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NV SERIES
SUBWOOFER MODELS
NV–SW12, NV–SW15
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FUSION CULTURE There’s no point doing something if no one notices. We’ve always believed the way to make things happen is by getting noticed. From our product, to our demo cars, to our events, FUSION is about making some noise. Now you are ready. Step out of the shadows and announce you’ve arrived in a world where the old limits are left behind. Where technology is creatively combined with the latest in product innovation. Where new levels of entertainment are delivered with outstanding pe
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TABLE OF CONTENTS • SUBWOOFER FEATURES. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .pg 4 • SUBWOOFER THEILE/SMALL PARAMETERS . . . . . . . . . . . . . . . . . . . . . .pg 5 • SUBWOOFER DIMENSIONS NV-SW1 . . . . . . . . . . . . . . . . . . . . . . . . . . .pg 6 • SUBWOOFER DIMENSIONS NV-SW15 . . . . . . . . . . . . . . . . . . . . . . . . . . .pg 7 • ENCLOSURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .pg 8
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SUBWOOFER FEATURES FUSION subwoofers are low frequency drivers capable of delivering extremely high bass levels from small enclosures. In order to achieve the maximum performance from your new FUSION Subwoofer, please use one of the recommended size enclosures that best suits your application. Sealed and vented enclosure sizes can be found in this manual. BASKET NV Series Subwoofers feature a uniquely high pressure cast aluminium basket. Development of the NV Series basket allows rigidity an
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SUBWOOFER THEILE/SMALL PARAMETERS Subwoofer Parameters NV-SW12 NV-SW15 MAX Power Rating (Watts) 000 500 RMS Power Rating (Watts) 1000 1100 Coil Height (Hvc) (mm) 40 40 Compliance (Cms) (uM/N) 180.8 146.18 Cone Area (Sd) 47.9 77.9 D.C.Coil Resistance (Re) 0.94 0.88 Electrical Q (Qes) 0.47 0.55 Force Factor (BL) 8.5 8.4 Free Air Resonance (Fs) 6.8 .6 1Hz – 500Hz 19Hz – 500Hz Frequency Response (Hz) 10 10 Gap Height (Hag) (mm) Impedance (Nominal) 1 1 Inductance (Le) (mH) 0.5 0.51 Lin
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227mm (8–15/16") 333mm (13–1/8") 204mm (8–1/16") DIMENSIONS SUBW00FER NV-SW12 333mm (13–1/8") 294mm (11–5/8") 333mm (13–1/8") 6 6 6
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246mm (9–11/16") 219mm (8–5/8") 410mm (16 –1/8") DIMENSIONS SUBWOOFER NV-SW15 410mm (16 –1/8") 366mm (14–7/8") 410mm (16 –1/8") 7 7 7
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ENCLOSURES All enclosures include port and subwoofer displacement. All ports are circle aero ports unless otherwise stated. Ported Enclosures: A ported enclosure is generally larger than a sealed enclosure Sealed Enclosures: A sealed enclosure will be the smallest enclosure you can build. It will have a tight low frequency response, but not as low as a ported enclosure. OPTIMUM ENCLOSURES PORTED NV-SW12 NV-SW15 Volume (litres) 87.8 106.4 Volume (cu.ft) .086 .759 Port diameter (mm / in) 10
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ENCLOSURE CONSTRUCTION All enclosures should be constructed from 18mm (/4”) Medium Density Fibre board. Enclosures should be glued and screwed, because MDF is porous. FUSION recommends sealing the internal sides with a polyurethane sealer prior to installation. To accurately cut the subwoofer hole use the unique FUSION ruler guide included inside the FUSION Subwoofer packaging. ENCLOSURE PLACEMENT An important factor is to place the subwoofer enclosure as far back in the vehicle as possible
