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Thank you for purchasing this FLI UNDERGROUND subwoofer enclosure. It will provide you with years of trouble free usage providing you follow a few simple guidelines. INTRODUCTION This instruction manual is for your safety and must be adhered to at all times. Please read and ensure that you fully understand the installation and set up procedures as explained.
Run in procedure FLI UNDERGROUND recommends that you follow the run in procedure for the subwoofer detailed below. When your subwoofer is used for the fi rst time naturally like most brand new items it is very stiff and rigid, it will take time for the moving parts of this subwoofer to loosen up before it will be ready to deliver its full potential.
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PASSIVE ENCLOSURE WIRING (single) SINGLE ENCLOSURE 4Ω...
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PASSIVE ENCLOSURE WIRING (TWIN) FLI UNDERGROUND twin subwoofer enclosures are suitable for wiring at both 8Ω and 2Ω. TWIN ENCLOSURE 8Ω TWIN ENCLOSURE 2Ω...
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AVAILABLE NOW IN THE FLI UNDERGROUND RANGE: UNDERGROUND up to up to speakers 270 watts 270 watts FU 4 FU 5 FU 6 FU 69 FU 5c FU 6c up to up to subwoofers 1200 watts 1200 watts FU 10 FU 12 FU 15 up to...