dB Technologies SUB 918 (18″ Active Subwoofer)

SKU: SUB 918 Category: Brand:
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SUB 918

Designed for ground stacked applications, SUB 900 is the perfect choice whenever a powerful lower extension is required.
SUB 918 is equipped with a single 18″ premium woofer housed into a bass-reflex design.
A 900 W RMS Class D Digipro G3 power amplifier ensures advanced efficiency as well as forcible sound pressure levels up to 134 dB.
SUB 918 is enabled for real time monitoring and remote control via RDNet protocol and Aurora Net software (Windows and Mac), allowing advanced subwoofer configurations alongside with perfect low-end matches with dBTechnologies’ full-range systems enabled to RDNet communications.
Both models of the family also feature on-board controls for attenuation, a polarity switch and DSP controls for a delay up to 4.5 milliseconds with 0.5 milliseconds steps (while a maximum 21 ms delay is allowed via Aurora Net). A second rotary allows to set crossover frequency from 70 to 110 Hz.
The robust plywood cabinet encases high-end performances in limited weight (41.8 kg ) and features 2 integrated handles on the top edges, while the back side is equipped with wheels mounting for smooth transportation.
What is more, being designed for both vertical or horizontal use, 2 M20 mounts on the top and side panels permits any type of full-range speaker led using a standard M20 threaded pole.
Features
  • Active Bass-reflex Subwoofers
  • 900W RMS Digipro G3 Amp
  • Up to 134 dB SPL
  • Real time control via RDNet
  • On-board delay control
  • On-board crossover point control
  • Designed to work vertically or horizontally
  • Integrated top-edge handles
  • 2x M20 threads on top and side

 

Technical Data
Speaker Type Active Subwoofer
Acoustical data
Frequency Response [-10dB] 42 to cut frequency (Xover dependent)
Max SPL (1 m) 134 dB
LF 18″
LF Voice Coil 4″
Amplifier
Amp Technology Digipro G3
Amp Class Class D
Peak Power 1800 W
Processor
Controller 28/56 bit DSP
AD/DA Converter 24 bit/48 Hz
Limiter Peak, Thermal, RMS
Crossover Frequency Variable (70Hz – 80Hz – 90 Hz – 100Hz – 110 Hz
Controls 1x Subwoofer Atteniation Control
1x Delay Rotary
1xXover Rotary
1x Polarity Switch
Input
Signal Input 1x XLR female
1x USB (data service)
Signal Output 2x XLR male
Mechanics
Housing Plywood
Handles 2 (1x side)
Pole Mount 2x M20 (1 on top + 1 on side)
Width 720 mm (28.3 in)
Height 530 mm (20.8 in)
Depth 690 mm (27.1 in)
Weight 41.8 kg (92.1 lbs)
Weight 47 kg
Dimensions 70 × 72 × 52 cm

Specification

Technical Data
Speaker Type 2-way Active Line Array Module
Acoustical data
Usable Bandwidth [- 6 dB] 67-20,000 Hz
Frequency Response [+/- 3dB] 78-18,100 Hz
Max SPL 135 dB
HF 1×1.4″
Voice Coil HF 3″
Type HF Neodymium, Titanium Diaphragm
LF 2×10″
Voice Coil LF 2.5″
Type LF Neodymium Aluminium Phase Plug
Horizontal Directivity 100°
Vertical Directivity depends on array size and configuration
Amplifier
Amp Technology Digipro G3 [bi-amped]
Amp Class Class-D
Power RMS 900 W
Peak Power 1800 W
Cooling Convection
Power Supply 900 W SMPS with Auto-range PSU
Processor
Controller DSP 56 bit
AD/DA Converter 24 bit/48 KHz
Limiter Dual Active Multiband Peak, RMS, Thermal
Processing (filters) FIR Linear Phase
Crossover Frequency LF-HF 950 Hz
Slope LF-HF 24 dB/Octave
Input
Signal Input 1xXLR fem, Bal.
Signal Output 1xXLR male, Bal.
Network RDNet remote control RJ45 connector IN/OUT
Power Socket 1xPowerCon TRUE1 IN

1xPowerCon TRUE1 Out

Controls 1xSpeakers Coupling (7 presets)

1x HF Compensation (8 presets)

1XInput Attenuation Rotary Switch

Mechanics
Housing Multiplex Plywood

Polyurea painted

Housing Design Trapezoidal 10°
Handles 2x side
Rain Cover Included
Rigging Points Integrated rigging hardware
Width 720 mm (28.35 in)
Height 320 mm (12.6 in)
Depth 520 mm (20.47 in)
Weight 28.6 Kg (63.00 lbs)

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