L-Acoustics LA4 User Manual

Coaxial loudspeaker enclosures presets
12XTA, 115XT, 115XT HiQ and MTD115bA
12XTA, 115XT, 115XT HiQ and MTD115bA are active coaxial loudspeaker enclosures.
Preset names
active coaxial loudspeaker enclosure preset
12XT (in active mode) [12XTA_xx]
115XT HiQ [HiQ_xx]
MTD115b (in active mode) [115bA_xx]
115XT [115XT_xx]
preset(s)
loudspeaker
conguration
active xxx SB18 or SB118*
acoustic properties
coaxial
[xxx_FR], [xxx_FI]
or [xxx_MO]
— nominal bandwidth
coaxial +
coupled subwoofer
[xxx_xx_100] [SBxx_100]
down to 32 Hz
reinforced LF contour
choice between
3 contours**
* with subwoofers as a cardioid array, use [SBxx_xx_C], or [SB18_100_Cx]
** [xxx_FR] for FOH application, [xxx_FI] for speech, classical music or ll, [xxx_MO] at in half-space loading
conditions (oor, wall or ceiling)
[xxx_FR], [xxx_FI], [xxx_MO] and [xxx_xx_100]
loudspeaker elements outputs channels routing gain delay polarity mute
LF OUT 1 LF ON
HF OUT 2 HF
IN A 0 dB 0 ms +
ON
LF OUT 3 LF ON
HF OUT 4 HF
IN B 0 dB 0 ms +
ON
Routing, gain, delay, polarity and mute parameters can be modied by the user.
62 Preset Guide owner's manual (EN) version 16.0

L-Acoustics LA4 Specifications

General

Brand	L-Acoustics
Model	LA4
Category	Amplifier
Language	English