Community VLF208B Operation Manual Download

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VLF Series

Versatile Low Frequency Systems

Models:

VLF208B / VLF208W

VLF212BI / VLF212WI

VLF212BP

Operation Manual

Summary of Contents for VLF208B

Page 1: ...VLF Series Versatile Low Frequency Systems Models VLF208B VLF208W VLF212BI VLF212WI VLF212BP Operation Manual...

Page 2: ...cts bearing the CE label comply with the following harmonized or national standards DIN EN 55013 08 1991 DIN EN 55020 05 1995 DIN EN 55082 1 03 1993 The authorized declaration and compatibility certif...

Page 3: ...VLF SAB STEERED ARRAY BRACKET 18 DIMENSIONAL DRAWINGS 19 WARRANTY INFORMATION AND SERVICE 22 TABLE OF FIGURES No Figure Page 1 Physical Features of a VLF208 6 2 Physical Features of a VLF212I 6 3 Phys...

Page 4: ...NT SAFETY INFORMATION Always follow these basic safety precautions when using or installing VLF loudspeakers and accessories 1 Read these instructions 2 Keep these instructions 3 Heed all warnings 4 F...

Page 5: ...in any way they can but it is the responsibility of the party receiving the shipment to file the damage claim It s always a good idea to retain the carton and packing materials indefinitely if possib...

Page 6: ...al Page 6 Figure 1 Physical Features of a VLF208 Figure 2 Physical Features of a VLF212I Figure 3 Physical Features of a VLF212P 8 MOUNTING POINTS 4 ON EACH SIDE RECESSED FOOT MOUNTING LOCATIONS 4 FOR...

Page 7: ...4 Ohms 4 Ohms Input Connection 1 NL4 compatible locking connector 1 2 conductor barrier strip 1 NL4 compatible locking connector 1 2 conductor barrier strip 2 NL4 compatible locking connector 2 jack...

Page 8: ...or the loudspeaker components Recommended DSP Settings for the VLF208 High Pass Filter Linkwitz 48 dB Oct 55 Hz Low Pass Filter Butterworth 48 dB Oct 200 Hz Varies based on the full range system used...

Page 9: ...Q4 PEQ5 Frequency 38 Hz 45 Hz 62 Hz 110 Hz 200 Hz Gain 4 5 dB 2 5 dB 3 dB 1 dB 7 dB Slope Q 0 20 Oct 0 19 Oct 0 5 Oct 1 Oct 0 33 Oct Figure 7 VLF212 Frequency Response Unprocessed Raw Data 70 80 90 10...

Page 10: ...es to this type of multi stage protection circuitry The trip point is pre set to engage at exactly the same time on all loudspeakers that are powered from the same amplifier The initial stages of DYNA...

Page 11: ...rom attempting to reproduce frequencies below the loudspeaker s intended operating range The table below shows the recommended filter settings Model High Pass Filter VLF208 Subwoofer 55 Hz 24 dB octav...

Page 12: ...NL4 Pin 1 or the terminal screw labeled connect to the negative black output of the amplifier Note that the NL 4 and the terminal strip are wired in parallel and that Pins 2 and 2 on the NL4 connecto...

Page 13: ...ut it also presents a higher impedance load to the amplifier This can become quite important particularly if a pair of full range loudspeakers and a subwoofer are being powered from a single amplifier...

Page 14: ...l be different than if it is flown 15 or 20 feet over the subwoofer We encourage you to experiment to obtain the quality of sound that is to your liking IMPORTANT The corner frequency of the built in...

Page 15: ...pins are connected to the NL4 output connector to the output jack and to the drivers in the subwoofer In the Hi Pass Mode the pin designation is as follows NL4 Pin 1 and the tip of the jack connect to...

Page 16: ...r AC Mains plug s Many modern high power amplifiers can deliver enough voltage and current to cause a harmful or lethal electric shock Shocks from very low frequencies such as kick drums can cause the...

Page 17: ...munity assumes no further or extended responsibility or liability in any way or by any means whatsoever It is the responsibility of the installer to insure that safe installation practices are followe...

Page 18: ...ARNING VLF rigging fittings are rated at a Working Load Limit of 100 lbs 45 4kg with a 10 1 safety margin No single rigging fitting should ever be subjected to a load that is greater than 100 lbs Fail...

Page 19: ...55 13 000 330 2 TOP VIEW FRONT VIEW RIGHT SIDE VIEW LEFT SIDE VIEW SPEAKER ACCESS PANEL RIGHT SIDE LEFT SIDE BOTTOM PORT BOTTOM VIEW REAR VIEW RIGHT SIDE BOTTOM TOP FRONT FRONT 4 M10 HANG POINTS 9 69...

Page 20: ...re 19 VLF212I Dimensions FRONT VIEW SIDE VIEW BOTTOM VIEW TOP VIEW 20 000 508 21 750 552 45 20 000 508 REAR VIEW SPEAKER ACCESS PANEL FACE FACE 10 299 261 6 8 000 203 2 4 000 101 6 2 209 56 1 2 250 57...

Page 21: ...gure 20 VLF212P Dimensions FRONT VIEW SIDES BOTTOM VIEW TOP VIEW 20 000 508 21 750 552 45 20 000 508 BACK VIEW SPEAKER ACCESS PANEL FACE FACE 2 209 56 1 2 250 57 15 2 209 56 1 2 250 57 15 FEET 4 M10 H...

Page 22: ...products purchased in the United States return the product for inspection to the address below freight prepaid in the original packaging If the original packaging is not available call or write Commun...

Page 23: ...tice and with no obligation to make corresponding changes in products previously manufactured While this warranty gives specific legal rights there may also be other rights that vary from state to sta...