L-Acoustics 112XT - Table 6: Recommended Power Amplification and MLS Switch Settings for 115 XT Low Section; Table 7: Recommended Power Amplification and MLS Switch Settings for 115 XT High Section; Table 8: Recommended MLS Switch Settings for Powering 115 XT

L-ACOUSTICS XT Manual V1.1 2/11/2003 15
Based on these specifications, recommended L-ACOUSTICS LA power amplifier specifications and
MLS switch settings are summarized below in Tables 6 and 7.
Table 6: Recommended power amplification and MLS switch settings for 115XT low section
115XT LOW SECTION AMPLIFIER OUTPUT POWER
REC'D POWER (MLS SETTING)
LOAD POWER LA 17a LA 24a LA 48a
(ohms) (W)
2 2000 do not use do not use
2000
(-4 dB)
2.7 1500 1080
1635 1665
(0 dB)
(0 dB) (-4 dB)
4 1000 840
1300 1000
(0 dB)
(-2 dB) (-4 dB)
8 500 430
700 520
(0 dB)
(-2 dB) (-4 dB)
Table 7: Recommended power amplification and MLS switch settings for 115XT high section
115XT HI SECTION AMPLIFIER OUTPUT POWER
REC'D POWER (MLS SETTING)
LOAD REC'D LA 17a LA 24a LA 48a
(ohms) POWER
2 1400 1200
1400 1660
(0 dB)
(-4 dB) (-5 dB)
2.7 1000
1080 1180 1380
(0 dB) (-4 dB) (-5 dB)
4 700
840 750 830
(0 dB) (-4 dB) (-5 dB)
8 350
430 400 430
(0 dB) (-4 dB) (-5 dB)
MLS switch settings for powering the 115XT are summarized in Table 8.
Table 8: Recommended MLS switch settings for powering 115XT
MLS SWITCH SETTING
LA17a LA24a LA48a
115XT LO SECTION 0 dB -2 dB -4 dB
115XT HI SECTION 0 dB -4 dB -5 dB