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Altec Lansing DTS645-8AF User's Manual

1. ALTEC LANSING DUPLEX TEEUMULUKY SYSTEM Si 4 H ag ag pe n KA Be gh a aa 4 a m4 pa Sia ae E E DTS645 8AF 16 Duplex Loudspeaker KEY SYSTEM FEATURES Duplex Technology System DTS IE Vented Bass Duplex Horn System High Output Capability li Maximum Output 133 dB SPL High Sensitivity IE High Frequency 109 dB SPL IE Low Frequency 104 dB SPL Extensive Power Handling IE High Frequency 300 watts IE Low Frequency 800 watts Excellent Directivity Control IN 60 Horizontal by 40 Vertical True Point Source IE Smooth Transition Multiple Arraying Configurations IE Flexible Trapezoidal Cabinet Design Safety Tested Flying System IE 552 Ib Capacity in excess of 8 1 S F DESCRIPTION The permanent installation of compact packaged loudspeakers in architectural spaces has grown increas ingly popular in recent years Sound system designers sparked this popularity through their increased creation of high output concert quality loudspeaker systems These systems provide a level of quality desired by the perform ing arts and touring sound industries The introduction of trapezoidal enclosures enable sound system designers to locate more loudspeakers in a smaller physical space thereby increasing output and creating an effective point source cluster While most of these systems reproduce amplified music with the intensity and wide bandwidth suitable for concert qual
2. Vented bass horn type two way full range loudspeaker system see note 1 109 dB SPL 1 watt 1 kHz to 10 kHz re 20 uPa 104 dB SPL 1 watt 125 Hz to 1 kHz re 20 uPa see nole 2 50 Hz 18 kHz see nole 3 300 watts peak power 150 walls conlinuous program 75 walts AES method 800 watts peak power 400 walts continuous program 200 watts AES method see note 4 134 dB SPL peak power 131 dB SPL continuous program 128 dB SPL AES method 133 dB SPL peak power 130 dB SPL continuous program 127 dB SPL AES method kHz recommended 8 0 ohms minimum 7 0 ohms minimum 8 0 ohms nominal 16 inch high efficiency Duplex loudspeaker Large screw terminals Speakon connector L track accepts Aeroquip 32102 fittings Grid Strap Part GS 1A 10 Linkstrap Part LS 1A 12 Linkstrap Part LS 2A To insure a proper safety factor Altec Lansing recommends the units not be stacked over four 4 high RI864 8ALF 25884 Model RG039105 Vented bass horn type built of 14 ply birch plywood with appropriate bracing Lined with glass wool Black texture paint with black metal grille 24 53 inches 62 31 centimeters 26 67 inches 67 74 centimeters 25 0 inches 63 5 centimeters 138 0 pounds 62 60 kilograms 178 0 pounds 80 74 kilograms MEASUREMENT NOTES Pink noise signal one Watt calcu lated using E Zmin 3 16 meter measurement distance referred to one met
3. 1 4 inch compression driver loaded with a 60 by 40 constant directivity horn The loudspeaker system shall meet the following performance criteria AES power handing 275 watts 200 LF 75 HF of pink noise with 6 dB crest factor band limited from 50 Hz 15 kHz Frequency response smooth and uniformly usable from 50 Hz 18 kHz Pressure sensitivity 109 dB SPL from 1 kHz 10 kHz and 104 dB SPL from 125 Hz 1 kHz one watt at one meter on axis The enclosure shall be trapezoidal and constructed of 14 ply birch plywood The cabinet shall be heavily braced and lined with sound absor bent glass wool The enclosure shall be fitted with two sets of Aeroquip 34030 3 L track suspension hardware which will allow the unit to be suspended from either end The fin ish of the enclosure shall be a black texture paint with a black metal grille The dimensions of the enclosure shall be 24 53 inches 62 31 cm high by 26 67 inches 67 74 cm wide by 25 0 inches 63 5 cm deep The loudspeaker sys tem shall weigh 138 0 lbs 62 6 kg The loudspeaker system shall be the Altec Lansing DTS645 8AF LANSING a MARK IV company P O BOX 26105 e OKLAHOMA CITY OK 73126 0105 e U S A Phone 405 324 5311 or FAX 405 324 8981 1993 ALTEC LANSING CORPORATION PRINTED IN U S A 11 93 42 02 039274 42 07 039274
4. er On axis one Watt calculated using E Zmin 3 16 meter measure ment distance referred to one meter low frequencies corrected for anechoic chamber error This system rating patterned atter the AES method for individual driver where the test signal is pink noise with 0 6 dB crest factor over the bandwidth of the system with power calculated using the E Lmin for two hours This measurement made under the same conditions as Pressure Sensitivity but at rated power and takes into account any power compression effects due to non linearities in the system Distortion components invalid above 10 kHz The distortion at any given frequency may be found by graphically taking the difference between the fundamen tal and harmonic and adding the number of Decibels which the har monic has been raised on the graph and apply the formula distortion 100 x 10 ee m 48 20 18 22 in 46 28 cm PAANAN lt 11 13 in 28 27 cm wo 669 Ul 0 92 L ZQ Ul 66 3 89 in 9 88 cm 18 88 in 47 96 cm 26 67 in 67 74 cm 25 0 in 63 5 cm DTS645 8AF Center of Gravity B 12 27 inches 31 17 cm 13 5 inches 34 29 cm U ARCHITECT S AND ENGINEER S SPECIFICATIONS The loudspeaker system shall be of the vented bass horn type consisting of one 16 inch 40 6 cm high power Duplex loudspeaker with a coaxially embedded
5. ity reproduction they typically lack the direc tivity to provide highly intelligible natural sounding speech with adequate gain before feedback This compromise is completely unacceptable in a performing arts center or house of worship The Altec Lansing DTS645 8AF loudspeaker was created to provide high output levels for full range music reproduction while offering a very directive output for highly intelligible speech in even the most reverberant ar chitectural spaces Altec Lansings engineers have created a new Duplex coaxial loudspeaker which physically aligns the high and low frequency drivers creating a true point source device This concept is the driving force behind the DTS series of arrayable loudspeaker devices Complementing the DTS645 8AF s powerful performance is a trapezoidal cabinet which allows for flexible arraying The integral L track flying hardware facilitates quick easy and repeatable installations DTS645 8AF SPECIFICATIONS unprocessed System Type Pressure Sensitivity H F Li Frequency Response Useable Power Handling H F 1 kHz to 10 kHz L F 50 Hz to 4 kHz Maximum Output 2 UF Crossover Frequency Impedance Hez EF Components Input Terminals Flying System Accessory Hardware Suspension Data Recone Kit Diaphragm Replacement Replacement Grille Fnclosure Finish Dimensions Height Width Depth Weight Net Shipping

Altec Lansing DTS645-8AF User's Manual

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