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LDS Line Series / Special Purpose / Custom Series
LDS L-400 Short Specifications
Operating Frequency Range (Hz)
60Hz to    
18kHz    
Sensitivity (dB SPL/2.83Vrms/1m)
LF 99  
PeakHF 99  
Maximum SPL (dB@1m)  
Continous 122.0  
Peak 126.0  
Dimensions inches cm
Height 32,2 87,0
Width 13,7 34,8
Depth (LF) 12,0 30,5
Depth (HF) 9,6 24,5
Net Weight pounds kg
  83,7 38


LDS L-400



LDS L-400 represents a new loudspeaker technology based on the principles of the Homogeneous Line Source.

A Homogeneous Line Source produces a plane wave front whereby all frequencies reach the listener at the same time. The system is designed to give an extremely high sound quality, both for short and long distances, and for large spaces.

Each L-400 is equipped with four 7" drivers and four Planar-Magnetic (ribbon) Drivers.

The voice coil formers and cones of the 7" low-frequency drivers are fabricated from aluminium, while magnets are vented to optimise cooling. A special high impedance copper voice coil makes it possible to connect multiple drivers in parallel to produce a low-frequency impedance of 12 Ohms.

The four Planar-Magnetic (ribbon) Drivers used in the L-400 employ an innovative high-tech diaphragm material called Kaladex®, from Dupont.

The LDS L-400 is ideally suited as an alternative to the larger L-800 where vertical space is restricted. Each L-400 can also be mounted separately either horizontally or vertically.




Download full product PDF


LDS_L-400.pdf

For more technical information
go to the Dowloads section.





LDS™ LjudDesign Scandinavia AB // www.lds-co.se