Altec Lansing DTS-215 User's Manual
Contents
1. ALTEC DTS 215 Duplex Loudspeaker System New design dual 15 inch high power woofers Compact arrayable enclosure identical size to DTS 640 Very high output capahility at 4 000 watts peak low distortion 1 000 watt short term 800 watt long term power capacity e Subwoofer and high power woofer capability Paralleled or biamp configuration Enclosure allows refinishing Fuli four point hanging system Description The Altec Lansing DTS 215 low frequency loudspeaker is a factory assembled system featuring dual 15 inch direct radiators in a vented enclosure The DTS 215 is intended to be used as a subwoofer or high power woofer system to complement the perfor mance of the DTS 640 but may also be used as the low frequency component in most multi way loudspeaker systems The DTS 215 consists of two ALXIS LF 381 mm 15 inch very high power very long excursion low frequency drivers each mounted within its own vented chamber of 2 4 cubic feet optimally tuned to provide unequalized low frequency response to below 60 Hz When used with the Altec Lansing 2400A controller the low frequency perfor mance will be extended to below 42 Hz The new ALXIS LF drivers have an extremely stiff cone and newly designed magnet system providing more than 11 mm 0 433 inch of linear peak peak excursion and over 30 5 mm 1 2 inch of maximum peak peak excursion Two configurations are recommended2. Large screw terminals with parallel 4 pin Neutrik Speakon connectors Replacement Drivers 815 2825 Replacement Grille 83965 Enclosure Direct radiating vented LF built of 19 mm 0 75 inch 14 ply birch plywood with appropriate bracing lined with glass wool four point hanging system included Loudspeaker System Dimensions 833 mm 32 8 inch high 498 mm 19 6 inch wide 498 mm 19 6 inch deep Net Weight 38 6 kg 85 Ib Shipping Weight 44 0 kg 97 Ib Finish Black textured paint with black 16 gauge powder coated grille Accessories Four Ancra 42546 10 single stud tie down cargo suspension fittings provided with system NOTES ON MEASUREMENT CONDI TIONS 1 Band limited pink noise signal one watt 3 16 meter measure ment distance referred to one meter calculated using E Z min 2 On axis one watt calculated using E Z 3 16 meter measurement distance referred to one meter low frequencies corrected for anechoic chamber error Low Frequency Speaker Systems 3 This system rating is patterned after the ANSI EIA RS 426 A method where the test signal is pink noise with a 6 dB crest factor over the bandwidth of the system with power calculated using E R x 1 15 for two or eight hours To ensure long term real world system reliability the test signal is processed with the 2400A controller using a high pass filter of 12 dB octave at 35 Hz with a filter Q of 2 providing 6 dB of boost centered at
3. 35 Hz and a low pass filter at 500 Hz of 24 dB octave Linkwitz Riley profile ALTEC 600 Cecil Street Buchanan MI 49107 800 234 6831 616 695 6831 Fax 616 695 1304 4 This measurement made under the same conditions as pressure sensitivity and takes into account any power compression effects due to nonlinearities in the system 5 The distortion at any given frequency may be found by graphically taking the difference between the fundamental and harmonic and adding the number of decibels which the harmonic has been raised on the graph and apply the formula percent distortion 100 X 10 difference in dB 20 Part Number 534119 9651
4. for use with the DTS 640 When used as a subwoofer with the DTS 640 a crossover point of 80 Hz is recommended When used as a high power woofer array the DTS 215 may be operated in parallel with the DTS 640 s woofer providing an extremely high power array with significant directionality at a crossover point of 220 Hz When used with other full range speaker systems higher crossover frequencies may be used depend ing on the desired polar pattern Each driver in the DTS 215 may be independently connected by large screw terminals able to accept up to 10 gauge wire or by two paralleled 4 pin female Neutrik Speakon connectors located on the back of the enclo sure With this configuration the DTS 215 is a biampable system utilizing two channels to drive each 8 ohm load separately with the option of wiring the drivers in parallel out side the enclosure for a single amplifier channel into a 4 ohm load The system is supplied with external jumpers paralleling the two woofers as the standard configura tion The system should be used with the Altec Lansing 2400A electronic controller The recommended crossover frequency is 80 Hz in subwoofer mode 220 Hz as a high power woofer system arrayed with the DTS 640 or up to 500 Hz as a woofer system in most multi way loudspeaker systems The trapezoidal shaped enclosure is constructed from 19 mm 0 75 inch thick thoroughly braced 14 ply birch plywood lined with sound absorbent glass woo
5. 2 Hz to 500 Hz The enclosure shall be constructed of 19 mm 0 75 inch 14 ply birch plywood and shall be heavily braced and lined with sound absorbent glass wool The finish of the enclosure shall be textured black and a removable black metal grille shall be provided The dimensions of the enclosure shall be 833 mm 32 8 inches high by 498 mm 19 6 inches wide by 498 mm 19 6 inches deep The system shall be trapezoidal with a 10 degree angle and a rear width of 330 mm 13 0 inches The loudspeaker system shall weigh 38 6 kg 85 Ib The loudspeaker system shall be the Altec Lansing DTS 215 Uniform Limited Warranty Statement Altec Lansing products are guaranteed against malfunction due to defects in mate rials or workmanship for a specified period as noted in the individual product line statement s below or in the individual prod uct data sheet or owner s manual beginning with the date of original purchase If such malfunction occurs during the specified pe riod the product will be repaired or replaced at our option without charge The product will be returned to the customer prepaid Exclusions and Limitations The Limited Warranty does not apply to a exterior fin ish or appearance b certain specific items described in the individual product line statement s below or in the individual prod uct data sheet or owner s manual c mal function resulting from use or operation of the product other than as specif
