KS21
High power subwoofer, 21"
Max SPL | 138 dB |
Low frequency limit | 29 Hz |
Transducers | LF: 1 x 21" |
Weight | 49 kg / 108 lb |
Directivity | standard or cardioid configurations |
Inspiration
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The Other Side is the World’s First Nightclub to Adopt L-ISA Spatial Audio
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L-ISA Immersive Audio Experience Brings the Ancient Ephesus Experience to Life
![Kay Yeager Coliseum Puts L-Acoustics A15i Concert Sound System into the Ring featured image](https://www.l-acoustics.com/wp-content/uploads/2024/04/la-kyc-1-768x498.jpg)
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Electroacoustic specs
High power compact subwoofer: 1 x 21''
amplified by LA4X / LA8 / LA12X
Low frequency limit (-10 dB) | 29 Hz ([KS21_60]) |
Maximum SPL1 | 138 dB ([KS21_100]) |
Nominal directivity (-6 dB) | Standard or cardioid configuration |
Transducers | 1 × 21″ neodymium cone driver |
Acoustical load | bass-reflex, L-Vents |
Nominal impedance | 8 Ω |
1 Peak level at 1 m under half space conditions using pink noise with crest factor 4 (preset specified in brackets).
Physical specs
Connectors | 2 × 4-point terminal block with push-in connection |
Rigging and handling | external rigging kits |
Weight (net) | 49 kg / 108 lb |
Cabinet | premium grade Baltic beech and birch plywood |
Front | Coated steel grill |
Rigging components | high grade steel with anti-corrosion coating |
Finish | dark grey brown Pantone 426 C |
IP | IP55 |
Dimensions