L-Acoustics LA4 User Manual

Constant Curvature WST systems presets
A15 Wide/Focus
A15 Wide/Focus and A15i Wide/Focus are different versions of the same enclosures. They share the same
factory presets and recommended loudspeaker congurations.
KS21 and KS21i are different versions of the same enclosure. They share the same factory presets and
recommended loudspeaker congurations.
preset(s)
loudspeaker
conguration
A15 Wide/Focus KS21*
acoustic properties
line source [A15] — 41 Hz - 20 kHz
line source + KS21 [A15] [KS21_60]
down to 29 Hz
reinforced LF contour
single enclosure [A15_FI] —
41 Hz - 20 kHz
at response
single enclosure + KS21 [A15_FI] [KS21_60]
down to 29 Hz
reinforced LF contour
* with subwoofers as a cardioid array, use [KS21_60_C] or [KS21_60_Cx]
[A15]
outputs channels routing gain delay polarity mute
OUT 1 PA IN A 0 dB 0 ms + ON
OUT 2 PA IN A 0 dB 0 ms + ON
OUT 3 PA IN A 0 dB 0 ms + ON
OUT 4 PA IN A 0 dB 0 ms + ON
[A15_FI]
outputs channels routing gain delay polarity mute
OUT 1 PA IN A 0 dB 0 ms + ON
OUT 2 PA IN A 0 dB 0 ms + ON
OUT 3 PA IN B 0 dB 0 ms + ON
OUT 4 PA IN B 0 dB 0 ms + ON
Routing, gain, delay, polarity and mute parameters can be modied by the user.
Preset Guide owner's manual (EN) version 16.0 51

L-Acoustics LA4 Specifications

General

Brand	L-Acoustics
Model	LA4
Category	Amplifier
Language	English