6. 5 Duplex Loudspeaker System PER PUY NSZ Altec Lansing DTS 215 Duplex Loudspeaker System KE a og S E BS A CS ES Altec Lansing DTS 215 Duplex Loudspeaker System kp Figure 6 Beamwidth i HH es Bed mmm NH ewei eL EI ttt 0 30 1000 Figure 7 Directivity ETT EET ET et OTTO Tt LIT et TT ee LE LEN LT TL e eo LT UT T Tess CTT TTT E TT i eg i LE L 1 JCT EA piel T TE TOT TTT 10 20 3 1000 2000 10000 20000 40000 weg Hz EZ Figure 8 Dimensions n PARALLEL CONNECT JUMPERS 800 Wotis total into 4 Ohms BI AMP REMOVE JUMPERS Wolts eoch inlo 8 Ohms PARALLEL 1 1o 2 Of 14 t NO 24 2 ui9js S JayPadspnoj xejdnq g1z SIa Suisue 23 V Altec Lansing DTS 215 Duplex Loudspeaker System Altec Lansing DTS 215 Duplex Specifications System Type Dual direct radiating vented subwoofer woofer loudspeaker system biamp or paralleled operation Pressure Sensitivity 98 dB SPL Frequency Response see Figure 1 42 60 500 Hz without 2400A controller Power Handling 1 000 watts short term continuous 800 watts long term continuous 4 000 watts peak power Maximum Output 128 dB SPL short term continuous 127 dB SPL long term continuous 133 dB SPL peak power Impedance 4 0 ohms nominal 3 7 ohms minimum Components Dual high efficiency 381 mm 15 inch woofers Input Terminals
7. ied in the product data sheet or owner s manual d malfunction resulting from misuse or abuse of the product or e malfunction occurring at any time after repairs have been made to the product by anyone other than Mark IV Audio Service or any of its authorized ser vice representatives Obtaining Warranty Service To obtain warranty service a cus tomer must deliver the product prepaid to Mark IV Audio Service or any of its autho rized service representatives together with proof of purchase of the product in the form of a bill of sale or receipted invoice A list of authorized service representatives is avail able from Mark IV Audio Service at 10500 W Reno Avenue Oklahoma OK 73127 800 845 8727 or FAX 405 577 3274 Incidental and Consequential Damages Excluded Product repair or replacement and loudspeaker System return to the customer are the only remedies provided to the customer Altec Lansing shall not be liable for any incidental or consequen tial damages including without limitation injury to persons or property or loss of use Some states do not allow the exclusion or limitation of incidental or consequential damages so the above limitation or exclu sion may not apply to you Other Rights This warranty gives you specific legal rights and you may also have other rights which vary from state to state Altec Lansing Speakers and Speaker Sys tems are guaranteed against malfunction due to defects in materials o
8. l A complete four point hanging system is pro vided for safe suspension of the DTS 215 The system may then be hung as a single unit or as part of a cluster The finish of the enclosure is textured black paint which can be painted to complement any interior The grille is constructed from black 16 gauge powder coated steel and is backed with a weather resistant foam The DTS 215 low frequency loudspeaker is the ideal companion system to the DTS 640 whenever high output full frequency range material must be reproduced in churches auditoriums hotels and civic centers Architects and Engineers Specifications The loudspeaker system shall be of the dual subwoofer type consisting of two 381 mm 15 inch high power woofers in a vented enclosure The system shall be capable of being biamped using the connectors located on the rear of the enclosure The loudspeaker system shall meet the following performance criteria Power handling shall be 1 000 watts of pink noise with a 6 dB crest factor for two hours and 800 watts for eight hours Altec Lansing DTS 215 Duplex Loudspeaker System Altec Lansing DTS 215 Duplex band limited from 35 Hz to 500 Hz with the Altec Lansing 2400A controller Freguency response shall be smooth and uniformly usable from 42 Hz to 500 Hz 60 Hz to 500 Hz without 2400A controller Pres sure sensitivity shall be 98 dB SPL when measured at one meter on axis with one watt of band limited pink noise from 4
9. r workmanship for a period of five 5 years from the date of origi nal purchase The Limited Warranty does not apply to burned voice coils or malfunctions such as cone and or coil damage resulting from improperly designed enclosures Altec Lansing active electronics associated with the speaker systems are guaranteed for three 3 years from the date of original purchase Additional details are included in the Uni form Limited Warranty statement For technical assistance contact Technical Support at 800 234 6831 or 616 695 6831 M F 8 00 a m to 5 00 p m Eastern Stan dard time Specifications subject to change without notice Figure 1 Frequency Response 110 00 90 000 60 000 70 000 60 000 40 000 20 100 M without m mmm 13 AUG 96 12 29 39 with Controller Ok 20k 1 Altec Lansing DIS 215 Duplex ZS Figure 2 Impedance paralleled Figure 3 Distortion 1 power no controller Figure 4 Distortion 10 power no controller AUDIO PRECISION ZER LEVEL V vw FREQHz 13 AUG 96 12 24 03 ANECDIST AMP dBi vw FHREQ U 13 AUG 95 11 20 32 rare A te 2nd Harmonic 3rd Harmonic ima E E 6 S ELE PL LLLA TE ARE LOI EM 11 LH 100 Tk 10k 20k ANECDIST AMPLIS vw FREQ 13 AUG 96 11 26 21 70 000 2nd Harmonic amr 100 ik D LE OCLOI R Loudspeaker System Altec Lansing DTS 21
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