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L-ACOUSTICS XT Manual V1.1

2/11/2003

L-ACOUSTICS V7 0902 PRESETS for XTA DP 226

PRESET NAME

PGM TYPE

MEM

OUT 1 (Source)

OUT 2 (Source)

OUT 3 (Source)

OUT 4 (Source)

OUT 5 (Source)

OUT 6 (Source)

ARCS 2W LO

3-way stereo

FULL (A)

ARCS LOW (A)

ARCS HI (A)

FULL (B)

ARCS LOW (B)

ARCS HI (B)

ARCS 2W HI

3-way stereo

FULL (A)

ARCS LOW (A)

ARCS HI (A)

FULL (B)

ARCS LOW (B)

ARCS HI (B)

ARCS 3W SB218 LO

3-way stereo

SB218 (A)

ARCS LOW (A)

ARCS HI (A)

SB218 (B)

ARCS LOW (B)

ARCS HI (B)

ARCS 3W SB218 HI

3-way stereo

SB218 (A)

ARCS LOW (A)

ARCS HI (A)

SB218 (B)

ARCS LOW (B)

ARCS HI (B)

ARCS 3W dV-SUB LO

3-way stereo

dV-SUB (A)

ARCS LOW (A)

ARCS HI (A)

dV-SUB (B)

ARCS LOW (B)

ARCS HI (B)

ARCS 3W dV-SUB HI

3-way stereo

dV-SUB (A)

ARCS LOW (A)

ARCS HI (A)

dV-SUB (B)

ARCS LOW (B)

ARCS HI (B)

115FM 2W COUPLED

3-way stereo (not linked)

FULL (A)

115FM LOW (A)

115FM HI (A)

FULL (B)

115FM LOW (B)

115FM HI (B)

115FM 2WX SINGLE

3-way stereo (not linked)

FULL (A)

115FM LOW (A)

115FM HI (A)

FULL (B)

115FM LOW (B)

115FM HI (B)

115FM 3W SB115

3-way stereo

SB115 (A)

115FM LOW (A)

115FM HI (A)

SB115 (B)

115FM LOW (B)

115FM HI (B)

115FM 3W SB118

3-way stereo

SB118 (A)

115FM LOW (A)

115FM HI (A)

SB118 (B)

115FM LOW (B)

115FM HI (B)

115FM 3W SB218

3-way stereo

SB218 (A)

115FM LOW (A)

115FM HI (A)

SB218 (B)

115FM LOW (B)

115FM HI (B)

115FM 3W dV-SUB

3-way stereo

dV-SUB (A)

115FM LOW (A)

115FM HI (A)

dV-SUB (B)

115FM LOW (B)

115FM HI (B)

112XT 2W FILL

3-way stereo

FULL (A)

112XT LOW (A)

112XT HI (A)

FULL (B)

112XT LOW (B)

112XT HI (B)

112XT 2W FRONT

3-way stereo

FULL (A)

112XT LOW (A)

112XT HI (A)

FULL (B)

112XT LOW (B)

112XT HI (B)

112XT 2W MONITOR

3-way stereo (not linked)

FULL (A)

112XT LOW (A)

112XT HI (A)

FULL (B)

112XT LOW (B)

112XT HI (B)

112XT 3W SB115

3-way stereo

SB115 (A)

112XT LOW (A)

112XT HI (A)

SB115 (B)

112XT LOW (B)

112XT HI (B)

112XT 3WX SB115

3-way stereo

SB115 (A)

112XT LOW (A)

112XT HI (A)

SB115 (B)

112XT LOW (B)

112XT HI (B)

112XT 3W SB118

3-way stereo

SB118 (A)

112XT LOW (A)

112XT HI (A)

SB118 (B)

112XT LOW (B)

112XT HI (B)

112XT 3WX SB118

3-way stereo

SB118 (A)

112XT LOW (A)

112XT HI (A)

SB118 (B)

112XT LOW (B)

112XT HI (B)

112XT 3W SB218

3-way stereo

SB218 (A)

112XT LOW (A)

112XT HI (A)

SB218 (B)

112XT LOW (B)

112XT HI (B)

112XT 3WX SB218

3-way stereo

SB218 (A)

112XT LOW (A)

112XT HI (A)

SB218 (B)

112XT LOW (B)

112XT HI (B)

112XT 3W dV-SUB

3-way stereo

dV-SUB (A)

112XT LOW (A)

112XT HI (A)

dV-SUB (B)

112XT LOW (B)

112XT HI (B)

112XT 3WX dV-SUB

3-way stereo

dV-SUB (A)

112XT LOW (A)

112XT HI (A)

dV-SUB (B)

112XT LOW (B)

112XT HI (B)

