L-Acoustics LA-RAK, Owner'S Manual

Page: 34 / 201

Loudspeaker congurations
Use [xxxx_xx_C] or [xxxx_xx_Cx] on a reversed subwoofer in a cardioid conguration
The cardioid conguration consists in reversing 1 element in an array of 4 subwoofers.
Refer to the subwoofer owner's manual and to the
Cardioid congurations
technical bulletin.
Delay values
Do not forget to add the pre-alignment and geometric delays depending on the conguration.
Pre-alignment delays
preset pre-alignment delay values and polarity settings
[KARA] + [SB18_100] + [SB28_60] Kara = 0 ms SB18 = 0 ms SB28 = 5.5 ms
[KARA] + [SB18_100] +
[SB28_60_C]
Kara = 0 ms SB18 = 0 ms SB28 = 0 ms
[KARA] + [SB18_100] +
[SB28_60_Cx]
Kara = 5.5 ms SB18 = 5.5 ms SB28 = 0 ms
[KARA] + [SB18_100] + [KS28_60] Kara = 0 ms SB18 = 0 ms KS28 = 5.5 ms
[KARA] + [SB18_100] +
[KS28_60_C]
Kara = 0 ms SB18 = 0 ms KS28 = 0 ms
[KARA] + [SB18_100] +
[KS28_60_Cx]
Kara = 5.5 ms SB18 = 5.5 ms KS28 = 0 ms
[KARA] + [KS21_100] + [SB28_60] Kara = 0 ms KS21 = 0.5 ms SB28 = 5.5 ms
[KARA] + [KS21_100] +
[SB28_60_C]
Kara = 0 ms KS21 = 0.5 ms SB28 = 0 ms
[KARA] + [KS21_100] +
[SB28_60_Cx]
Kara = 5.5 ms KS21 = 6 ms SB28 = 0 ms
[KARA] + [KS21_100] + [KS28_60] Kara = 0 ms KS21 = 0 ms KS28 = 5.5 ms
[KARA] + [KS21_100] +
[KS28_60_C]
Kara = 0 ms KS21 = 0.5 ms KS28 = 0 ms
[KARA] + [KS21_100] +
[KS28_60_Cx]
Kara = 5.5 ms KS21 = 6 ms KS28 = 0 ms
Line source element
Deployed as a standalone line source element, a Kara system operates without the low-end of the bandwidth.
The [KARA_FI] preset provides a at frequency response for short throw applications and a high-pass lter at 100 Hz.
The Kara enclosure is driven by the LA4X / LA8 / LA12X amplied controllers
Enclosure Kara
Preset [KARA_FI]
Frequency range (-10 dB) 100 Hz - 20 kHz
34 Kara owner's manual (EN) version 1.0