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Delta K28S

K-Standard Self Powered Dual 18" Intelligent Subwoofer
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Product at a Glance

The British Acoustics Delta K28S is a powerful subwoofer designed to deliver deep and impactful bass for professional audio systems. It features a frequency response of 29 Hz to 185 Hz and can produce a maximum SPL of 143 dB, powered by a 3000W continuous (6000W peak) amplifier. The subwoofer is equipped with dual 18" ultra low excursion drivers with 4" voice coils, ensuring robust and accurate low-frequency reproduction. The control interface includes a system gain knob, preset selection switch, polarity invert switch, and power switch. Connectivity options consist of two balanced XLR connectors for stereo and link. The Delta K28S operates on a universal power supply of 100-240 VAC and 50-60 Hz, making it adaptable to various power sources.

CRAFTSMANSHIP

Painstakingly Perfect Production

Over the years, craftsmanship has been closely linked with small scale individualistic production. Back in 1972, we started the same way. As we grew in scale & size, it was difficult to build each speaker individually, but quality control was of utmost importance as so switching to a general assembly line was simply not an option. So we wrote up a code, one quite like enigma, to ensure quality control. We selected the right partners, got the right tools, and in cases where those weren't available, we invented them. We grew slower than most as our aim was to last longer than most. 

Tech Specs

TECHNICAL SPECIFICATIONS

ACOUSTIC

Frequency Response (-3 dB)

29 Hz - 185 Hz

Frequency Range (-10 dB)

25 Hz - 200 Hz

Amplifier Power

3000W Continuous, 6000W Peak

Maximum SPL

143 dB

Coverage Pattern

Omni-directional

Datasheet

AESTHETIC

Controls

System Gain Knob, Preset Selection Switch, Polarity Invert Switch, Power Switch

LF Driver

2 x 18" Ultra Low Excursion Drivers, 4" VC - Ferrite

Enclosure

Marine Birchwood Cabinet, Premium Grade

Grill

Powder-coated durable grill with acoustically transparent foam

Connectors

2 x Balanced XLR for Stereo / Link

AC Power Input

Universal power supply 100 - 240 VAC, 50 - 60 Hz

Finish

British Acoustics' Signature Brown Finish

Mounting System

Dolly Cart Clamps, Stackable Rubber Feet and side-handle for transportation

AC Power Input

Universal power supply 100 - 240 VAC, 50 - 60 Hz

DIMENSIONS

Height

21"

Width

51"

Depth

27"

Weight

97 Kgs

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We have a growing network of channel partners

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