PROFESS IONALLOUDSPEAKERS

DUAL 15” FRONT LOADED SUBWOOFER KIT

APPLICATION NOTE

© Eighteen Sound Srl 2013 all rights reserved | Eighteen Sound engages in research and product improvement. New materials and design refinements can be introduced into existing products without notice.

DUAL 15” KIT

KEY FEATURES> An high density dampening material, such as Dacron or other synthetic fibers, is required for better performance.

> Handling, rigging and connectors are at user’s choice. It’s very important that their placement should not influence in any way the proper vent functionality.

> 15NLW9500 woofer key features: Neodymium magnet4” interleaved sandwich voice coil Double Silicon SpiderDouble Demodulating Rings Rubber Surround1000W continuous pink noise

> 15ND930 woofer key features:Neodymium magnet3” Edge-wound copper voice coilDouble Demodulating Rings500W continuous pink noise

15NLW9500

15ND930

GENERAL SPECIFICATIONS THIELE SMALL PARAMETERS

NOMINAL DIAMETER 380 mm (15 in)

RATED IMPEDANCE 8 Ohm

CONTINUOUS PINK NOISE 500 W

SENSITIVITY 98 dB

FREQUENCY RANGE 40 ÷ 4100 Hz

MAX RECOMM. FREQUENCY 1700 Hz

RECOMM. ENCLOSURE VOLUME 60 ÷ 140 lt (2.12÷4.95 cuft)

VOICE COIL DIAMETER 75 mm (2.95 in)

NET WEIGHT 4.1 Kg (9.05 lb)

GENERAL SPECIFICATIONS

Fs 36 Hz

Re 5.5 Ohm

Sd 0.085 sq mt. (131.75 sq.in.)

Qms 5.30

Qes 0.23

Qts 0.22

Vas 206 lt. (7.28 cuft)

Mms 101gr. (0,22 lb)

BL 23.8 Tm

Linear mathematical Xmax ± 7,5 mm (± 0,30 in)

Le (1kHz) 1,61 mH

Ref. Efficiency 1W@1m (half space) 98.2 dB

THIELE SMALL PARAMETERS

NOMINAL DIAMETER 380 mm (15 in)

RATED IMPEDANCE 8 Ohm

AES POWER 1000 W

SENSITIVITY 96 dB

FREQUENCY RANGE 42 ÷ 2000 Hz

MAX RECOMM. FREQUENCY 500 Hz

RECOMM. ENCLOSURE VOLUME 70 ÷ 150 lt (2.47÷5.3 cuft)

VOICE COIL DIAMETER 100 mm (4 in)

NET WEIGHT 7 Kg (16.8 lb)

Fs 35 Hz

Re 4.9 Ohm

Sd 0.091 sq mt. (141.1 sq.in.)

Qms 6.7

Qes 0.34

Qts 0.32

Vas 163 lt. (0.32 cuft)

Mms 146 gr. (0,32 lb)

BL 21.6 Tm

Linear mathematical Xmax ± 9 mm (± 0,35 in)

Le (1kHz) 0,8 mH

Ref. Efficiency 1W@1m (half space) 95 dB

© Eighteen Sound Srl 2013 all rights reserved | Eighteen Sound engages in research and product improvement. New materials and design refinements can be introduced into existing products without notice.

KEY FEATURES> The enclosure should be made of balticbirch plywood (18mm thickness).

> Bolts should be M5 or M6, 35mm or more length.

> M5 or M6 T-Nuts are recommended.•Accurate damping of the cabinet interior is highly recommended.

> An high density dampening material, such as Dacron or other synthetic fibers, is required for better performance.

> Handling, rigging and connectors are at user’s choice. It’s very important that their placement should not influence in any way the proper vent functionality.

INTERNAL VIEW

DUAL 15” KIT

© Eighteen Sound Srl 2013 all rights reserved | Eighteen Sound engages in research and product improvement. New materials and design refinements can be introduced into existing products without notice.

MEASUREMENTS: 15NLW9500

DUAL 15” KIT

IMPEDANCEFREQUENCY RESPONSE

© Eighteen Sound Srl 2013 all rights reserved | Eighteen Sound engages in research and product improvement. New materials and design refinements can be introduced into existing products without notice.

MEASUREMENTS: 15ND930

DUAL 15” KIT

IMPEDANCEFREQUENCY RESPONSE

© Eighteen Sound Srl 2013 all rights reserved | Eighteen Sound engages in research and product improvement. New materials and design refinements can be introduced into existing products without notice.

EQUALIZATION SETTINGS SUGGESTIONS

DUAL 15” KIT

2 x 15NLW9500 > High pass: Butterworth 2nd order @ 25 Hz> Parametric EQ: fo= = 35 Hz --gain= 6 dB -- Q= 2> Low pass: Linkwitz Riley 4th order @ 120 Hz

2 x 15ND930> High pass: Butterworth 2nd order @ 25 Hz> Parametric EQ: fo= = 36 Hz --gain= 6 dB -- Q= 2> Low pass: Linkwitz Riley 4th order @ 120 Hz

© Eighteen Sound Srl 2013 all rights reserved | Eighteen Sound engages in research and product improvement. New materials and design refinements can be introduced into existing products without notice.

EXPLODED VIEW

DUAL 15” KIT

© Eighteen Sound Srl 2013 all rights reserved | Eighteen Sound engages in research and product improvement. New materials and design refinements can be introduced into existing products without notice.

FRONT VIEW

DUAL 15” KIT

© Eighteen Sound Srl 2013 all rights reserved | Eighteen Sound engages in research and product improvement. New materials and design refinements can be introduced into existing products without notice.

FRONT PANEL: BOLTS HOLES

DUAL 15” KIT

© Eighteen Sound Srl 2013 all rights reserved | Eighteen Sound engages in research and product improvement. New materials and design refinements can be introduced into existing products without notice.

FRONT SECTION VIEW

DUAL 15” KIT

WOOFER PANEL SECTION

© Eighteen Sound Srl 2013 all rights reserved | Eighteen Sound engages in research and product improvement. New materials and design refinements can be introduced into existing products without notice.

SIDE SECTION VIEW

DUAL 15” KIT

INSIDE WOOFER SECTION

© Eighteen Sound Srl 2013 all rights reserved | Eighteen Sound engages in research and product improvement. New materials and design refinements can be introduced into existing products without notice.

SIDE SECTION VIEW

DUAL 15” KIT

OUTSIDE WOOFER SECTION

© Eighteen Sound Srl 2013 all rights reserved | Eighteen Sound engages in research and product improvement. New materials and design refinements can be introduced into existing products without notice.

BRACING DETAIL VIEW

DUAL 15” KIT

PART G

© Eighteen Sound Srl 2013 all rights reserved | Eighteen Sound engages in research and product improvement. New materials and design refinements can be introduced into existing products without notice.

REAR PANEL VIEW

DUAL 15” KIT

EIGHTEEN SOUNDvia Botticelli 8 | 42124 - Mancasale (RE) | Italy

ph. +39 0522 1861800 | fax. +39 0522 1861801info@eighteensound.com | www.eighteensound.com