115XT 2W FILL

3-way stereo

FULL (A)

115XT LOW (A)

115XT HI (A)

FULL (B)

115XT LOW (B)

115XT HI (B)

115XT 2W FRONT

3-way stereo

FULL (A)

115XT LOW (A)

115XT HI (A)

FULL (B)

115XT LOW (B)

115XT HI (B)

115XT 2W MONITOR

3-way stereo (not linked)

FULL (A)

115XT LOW (A)

115XT HI (A)

FULL (B)

115XT LOW (B)

115XT HI (B)

115XT 3W SB115

3-way stereo

SB115 (A)

115XT LOW (A)

115XT HI (A)

SB115 (B)

115XT LOW (B)

115XT HI (B)

115XT 3WX SB115

3-way stereo

SB115 (A)

115XT LOW (A)

115XT HI (A)

SB115 (B)

115XT LOW (B)

115XT HI (B)

115XT 3W SB118

3-way stereo

SB118 (A)

115XT LOW (A)

115XT HI (A)

SB118 (B)

115XT LOW (B)

115XT HI (B)

115XT 3WX SB118

3-way stereo

SB118 (A)

115XT LOW (A)

115XT HI (A)

SB118 (B)

115XT LOW (B)

115XT HI (B)

115XT 3W SB218

3-way stereo

SB218 (A)

115XT LOW (A)

115XT HI (A)

SB218 (B)

115XT LOW (B)

115XT HI (B)

115XT 3WX SB218

3-way stereo

SB218 (A)

115XT LOW (A)

115XT HI (A)

SB218 (B)

115XT LOW (B)

115XT HI (B)

115XT 3W dV-SUB

3-way stereo

dV-SUB (A)

115XT LOW (A)

115XT HI (A)

dV-SUB (B)

115XT LOW (B)

115XT HI (B)

115XT 3WX dV-SUB

3-way stereo

dV-SUB (A)

115XT LOW (A)

115XT HI (A)

dV-SUB (B)

115XT LOW (B)

115XT HI (B)

Figure 5: L-ACOUSTICS preset library for XTA DP226

Содержание 112XT

Страница 1: ...Version 1 1 February 2003 L ACOUSTICS XT LINE 112XT 115XT OPERATOR MANUAL...

Страница 2: ...sufficient for most applications however should you require further assistance your distributor or L ACOUSTICS are available to provide additional technical support MANUAL ORGANIZATION The Introductio...

Страница 3: ...L ACOUSTICS XT Manual V1 1 2 11 2003 2...

Страница 4: ...T ENCLOSURES 26 4 3 ARRAYING XT ENCLOSURES 27 4 4 PREDICTING XT COVERAGE 30 4 5 DISTRIBUTED SOUND REINFORCEMENT 30 4 5 1 OVERHEAD DISTRIBUTED SYSTEMS 30 4 5 2 DELAY SYSTEMS 30 4 5 3 COMPLEMENTARY FILL...

Страница 5: ...XT coupling adapter installation procedure 39 Figure 20 XTLIFTBAR installation procedure 40 Figure 21 112XT Line Drawing 44 Figure 22 112XT ETR112XT Line Drawing 45 Figure 23 112XT XTLIFTBAR Line Draw...

Страница 6: ...enclosure design that cannot be used in single or very small configurations A different set of loudspeaker enclosure design specifications apply that are more suited to the multiple source sound desi...

Страница 7: ...12XT 115XT loudspeaker enclosures XT rigging accessories and SB115 SB118 SB218 or dV SUB subwoofers OEM factory presets are provided for approved digital signal processors XTA DP224 DP226 and BSS 366...

Страница 8: ...y two 115XT enclosures vertically with independent tilt adjustment for both enclosures 11 XTLIFTBAR Allows for single point rigging of 112XT or 115XT loudspeaker enclosures with 5 pick points availabl...

Страница 9: ...L ACOUSTICS XT Manual V1 1 2 11 2003 8 ETR112XT ETR115XT CPL112XT CPL115XT XTLIFTBAR PION2 F CABLE DO7 F LINK CABLE DO 7 Figure 1 XT System Components...

Страница 10: ...lly high performance floor monitor solution When used with the SB118 or other L ACOUSTICS subwoofers XTs are also excellent for side fill and drum monitoring applications OEM factory presets are avail...

Страница 11: ...nclosure is oriented at a 45 degree angle with respect to vertical allowing the enclosure to be used as a floor monitor Enclosure weight is 27 kg 59 5 lbs Cabinet construction consists of 30 mm 1 18 i...

Страница 12: ...the 115XT is oriented at a 41 degree angle with respect to vertical allowing the enclosure to be used as a floor monitor Enclosure weight is 29 5 kg 65 0 lbs Cabinet construction consists of 30 mm 1...

