Sub 28D
Sub 28D
Sub 28D
Sub 28D
Sub 28D
Sub 28D
Sub 28D
Sub 28D
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SUB 28D
Sub 28D
Active Subwoofer 2x8" 800 Watt
Active Subwoofer 2x8" 800 Watt
We engineered the SUB 28 D to provide low-end reinforcement for compact satellites such as dBTechnologies L and K Series speakers.

This light and lean enclosure houses two 8“ woofers driven by a 800W digital power amp and an onboard digital stereo x-over.

Setting up mono and stereo satellite systems is a piece of cake with this amp and
DSP on board.

Technical Data
Speaker Type
Active Bandpass Subwoofer
Acoustical data
Frequency Response [-10dB]
45 - 150 Hz
Max SPL
125 dB
Directivity
omnidirectional
LF
2x8 "
Amplifier
Amp Technology
Digipack™
Amp Class
Class D
Peak Power
800 W
Processor
Controller
DSP 24 bit/ 48 kHz
Phase
0, 180 °
Limiter
Dual Active Limiter
Crossover Frequency MF-HF
100 Hz, 24dB/Octave
System Presets
Flat, Boost
Input
Signal Input
2x XLR
Signal Output
2x XLR X-Over Out/ Link Out
Mechanics
Housing
Multiplex with H.E.T coating, reinforced
Width
290 mm (11.6 in)
Height
520 mm (20.8 in)
Depth
505 mm (20.2 in)
Weight
19.5 kg (42.99 lbs)
Notes: The data are not binding; dBTechnologies reserves the right to modify the data at any time and without previous notice.
/images/299/807/70x70/nocrop/q-100/align-4/ICON_DSP.png
DSP: Digital Sound Processor
These models come with a powerful DSP. Serving as an active crossover and controller, it splits and limits the signal and aligns phases and delay times.
Best of all, it even enables dBTechnologies' engineers to fine-tune the enclosures for the most balanced response.
It is this perfect balance that ensures your signals - speech, playback tracks, and live music – are sent accurately in every detail.
That makes a dBTechnlogies product a real all-rounder for every sound reinforcement challenge.
/images/299/820/70x70/nocrop/q-100/align-4/ICONES_XOVER.png
X-over
The cross over (X-over) is the intersection point of different frequencies from different ranges.
In sound systems it delimitates the areas in which low, mid, and high frequencies work.
A cross over is also an electronic object, active or passive, which comands the division of the frequencies' areas.
In other words, it separates an incoming full range signal into two or more areas of frequency.

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