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Community Professional Loudspeakers

333 East Fifth Street, Chester, PA 19013-4511 USA

Tel: 1-(610) 876-3400 | Fax: 1-(610) 874-0190

www.community

pro

.com

20080912

Содержание VLF208B

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...