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APPLICATION:

• Ideal for high power subwoofers, with band pass or port loaded enclosure designs.

18FIND

SPECS PDF

DRAWING PDF

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FERRITE WOOFER

Ordering code: 18FIND-036

CONT. POWER

SENS.

Fs

Freq. Range

VC Dia.

 IN-OUT WOUND

VC Wire

Cone /

Surround

Magnet

Type

2,000 WATTS

98 dB

34 Hz

30-

2,500 Hz

4"

IN-OUT

COPPER

PAPER w. GF

FABRIC

FERRITE

      The 18FIND is a high efficiency, (98 dB 1watt / 1 meter) 18-inch woofer with incredibly linear frequency response characteristics, high power handling capability while generating low harmonic distortion artifacts. The 18FIND uses a lightweight glass 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 maximum excursion of 50mm (2in).

 

Power Handling

At the core of the 18FIND is it’s voice coil technology featuring a composite Polyimide former material capable of withstanding peak temperatures in excess of 250C, well beyond the thermal requirements of modern professional audio systems.

 

REDCATT has implemented a silicone spider design to ensure long term shape memory, consistency and diminish anomalies associated with spider deterioration.

 

GENERAL SPECIFICATIONS:

Nominal Diameter

460 mm (18 in.)

Rated Impedance

8 ohm

Power Handling

 

AES Power

1,000 watts

PROGRAM Power

2,000 watts

PEAK Power

4,000 watts

Power Compression

 

@ -10dB

0.7 dB

@ 0dB

1.5 dB

@ Max. Power

2.2  dB

Max. Recommended X-OVER Freq.

500 Hz

Recommended Enclosure Volume

150 - 350 Liters

Cone Design / Cone Material

Strght. Gmtry, REDCATT Pulp

Voice Coil Diameter / Winding

4"

Voice coil Winding Height

23.7 mm

Front Plate Thickness

12 mm

T/S Parameters:

 

Fs

34 Hz

Re

5.17 Ohm

Sd

1257 cm2 (195 in.2)

Qms

8.9

Qes

0.45

Qts

0.43

Vas

235 Liters

Mms

203 g

Bl product (Force Factor)

22.5 Tm

Peak To Peak Displacement

25 mm

Le (mH @ 1kHz)

1.6

Mechanical Parameters:

 

Overall Diameter

467.9 mm (18.42 in.)

No. Of Mounting Holes

8

Bolt Circle Diameter

442 mm (17.4 in.)

Front Mount Baffle cutout

428 mm (16.85 in.) Nominal

Rear Mount Baffle cutout

430 mm (16.92 in.) Nominal

Total Depth

204 mm (8.03 in.)

Flange and gasket thickness

22 mm (0.86 in.)

Packaging info:

 

Net Weight

13.3 kg (29.36 lbs.)

Shipping Weight

14.9 kg (32.8 lbs.)

Packaging Dimensions

485x485x260cm

 

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