DB Technologies DVA T4 Active Line Array Module 8"/6.5"/1" 420

Db Technologies


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Active 3- Way Line-Array Module, 1x 8” Neo Woofer, Bandpass Design, 1x 6.5” hornloaded Neo Midrange Woofer incl. Phaseplug, 2x1” Neo Compression Driver with 100°x15° CD-Horn, integrated Class- T Amp, 420 W / RMS, 24-bit DSP 96 KHz Sampling_Rate, 24-Bit AD-Converter, analog input limiter + 3-Band Compressor, PFC-Switchmode Supply, Polypropylen-Plastic Housing with integrated Flyware, 16 switchable presets, XLR-Input, XLR-Paralell-Output, Neutrik PowerCon incl. Slave-Out, 80 – 19.000 Hz, 128 dB SPL peak. Dimesions: 23" x 9.5" x 13", Weight: 30.5 lbs
Power Cable Included. Please specify DPC-15, or C01 

A three-way active line array system, the DVA T4 has set new standards in the sound reinforcement industry since its 2007 market launch. Better yet, it has brought the benefits of real line array technology to a much wider range of users. More than 15,000 DVA T4 modules have shipped as of February 2011. Equipped with top-notch features and engineered for maximum versatility, the DVA T4 delivers premium performance and ensures excellent return on investment.

•    8 modules (2 m array) connected to one 16A phase place just 125 kg load on the pick-point
•    Fully powered units, freely scalable to setups of any size
•    Lossless signal path with no need for speaker cables
•    None of the impedance and amp channel availability concerns associated with passive models
•    Sequentially configurable array segments
•    Digital controller (DSP) onboard for utmost operating safety

The future of line arrays is active
Beside the accurate reproduction of a 3-way system with active DSP controlled amplification and all other advantages of active technology like phase- and line alignment, the active technology gives the advantage to optimize each Array-element due to its position in the system and the total number of combined line array units. The DVA T4 provides 8 different Setups to optimize for example the HF-response according to it's function (nearfield/midfield/farfield) or the low-mid-response due to the number of combined units. No lossfull and expensive speaker cabling is needed anymore.

Constant directivity
The DVA T4 Top is equipped with a constant directivity horn for the High and Mid section and offers a nominal coverage angle of 100°x15°. The CD-Horn provides high flexibility and a good natured attitude if for instance the Array is not aligned correctly. The DVA uses apart from the formation of cylindrical waves (very much depending on the number of T4 elements) the vector summing of the individual horns. This means that with growing distance to the source (if set up correctly) the listener perceives more and more vector sums of the single elements. However it has to be considered, that the fewer elements are used to spread the sound to a specific area, the stronger must be the curving of them. That’s how the effect of optimised SPL distribution is managed.

The wide frequency response from 80 - 19.000Hz and the horizontal dispersion of 15° offers flexible handling without additional Subwoofer e.g. for background-music and speech. For other applications like live music the matching Subwoofer SUB S20 can be added to the system. The integrated digital Class-T™ Amplifier provides a power of 420 Watt/RMS with an efficiency of 90% and drives the system three ways active. The innovative Class-T™ design offers in comparison to other digital amplifiers an outstanding sound quality with superb high-frequency sound, equal to a Class A/B circuit. The integrated 24-Bit DSP operates the active crossover, the active EQ, the Limiter-control and all safety-circuits. In addition to that, the DVA T4 is equipped with an innovative power-factor-corrected power supply, operating from 85 to 260 V which allows up to eight DVA T4 to be connected to one 16 amp AC-braker.


Technical data

Speaker Type 3-Way Active Line Array Module

Acoustical data

Frequency Response [+/- 3dB] 80 - 19.000 Hz
Max SPL One Unit: 128 dB
HF 2x1 "
Type HF Neodymium Compression Driver
Voice Coil HF 1.4 "
Directivity 100x15 °
Horn Integrated CD Horn
MF 6.5 "
Type MF Neodymium
Sealed Basket
Phase Plug
Horn Loaded
Voice Coil MF 1.5 "
LF 8 "
Type LF Neodymium
Voice Coil LF 2.5 "


Amp Technology Digital Class-T, var. clock frequency
Amp Class Class D
Power Supply with PFC SMPS
HF Amp 100 W/RMS
MF Amp 100 W/RMS
LF Amp 220 W/RMS
Cooling Convection


Controller Analog Devices
DSP 24 bit/48 kHz
System Presets 8, HF/Low-mid correction
Limiter Dual Active Limiter
RMS, Peak, Thermal
Crossover Frequency MF-HF 1800 Hz
Slope MF-HF 24 dB/Octave
Crossover Frequency LF-MF 400 Hz
Slope LF-MF 24 dB/Octave

Input Section

Signal Input 1x XLR fem, sym
Input Sensitivity [dBu] -00 - Max -2 dBu
Signal Output 1x XLR male, sym.
Power Socket 1x Powercon In
1x Powercon Out
Voltage Range 90 - 240 V


Housing Polypropylen PP
Housing Design Trapezoidal
Color Black, White
Handles 1x per side
Front Grille 1.5mm metall grille with acoustic foam in back
Rigging Points Integrated rigging hardware
Width 580 mm (23.2 in)
Height 240 mm (9.6 in)
Depth 327 mm (13.08 in)
Weight 13.8 kg (30.42 lbs)