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APPLICATION:

• The 15NPM is ideal for use in vented port or horn loaded high quality audio applications. Designed with extended mid frequency, it is ideal for 2-way and multi-way speaker systems

15NPM

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NEODYMIUM WOOFER

Ordering code: 15NPM-262

CONT. POWER

SENS.

Fs

Freq. Range

VC Dia.

 IN-OUT WOUND

VC Wire

Cone /

Surround

Magnet

Type

1,600 WATTS

97.5 dB

48 Hz

35-

2,500 Hz

4"

IN-OUT

Alu Ribbon

PAPER w. CF

FABRIC

NEO

Product Preview

      The 15NPM is a truly unique full range woofer. We have designed cutting edge product, using the best available materials and highly optimized design for the best performance in its class. It delivers very high efficiency, (97 dB 1watt / 1 meter), incredibly linear frequency response characteristics with extend- ed HF frequency response, extreme high power handling capability, while generating ultra low harmonic distortion artifacts.

The 123NPM uses a lightweight carbon fiber loaded cone assembly along with a high excursion triple roll constant geometry surround. This combination provides remarkable strength, high efficiency and a peak to peak linear excursion of 22mm (0.9in). Magnetic Circuit

 

The magnetic circuit sports two aluminum shorting rings, double air-gap front plate. The cooling system and the air flow has been designed using modern FEM techniques and further optimized to provide the highest levels of cooling efficiency. The magnetic circuit design is optimized to generate the minimum amount of flux modulation, providing exceptional stability.

 

 

GENERAL SPECIFICATIONS:

Nominal Diameter

381 mm (15 in.)

Rated Impedance

8 ohm

Power Handling

 

AES Power

900 watts

PROGRAM Power

1,600 watts

PEAK Power

3,200 watts

Power Compression

 

@ -10dB

0.55 dB

@ 0dB

1.5 dB

@ Max. Power

2.2  dB

Max. Recommended X-OVER Freq.

1,800 Hz

Recommended Enclosure Volume

70 - 180 Liters

Cone Design / Cone Material

Strght. Gmtry, REDCATT Pulp

Voice Coil Diameter / Winding

4"

Voice coil Winding Height

23 mm

Front Plate Thickness

12.5 mm

T/S Parameters:

 

Fs

48 Hz

Re

4.97 Ohm

Sd

855 cm2

Qms

16.5

Qes

0.503

Qts

0.488

Vas

92 Liters

Mms

120 g

Bl product (Force Factor)

19 Tm

Peak To Peak Displacement

18 mm

Le (mH @ 1kHz)

0.68

Mechanical Parameters:

 

Overall Diameter

392 mm (15.43 in.)

No. Of Mounting Holes

8

Bolt Circle Diameter

372 mm (14.64 in.)

Front Mount Baffle cutout

362 mm (14.25 in.) Nominal

Rear Mount Baffle cutout

260 mm (14.17 in.) Nominal

Total Depth

164 mm (6.46 in.)

Flange and gasket thickness

12 mm (0.47 in.)

Packaging info:

 

Net Weight

8.1 kg (18.8 lbs.)

Shipping Weight

8.7 kg (19.1 lbs.)

Packaging Dimensions

45x45x20cm

 

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