User manual ALTEC LANSING LF215-4A LF SPEAKER SYSTEM
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Manual abstract: user guide ALTEC LANSING LF215-4A LF SPEAKER SYSTEM
Detailed instructions for use are in the User's Guide.
[. . . ] The LF215-4A has been designed to provide extended low frequency performance in Auditoriums, Performing Arts Centers, Houses of Worship, or any facility requiring low frequency reinforcement for full-range music reproduction. Two of the Altec model 4156-8A 15" / 380mm woofers are used in the LF215-4A. [. . . ] Nominal impedance shall be 4. 0 ohms with a minimum impedance of 3. 5 ohms at 41 Hz. The unit shall be a trapezoid enclosure constructed of 18 mm birch plywood with a cloth covered metal grille. The cabinet shall include integral steel-reinforced suspension points. Forged shoulder machinery eye bolts shall be included to facilitate the suspension of the speaker system. The dimensions shall be 37. 50 inches (953 mm) high by 24. 13 inches (613 mm) wide by 26. 13 inches (664 mm) deep. The loudspeaker system shall weigh 115 pounds (52. 3 kg). The loudspeaker system shall be the Altec Lansing Professional model LF215-4A.
Altec Lansing Professional Oklahoma City, OK 73116
LF215-4A
A division of Altec Lansing Technologies, Inc. , Milford, PA 18337-0277 · Made in China
PARALLEL
MODE
SPLIT
+
INPUT
PARALLEL MODE 4 OHMS
-
+
-
PIN 1 PIN 1
+
-
SPLIT MODE 2x 8 OHMS PARALLEL MODE TOP DRIVER SPLIT MODE BOTTOM DRIVER SPLIT MODE
PARALLEL MODE TOP DRIVER SPLIT MODE
PIN 2 PIN 2
+
-
BOTTOM DRIVER SPLIT MODE
+
-
+
-
As we are continually striving to improve Altec Lansing products, specifications are subject to change without notice. Please visit www. altecpro. com for the lastest information on Altec Lansing Professional products.
MOUNTING DIMENSIONS
26. 10 [663. 05] 16. 19 [411. 26] 1. 71 [43. 40] 6. 33 [160. 76]
18. 70 [475. 02]
6. 65 [169. 01]
37. 40 [950. 00]
9. 47 [240. 47]
10. 10 [256. 65] 5. 1 [128. 33] 1. 7 [43. 40]
26. 11 [663. 28] DENOTES CENTER OF MASS DIMENSIONS ARE IN INCHES. DIMENSIONS SHOWN IN ( ) PARENTHESES ARE IN MILLIMETERS.
16. 64 [422. 71] 7. 56 [192. 14]
15 11. 9 [301. 51] 9. 47 [240. 47]
24. 1 [612. 10]
SPECIFICATION NOTES
1 The frequency response of the loudspeaker system is measured at a distance of no less than 3 meters to obtain full range data. The level is then corrected to be equivalent to a 2. 0 V 1 m measurement. A near field measurement of the loudspeaker system is performed for frequencies below 500 Hz. This data is then combined with the full range measurement to give an accurate composite frequency response curve. 2 The limits of the frequency response are referenced to -3 dB of the systems rated sensitivity. 3 The sensitivity of the loudspeaker system is the log based average SPL taken over the intended bandwidth of operation for the system with a 2. 0 V swept sine stimulus. [. . . ] · Specification sheets in . pdf format. Download page 1 of the specification sheet for your submittals. [. . . ]
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