Страница 13: ...i e full continuous power will never be delivered to the HF section due to this attenuation When the same amplifier is used for the HF section the extra available power then translates into headroom f...

Страница 14: ...XT LOW SECTION AMPLIFIER OUTPUT POWER REC D POWER MLS SETTING LOAD POWER LA 17a LA 24a LA 48a ohms W 2 2320 do not use do not use 2400 2 dB 2 7 1740 1080 1635 2130 0 dB 0 dB 2 dB 4 1160 840 1300 1600...

Страница 15: ...gs for 115XT 115XT ENCLOSURE RATINGS ONE 115XT TWO 115XT THREE 115XT FOUR 115XT SECTION LOAD RMS PEAK REC D LOAD RMS PEAK REC D LOAD RMS PEAK REC D LOAD RMS PEAK REC D LOW 8 250 1000 500 4 500 2000 10...

Страница 16: ...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 OUTP...

Страница 17: ...70 1200 L ACOUSTICS LA 24a POWER MATRIX L ACOUSTICS LA 48a POWER MATRIX MLS SWITCH SETTING MLS SWITCH SETTING LOAD CONFIGURATION 5 dB 4 dB 2 dB 0 dB LOAD CONFIGURATION 5 dB 4 dB 2 dB 0 dB 16 ohms Ster...

Страница 18: ...mm2 conductor cross section 11 gauge SP25 cables can be used for 25 meter cable runs to power a 4 ohm load 2 x 112XT or 115XT enclosures in parallel while maintaining a damping factor greater than 20...

Страница 19: ...y control confidentiality and to maintain the integrity of L ACOUSTICS system presets Restricting access to presets is in no way meant to restrict flexibility or the creative process on the contrary s...

Страница 20: ...xceeds 1 THD for any reason voltage or current clipping the limiter reduces the input signal proportionally 2 msec attack 150 msec release Under normal operation clip limiting is inaudible and L ACOUS...

Страница 21: ...and MONITOR while two types of 3 way presets are available for the use of XT enclosures with L ACOUSTICS SB115 SB118 SB218 or dV SUB subwoofers 3W and 3WX All 2 way presets are configured in stereo 3...

Страница 22: ...o 25 SB115 A 112XT LOW A 112XT HI A SB115 B 112XT LOW B 112XT HI B 112XT 3WX SB115 3 way stereo 26 SB115 A 112XT LOW A 112XT HI A SB115 B 112XT LOW B 112XT HI B 112XT 3W SB118 3 way stereo 27 SB118 A...

Страница 23: ...A 112XT LO B 112XT HI B 112XT 3W SB115 3 way A SUB B 25 SB115 A 112XT LO A 112XT HI A SB115 B 112XT 3WX SB115 3 way A SUB B 26 SB115 A 112XT LO A 112XT HI A SB115 B 112XT 3W SB118 3 way A SUB B 27 SB1...

Страница 24: ...LO B 112XT HI B 112XT 3W SB115 3 way A SUB B 16 SB115 A 112XT LO A 112XT HI A SB115 B 112XT 3WX SB115 3 way A SUB B 17 SB115 A 112XT LO A 112XT HI A SB115 B 112XT 3W SB118 3 way A SUB B 18 SB118 A 11...

Страница 25: ...6 SB115 A 112XT LOW A 112XT HI A SB115 B 112XT LOW B 112XT HI B 112 X 115 3 A 3 B 17 SB115 A 112XT LOW A 112XT HI A SB115 B 112XT LOW B 112XT HI B 112 SB118 3 A 3 B 18 SB118 A 112XT LOW A 112XT HI A S...

Страница 26: ...B 23 dV SUB A 112XT LOW A 112XT HI A dV SUB B 112XT LOW B 112XT HI B 112 X dVS 3 A 3 B 24 dV SUB A 112XT LOW A 112XT HI A dV SUB B 112XT LOW B 112XT HI B 115XT FIL 3 A 3 B 25 FULL A 115XT LOW A 115XT...

Страница 27: ...tions 4 2 AIMING XT ENCLOSURES Due to their controlled directivity behavior XT enclosures should be aimed so as to geometrically cover the desired audience area with the main zero degree axis roughly...

Страница 28: ...ng coaxial technology Note for color versions of figures 11 12 13 and 15 please see the XT manual PDF file that is available for download from www l acoustics com 125 Hz 250 Hz 500 Hz 1 kHz 2 kHz 4 kH...

Страница 29: ...of 3 meters Interference now occurs lower in frequency and will tend to be masked by room reverberation Compared with the closely spaced arrayed system of Fig 12 there is now improved intelligibility...

