Lf-4215-(8)f cinema loudspeaker user manual lf4215-f – dual 15" flyable cinema woofer — 4 ohms lf4215-8f – dual 15" flyable cinema woofer — 8 ohms td-000295-00-b *td-000295-00*.
2 explanation of symbols the term “ warning! ” indicates instructions regarding personal safety. If the instructions are not followed the result may be bodily injury or death. The term “ caution! ” indicates instructions regarding possible damage to physical equipment. If these instructions are not ...
3 introduction the lf-4215-f and the lf-4215-8f dual 15 " (381 mm) low-frequency enclosures are designed specifically for large format cinema applications. Meeting cinema requirements for extended low-frequency response differentiates these products from more conventional “rock-and-roll” woofer syst...
4 suspension the lf-4215-f and the lf-4215-8f enclosures feature 16 load-rated attachment points. As shipped from the factory, each attachment point has a bolt installed to retain the air-tight design of the enclosure. Never operate the loudspeaker with the attachment points open (unsealed) as it wi...
5 connections amplifier connections to the lf-4215-f and lf-4215-8f are made on the rear panel via a neutrik® nl4p speakon™ connector supplied by the installer. This connector provides power to both woofers via the 1+ and 1- terminals. The woofers are internally wired in parallel. Pre-made speakon™ ...
6 dimensions 28.5" 723.9 mm 1.5" 38.1 mm 31.5" 800.1 mm 31.5" (800.1 mm) 19" (482.6 mm) 37" (939.8 mm) 40" (1016 mm) 3" (76.2 mm) 13" (330.2 mm).
7 specifications lf-4215-f / lf-4215-8f frequency range ±3 db 38 – 1000 hz -10 db 30 – 1200 hz useable range maximum output 134.5 db spl calculated peak impedance lf-4215-f lf-4215-8f 4 Ω nominal 8 Ω nominal maximum input power 100 hours of 6 db crest factor pink noise, 30 – 500 hz 800 watts 2 hours...
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