KS 28

KS28

 

Reference high power subwoofer, dual 18"

OMNI / CARDIO SUBWOOFER
 
Max SPL 143 dB
Low frequency limit 25 Hz
Transducers LF: 2 x 18"
Weight 79 kg / 174 lb
Directivity standard or cardioid configurations

https://www.l-acoustics.com/products/ks28/

Electroacoustic specs

K1 system subwoofer 2×15"
amplified by LA8 / LA12X

Low frequency limit (-10 dB)

30 Hz ([K1SB_60])

Maximum SPL1

145 dB ([K1SB_X])

Nominal directivity (-6 dB)

Standard

Transducers

2 × 15″ cone drivers

Acoustical load

Bass-reflex, L-Vents

Nominal impedance

4 Ω

1 Peak level measured at 1 m under half space conditions using pink noise with crest factor 4 (preset specified in brackets).

Physical specs

 

Connectors

1 × 4-point speakON

Rigging and handling

Captive 4-point rigging system
4 handles integrated into the cabinet
Inter-enclosure angles : 0°, 0.5°, 1°, 1.5°, 2°, 2.5°, 3°, 4°or 5°

Weight (net)

83 kg / 183 lb

Cabinet

Premium grade Baltic birch plywood

Front

Coated steel grill
Acoustically neutral 3D fabric

Rigging components

High grade steel with anti-corrosion coating

Finish

Dark grey brown – Pantone 426 C

IP

IP45

Dimensions

K1-SB schema

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