BASSBOSS VS21 MK3 2500 Watts

All about the VS21 MK3 2500 Watts

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VS21 MK3 Technical Overview

The VS21-MK3 Single 21” Powered Subwoofer offers low-frequency extension similar to vented dual 18” subwoofers in combination with the hard hitting punch of horn loaded subwoofers.

The VS21-MK3 brings the world of extended low frequency together with the world of highimpact You’re no longer forced to choose either deep OR punchy, as the VS21 offers both.

The VS21-MK3 is a vented, short horn hybrid sixth order bandpass which features a massive displacement, long excursion 21” woofer, rearloaded into a large acoustical volume that is tuned to a low frequency, and front-loaded onto a short horn. The vented enclosure section provides extended low frequency performance and the horn section provides increased upper frequency sensitivity and improved transient response.

The VS21-MK3 features a 2500W amplifier with an auto-sensing, globally compatible power supply that can run on mains supplies anywhere between 90 and 250 Volts. Full output power is available on anything over 110V. The amplifier’s high peak-output voltage provides for intense high SPL hits while its sustained output is unparalleled in its ability to deliver the liquid lows. The amplifier is passively cooled via its external heat-sink and by woofer-generated air-flow through the port. When necessary, two blower-fans will engage to provide additional forced-air cooling capacity in more extreme conditions.

New to the MK3 are Neutrik powerCON True 1 TOP (Total Outdoor Protection) waterproof mains connectors. Waterproof mains connectors along with a totally isolated input connection section and cones that are waterproofed make the MK3 series the powered loudspeakers that can be used outdoors without fear of what the weather will bring. (Or used indoors without fear of what the partiers bring.)

Electrical power is converted into the much more desirable acoustical power by a robust, neodymium motor, 21-inch woofer with a massive 4.5-inch (115mm) voice coil. Neodymium magnets are lighter, and their higher intensity provides higher efficiency, so the result is a lighter and louder cabinet than those with ferrite drivers.

New to the MK3 are Neutrik powerCON True 1 TOP (Total Outdoor Protection) waterproof mains connectors. This permits the levels of multiple loudspeakers to be adjusted together and yet independently from the levels of other groups of loudspeakers.

Electrical power is converted into the much more desirable acoustical power by two robust, neodymium motor, 18-inch woofers with massive 4.5-inch (115mm) voice coils. Neodymium magnets are lighter, and their higher intensity provides higher efficiency, so the result is a lighter and louder cabinet than those with ferrite drivers.

The MK3 features an all-new DSP. The comprehensive suite of processing includes high-pass and low-pass filters as well as multiple protection systems and limiters to prevent driver overload in as many ways as possible, including thermal, excursion and clipping. The five levels of protection actively prevent overheating of the voice coil, minimize long-term thermal compression and limit excursion. Because they operate in 5 different modes, the limiters are sophisticated enough to have a largely unnoticeable effect on the transient response and allow the subwoofer to deliver peak output safely.

The new DSP features an Ethernet interface. This can be used to control the cabinets from a computer or to load the ControlBASS software settings updates. The Ethernet connectivity in conjunction with the DSP board allows signal to be sent via Milan AVB. Future settings updates will provide access to this feature.

Within the software, multiple cabinets can be grouped together, allowing them to respond to commands simultaneously. This permits the levels of multiple loudspeakers to be adjusted together and yet independently from the levels of other groups of loudspeakers In addition to individual and grouped level controls, presets can be loaded and signal levels and temperatures can be monitored. Each cabinet includes a two-port switch so multiple cabinets can be chained on the same data cable.

The MK3 DSP features storage capacity of up to 100 presets, eight of which can be accessed at the touch of a button with no need for a connected computer. The eight directly accessible presets are compatible with all the presets in the MK3

Top Boxes and are also compatible with previous generation tops and subs.

Specifications

Acoustical

Loudspeaker Description: Single 21” self-powered 6th order hybrid subwoofer
Frequency Response (±3 dB): 28 - 100Hz
Maximum Sustained Output: 135 dB 1m (half-space)
Max SPL (Peak): 138 dB 1m (half-space)
Nominal Dispersion (H° x V°): 360 x 360 – Cardioid Mode Available with Multiple Boxes

Electrical

Amplification: 2500 Watts Class D
Processing: Integrated comprehensive DSP. 96kHz sampling rate with 8 push-button presets. All presets include high pass filters, low pass filters, phase alignment, equalization and multi-stage limiting. Storage capacity for up to 100 presets
Electrical Connectors, Amp: Neutrik powerCON True 1 TOP - IP65 rated waterproof connectors
Electrical Connector, Mains: USA 3-pin grounding 120V electrical plug NEMA 5-15; Outside USA alternate connectors provided
Voltage Operating Range: 100-240V AC, 50-60Hz (Auto-sensing, auto switching universal supply)
Current Draw, Nominal: 120V 4.6A (nominal); 240V 2.3A (nominal)
Signal Input Connectors: XLR-F
Signal Output Connectors: XLR-M (Direct pass-through, unprocessed)
LAN Connectors: EtherCON RJ45 (x2) with 2-port Ethernet switch

Physical

Enclosure Type: Vented, short-horn hybrid
Transducer: 1 x 21 in. diameter (540mm) neodymium motor woofer with 4.5 in. (115mm) voice coil.
Cabinet Construction: CNC machined 18 mm Baltic Birch plywood with extensive bracing and dado joinery with 4 x 35 mm pole sockets, 8 x integrated handles, 12 rubber feet. 8 interlocking foot pockets. 6 X M10 threaded fly points
Dimensions (HxWxD): 36” x 24” x 36” (91.44 cm x 60.96 cm x 91.44 cm) - 37.5” (95.25 cm) high with feet
Net Weight: 180 lbs. (82 kg)
Shipping Weight: 210 lbs. (104 kg)
Exterior Finish: High-pressure, bonded polyurea coating. Rugged, waterproof, textured black

Grill: Perforated, powder-coated steel
Pole Sockets: 4 (35 mm) pole sockets
Handles: 8 Integrated handles
Feet: 12 interlocking rubber feet
Suspension System: 16 X M10 threaded fly points

Optional

Transport Dollies (H or V): Birch plywood flat cart with 4 locking wheels and sockets to accept the cabinet feet. Vertical Transports 1 cabinet. Horizontal Transports up to 3 cabinets.
Covers: Heavy-duty padded nylon transport cover (Vertical)
Hardware: M10 Shoulder Eye Bolts, M10 Side-Pull anchors
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