BRITISH ACOUSTICS Delta K28 S
Description
British Acoustics Delta K28 S is a powered dual 18" subwoofer built for large concerts and touring rigs. A 6000 W Class-D amplifier with FIR processing drives two long excursion 18" drivers down to 29 Hz and up to 143 dB peak, with cardioid presets for rear rejection. Order from VMT with GST billing and pan-India delivery.
Key features
- Two 18" long excursion drivers with 4" copper voice coils
- 6000 W Class-D amplifier with power factor correction
- Frequency range 29 Hz to 200 Hz (-10 dB)
- Max output 143 dB peak, cardioid preset available
- Dual etherCON for Delta Audio Controller
- Marine birch ply enclosure, IP43, 79 kg net
Specifications
| Type | Active |
|---|---|
| Kind | Subwoofer |
| Woofer | 2 x 18" |
| Max SPL | 143 dB |
| Frequency range | 29 Hz - 200 Hz |
| Connectors | Dual etherCON, 16A Neutrik TRUE1 power in/out |
| Built-in DSP | Yes |
| Battery powered | No |
| 100V line | No |
| Weight | 79.0 kg |
Manufacturer description
Delta K28S
Powered Dual 18" Subwoofer
TECHNICAL SPECIFICATIONS
ACOUSTICAL SPECIFICATIONS
• Freq. Response (-3 dB) : 36 Hz - 185 Hz
• Freq. Range (-10 dB) : 29 Hz - 200 Hz
• Omnidirectional Coverage
• Cardiod preset available
• Crossover : 60-100 Hz, active
• Max Output : Cont. : 137dB, Peak : 143dB
SYSTEM SPECIFICATIONS
• Recommended System Control : Delta Audio
Controller (DAC) & Delta Array Predictor
(DAP)
LF TRANSDUCER
• 1800-68A- 18" Low Frequency Long Excursion Driver
• 1200W, 4800W Peak
• Two Driver Connected in parallel
• 4" Copper Voice Coil - Ferrite Magnet
• Minimal Power Compression with optimised air-paths
• Aluminum Demodulation Ring for reduced distortion
AMPLIFIER & DSP SPECIFICATIONS
• 6000W Class-D Amplifier
• Exceptional Amplifier Efficiency
• Dual Stage Power Factor Correction
• Thermal, short-circuit and overload protections
• 64 bit/96KHz processor, Digital FIR filters
• 32 bit/96KHZ AD/DA converters
• Dual Ethercon Connectors to connect with
Delta Audio Controller
• 16A Neutrik Truecon Power In/Out
AMPLIFIER & DSP
SPECIFICATIONS
• 6000W Class-D Amplifier
• Exceptional Amplifier Efficiency
• Dual Stage Power Factor Correction
• Thermal, short-circuit and overload
protections
• 64 bit/96KHz processor, Digital FIR filters
• 32 bit/96KHZ AD/DA converters
• Dual Ethercon Connectors to connect with
Delta Audio Controller
• 16A Neutrik Truecon Power In/Out
AESTHETIC SPECIFICATIONS
• British Acoustics Signature Umber Brown Tone
• Non Reflective, Matte Black Grills
• Available in a RAL code of your choice (24 nos, minimum)
OPERATING PARAMETERS
• Operating positions: On Ground, stackable
• Maximum permitted ambient temperature (Ta max) 55° C (124° F)
• Minimum permitted ambient temperature (Ta min): -2° C (28.4° F)
IP SPECIFICATIONS
• IP 43 - Standard protection against dust &
splashes
HOUSING
• Marine Birchply Enclosure
• Granular Scratch Free Polyurea Paint
• Perforated Black, Pressed Steel Grills
• Integrated Handles on Either Side
OPTIONAL ACCESSORIES
• See system chart for the System Accessories
SIZE
• Product: 533 x 1295 x 686 mm (H x W x D)
• Product: 21 x 51 x 27 inch (H x W x D)
• Packed individually
WEIGHT
• Net : 79 Kgs
• Net : 174 Lbs
SHIPPING INFORMATION
• Carton SIze
628 x 1371 x 761 mm (H x W x D)
24.7 x 53.9 x 30 inch (H x W x D)
• Gross Weight : 84 Kgs / 185.2 Lbs
• Packed : individually
