(631) 752-9824

425 Oser Ave, Unit 3B
Hauppauge, NY 11788

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Description

Active Subwoofer, 21" Bassreflex

The DVA S1521N is a powered 21" subwoofer housed in a bass reflex enclosure that we tuned for accurate, ultra low-frequency response. It readily integrates into large DVA and DVX Series PA systems as a sub-bass unit or as a stacked subwoofer. Made of durable birch multiplex covered in robust black textured lacquer, the high-quality housing provides six carrying handles, an M20 pole mount, and bushings on the rear panel that accept casters. Pick-points for attaching DRK-10 and DRK-20 harnesses are built into the top panel to enable easy, safe stacking.

Top-notch 21" woofer

Serving as the units transducer is a state-of-the-art 21 woofer with neodymium magnets and a 4.5" voice coil. This combination of high-quality materials and sophisticated magnetic drivers yields some pretty impressive results. Even very low bass frequencies are rendered with pinpoint precision and hair-trigger transient response, treating audiences to a breathtaking audio experience.

SpecificationsTechnical data
Speaker TypeActive Bassreflex-Subwoofer
Acoustical data
Frequency Response [+/- 3dB]30 - 110 Hz
Max SPL139 dB
DirectivityOmnidirectional, Cardiod Option with DSP setup
LF21 "
Type LFRCF Neodymium
Voice Coil LF4.5 "
Amplifier
Amp Technologydigipro
Amp ClassClass D
Power Supply1.5 kW SMPS
LF Amp1500 W/RMS
CoolingConvection
Processor
ControllerDSP 56 bit
AD/DA Converter24bit/ 96 kHz
System PresetsX-Over
Delay
Phase0, 180 °
LimiterRMS, Peak, Thermal
Delay Option0-4.5 ms internal
Crossover Frequency LF-MFDSP, steps of 5 Hz
Slope LF-MF24 dB/Octave
Input Section
Signal Input1x XLR fem, sym.
NetworkRDnet, 2x RJ45
Signal Output1x Link XLR, male, sym
1x X-Over Out, XLR male, sym.
Power SocketPowercon In/Out
Voltage Range90 - 240 V
Mechanics
HousingMultiplex birch plywood
Housing DesignRectangular
ColorBlack
Surface TextureTextured acrylic lacquer
Handles3x Per Side
Pole MountM20
Front Grille1.5mm metall grille
Rigging Points2xM10 on top to fix DRK10/20 rigging frames
FlytracksNo
CastorsOptional
Width580 mm (23.2 in)
Height800 mm (32 in)
Depth720 mm (28.8 in)
Weight52.5 kg (115.74 lbs)

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