Страница 30: ...case corresponds to the SPL mappings shown in Figure 15 works corresponds to Figure 12 and best corresponds to Figure 13 125 Hz 250 Hz 500 Hz 1 kHz 2 kHz 4 kHz Figure 15 SPL mappings at octave band f...

Страница 31: ...TEMS XT enclosures are highly suited for delay system installation in order to cover large audience areas When installing delay systems there are a few principles that should be followed 1 Over delayi...

Страница 32: ...sures can be stacked on top of a central line array of subwoofers or any other object of suitable height provided that the height of the HF section is appropriate for audience coverage Typically a sta...

Страница 33: ...ximity fill enclosure For 3 way operation of 112XT or 115XT loudspeaker enclosures with SB115 SB118 SB218 or dV SUB subwoofers there are two different types of preset available 1 3W presets optimize t...

Страница 34: ...e wrt vertical 90 deg coverage PERFORMER HEIGHT Performer Monitor Monitor Monitor cm ft in cm ft in cm ft in 160 5 ft 3 in 160 5 ft 3 in 160 5 ft 3 in 165 5 ft 5 in 165 5 ft 5 in 165 5 ft 5 in 170 5 f...

Страница 35: ...or the subwoofer and the 112XT or 115XT low section please see Section 4 8 for further details 4 8 USING XT WITH SUBWOOFERS For most music applications 112XT or 115XT enclosures should be used with SB...

Страница 36: ...presets have an 80 Hz LR24 low pass filter for the subwoofers and an overlapping LR24 high pass filter for the XT low section 45 Hz HPF for 112XT 40 Hz HPF for 115XT Due to the overlap in the operati...

Страница 37: ...ions in 3 way mode or with separate AUX drive for the subwoofers since the subwoofers can be used with positive polarity and this helps to simplify installation and system tuning If more low frequency...

Страница 38: ...ailable on the center section of the ETR112XT and ETR115XT for bracket mounting Pole mount adapter plates on 112XT and 115XT enclosures allow for 10 degree angular resolution Note When using ETR112XT...

Страница 39: ...UPLING ADAPTER BAR ATTACHMENT The CPL112XT or CPL115XT coupling adapter bars are optional accessories that can be used in conjunction with ETR112XT or ETR115XT U brackets to array two 112XT or 115XT e...

Страница 40: ...ing of the CPL112XT 8 Attach lower locking pins on both sides of the lower 112XT to facilitate angling of the CPL112XT 9 Release lower locking pins to perform final angling of the lower 112XT once CPL...

Страница 41: ...shackle location provides tilt angles of 14 7 0 7 14 degrees front to back Figure 20 XTLIFTBAR installation procedure 5 4 SAFETY RULES Always ensure that the ETR112XT or ETR115XT rotating arm is secu...

Страница 42: ...teps 2 5 for LOW and SUB channels 7 turn off the pink noise Set all amplifier output levels to 0 dB gain Un mute all crossover output channels and the system is ready for use Remember the old saying a...

Страница 43: ...should be done on an annual basis for systems not subjected to demanding use For systems being used on a daily basis for sub hire or touring enclosures should be checked every month or even more frequ...

Страница 44: ...d high frequency contours under freefield conditions FILL preset provides nominally flat response under freefield conditions 3W preset applies a 100 Hz high pass filter Components LF 1 x 12 weather re...

Страница 45: ...L ACOUSTICS XT Manual V1 1 11 02 03 44 Figure 21 112XT Line Drawing...

Страница 46: ...L ACOUSTICS XT Manual V1 1 11 02 03 45 Figure 22 112XT ETR112XT Line Drawing Figure 23 112XT XTLIFTBAR Line Drawing...

Страница 47: ...L ACOUSTICS XT Manual V1 1 11 02 03 46 Figure 24 112XT ETR112XT 112CPLXT Line Drawing 0 degree Figure 25 112XT ETR112XT 112CPLXT Line Drawing 30 degrees...

Страница 48: ...quency contours under freefield conditions FILL preset provides nominally flat response under freefield conditions 3W preset applies a 100 Hz high pass filter Components LF 1 x 15 weather resistant lo...

Страница 49: ...L ACOUSTICS XT Manual V1 1 11 02 03 48 Figure 26 115XT Line Drawing...

Страница 50: ...L ACOUSTICS XT Manual V1 1 11 02 03 49 Figure 27 115XT ETR115XT Line Drawing Figure 28 115XT XTLIFTBAR Line Drawing...

Страница 51: ...L ACOUSTICS XT Manual V1 1 11 02 03 50 Figure 29 115XT ETR115XT 115XTCPL Line Drawing 0 degrees Figure 30 115XT ETR115XT 115XTCPL Line Drawing 30 degrees...

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