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ENCLOSURE TEST CURVES SUBWOOFER NV-SW12 SEALED Amplitude Response (dB-SPL/Hz at 1 m) with 1200 watts 124 118 112 106 dB 100 94 88 82 5 10 50 100 500 1000 20K Hz PORTED Amplitude Response (dB-SPL/Hz at 1 m) with 1200 watts 124 118 112 106 dB 100 94 88 82 5 10 50 100 500 1000 20K Hz 10 10 10
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SUBW00FER NV-SW15 SEALED Amplitude Response (dB-SPL/Hz at 1 m) with 1500 watts 125 119 113 107 dB 101 95 89 83 5 10 50 100 500 1000 20K Hz PORTED Amplitude Response (dB-SPL/Hz at 1 m) with 1500 watts 125 119 113 107 dB 101 95 89 83 5 10 50 100 500 1000 20K Hz 11 11 11
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resistance amperage current TECH TIPS POWER CABLE CALCULATOR 0-4 FT 4-7 FT 7-10 FT 10 -1 FT 1-16 FT 16-19 FT 19- FT - 8 FT TOTAL AMPERAGE 0 – 0 14 1 1 10 10 8 8 8 0 – 5 1 10 8 8 6 6 6 4 5 – 50 10 8 8 6 4 4 4 4 50 – 65 8 8 6 4 4 4 4 65 – 85 6 6 4 4 0 85 – 105 6 6 4 0 105 – 15 4 4 4 0 0 0 0 15 – 150 0 0 0 0 0 The above chart shows cable gauges to be used, if no less than a 0.5 volt drop is acceptable. If aluminium wire or tinned wired is used, the gaug
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SUBWOOFER RULER GUIDE Use the FUSION ruler guide to create a perfect subwoofer mounting surface. Fig. 1 1: Mark the centre position on the MDF (Medium Density Fibre) board where the subwoofer is to be mounted. 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 250 260 270 280 290 300 310 320 330 340 350 360 370 380 390 400 (mm) Centre usionc r udio com 10" 10"outside 12" 12"outside 15" 15"outside cutout 263mm cutout 312mm cutout 389mm 0 1 2 3 4
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0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 250 260 270 280 290 300 310 320 330 340 350 360 370 380 390 400 (mm) 10" 10"outside 12" 12"outside 15" 15"outside Centre usionc r udio com cutout 263mm cutout 312mm cutout 389mm 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 (inch) Fig. 3: Insert a pencil into the correct subwoofer cut out measurement. 10", 1", or 15". Fig. 4 4: Scribe a perfect cut out diameter onto the MDF board. Fig. 5 5: Using a j
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SERIES AND PARALLEL SUBWOOFER WIRING FOR DUAL VOICE COIL SUBS Parallel Voice Coil Wiring (1 Ohm operation) To wire a DVC subwoofer in parallel (to get 1 Ohm), use two short pieces of speaker wire and link the positive from one coil to the positive of the second coil, and do the same for the negative as shown in fig 1. Then wire the amplifier to opposite sides of the subwoofer in order to equalise any connection resistance. - Fig.1 1 Ohm operation Series Voice Coil Wiring (4 Ohm operation) To
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PARALLEL WIRING FORMULA FOR 2 SPEAKERS 8 Ohm 4 Ohm 2.67 Ohms R1 x R2 4 Ohms x 8 Ohms 32 = LOAD IMPEDANCE = = 2.67 Ohms R1 + R2 4 Ohms + 8 Ohms 12 SERIES WIRING FORMULA FOR 2 SPEAKERS – + – + 4 Ohm 4 Ohm – + 8 Ohms R1 + R2 = LOAD IMPEDANCE 16 16 16
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TROUBLE SHOOTING No sound from your subwoofer: Check amplifier and wiring connections. Distorted sound: Check the connections from amplifier, processor or head unit. Subwoofer makes unusual noise in sealed enclosure: The enclosure may have leaks causing a lack of back pressure. Remove the subwoofer and ensure the enclosure is completely sealed, use sealer and polyurethane to do this. Ported enclosure makes an unusual noise: Possibly due to incorrect port used. The correct term is chuffing, an
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NOTES
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Specifications and design are subject to change without notice.
