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D-Sub1:

Incorporated digital amplifiers

Superior signalprocessing including Fletcher Munson Compensation:

The right amount of bass at all levels

Switch mode power supply's and power stages:

Superior mains-efficiency

High acoustic output in compact size

Easy to stack in various configurations

Low weight





Concept

Frequency range
Amplifier

Max SPL @ 1m

Dimensions
Weight
 
active high output Low-Q reflex sub
1x 18inch, long excursion, dual vented cooling
38-100 Hz
digital, 1500W processor controlled,
including FMC-implementation
134dB peak (single sub), 140dB (two subs). half space
(Calculated and confirmed in real life measurement using a pink noise burst)
HxWxD=80x55x65cm (netto; without wheels)
48kg

D-Sub1 bass concept consists of two separate single 18" subs to supplement one D-Top1. This concept of two smaller, separate subs offers great flexibility in transport as well as stacking possibilities. The separate D-Sub1 cabinets can be stacked in several ways to achieve ideal height for the D-Top1 (For best performance our D-Top1 needs to be stacked on a height of 150 to 180 cm) The D-Sub1 uses a very high performance, long excursion 18 inch subwoofer with highly improved voice coil cooling, raising long term power and reducing thermal compression to a mere 3 dB.

The computer designed large volume Low-Q reflex enclosure increases speaker load dramatically over a wide frequency range, resulting in up to 4dB netto gain in sensitivity, and substantially reducing cone excursion. A state of the art switching amplifier provides massive power at about 95% efficiency. This means an energy loss of only 75 watts at 1500 watts mains input. Advantages: No thermal problems, superb mains efficiency. Only 4A mains current draw @ max power. (=averaged value playing musical program, short bursts may show conciderably higher values) This means a complete D-sub/D-Top system may almost be driven to max power on only a 16 ampere /230V mains supply.

Newly developed smart processing ensures safe operating conditions for the drivers. Additionally, level dependant Fletcher Munson compensating bass processing is performed to achieve best performance at all sound levels.


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