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You‘ve made the right choice!
We have designed this product to operate reliably over many years. LD Systems stands for this with its name and
many years of experience as a manufacturer of high-quality audio products.
Please read this User‘s Manual carefully, so that you can begin making optimum use of your LD Systems product
quickly.
You can find more information about LD SYSTEMS at our Internet site WWW.
lD-SYSTEMS
.COM
Introduction
The LD Systems DDQ subwoofers are powerful active bass speakers with digital signal processing for demanding
PA applications. They are precisely adapted for combination with the full-range speakers of the DDQ Series and are
equally suitable for use with satellites made by other manufacturers.
The compact cabinet designs are loaded with speakers with neodymium magnets driven by two 700-watt Hypex
Class D power amplifier modules with a highly efficient switching power supply and a total peak output of 2800
watts (1400 watts RMS).
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 subwoofers have 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 cabinets of the DDQ subwoofers are made of 18mm thick multiplex with an extremely durable polyurethane finish.
They are equipped with two M20 threaded flanges and ergonomic handles and prepared for mounting of casters.
Содержание DDQ SERieldddQSUB212
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