log excursion bass loudspeaker. The 18LX loudspeaker incoporates a 4″ voice coil for high power handling and output.

The Avant 118A incorporates a 1250 W Class D amplifier with switch mode power supply (SMPS) and digital signal processing (DSP).The amplifier has a unique EQ switch which allows the user to select a Deep subbass response or a Loud bass response. The system includes two balanced inputs with stereo filtered output connections for satellite systems. The variable crossover ranges from 100 Hz-160 Hz and can be defeated to offer stereo "loop thru” connections. A gain control and polarity reverse feature increase user control over the system.

 

Technical Data

Nominal LF Amplifier Power1250 W (Class D)
Frequency Range (-10 dB)Loud: 50 Hz – 142 Hz
Deep: 45 Hz -138 Hz
Rated Peak SPL at 1 m136 dB
Internal CrossoverVariable 100-160 Hz
ConnectorsINPUT: 2 x Female XLR
LOOP THRU: 2 x Male XLR
AC INPUT: PowerCon NAC 3
AC OUTPUT: Powercon NAC 3
AC Requirements115 V, 50 Hz/60 Hz
230 V, 50 Hz/60 Hz
Current Draw (1/3 power @ 230 V)2.7 A
Enclosure MaterialBirch Plywood
Color/FinishBlack/Iso-Flex Paint
Dimensions (H x W x D)84 x 60 x 65.5 cm
33 x 23.6 x 25.8 in
Weight55 kg (121 lb)

 

Configuration Active Subwoofer
Enclosure Type Subwoofer
Total Power Capacity 2500 W Peak 1250 W RMS
Amplifier Class Class-D
HF Driver None
MF Driver None
LF Driver 1 x 18" / 45.7 cm Woofer
LF Voice Coil Dual 4" / 10.2 cm  
Frequency Response 30 Hz to 120 Hz
Maximum SPL 136 dB
Input Sensitivity -2 dBu (Min) 4 dBu (Max)
Protections RMS, Thermal
Audio I/O 1 x XLR 3-Pin Female Balanced Line Input 1 x XLR 3-Pin Male Balanced Line Output
Network I/O None
USB None
Wireless Connectivity None
EQ None
Parametric EQ None
Semi-Parametric EQ None
Filters Low-Pass: 90 Hz / 120 Hz
Dynamic Processing Fast Limiter
Alignment Delay None
Phase Adjustment Yes
Digital Signal Processing Delay
AC Input Power Factory Selectable: 100 to 120 VAC, 50 / 60 Hz (T 10 A H 250 V)
AC Power Connector 1 x powerCON Input (Locking) 1 x powerCON Output (Locking)
Handles 1 x Each Side
Cooling Convection
Construction Material Plywood
Certifications CE *as per Manufacturer
Dimensions 27.6 to 22 x 27.6" / 700 to 558 x 700 mm
Weight 123 lb / 55.8 kg
 
Weight45.00 kg40.40 kg45.00 kg39.00 kg55.00 kg56 kg
DimensionsN/AN/AN/AN/AN/AN/A
Additional information
Weight 45.00 kg
Weight 40.40 kg
Weight 45.00 kg
Weight 39.00 kg
Weight 55.00 kg
Weight 56 kg