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
M6 inserts for rigging plates
M8 inserts for A-U15i
1 DIN580-compatible M8 threaded insert
Weight (net)
49 kg / 108 lb
Cabinet
Premium grade Baltic beech and 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
IP55