Magnet Type
Nominal diameter (in/mm)
Program power (W)
Voice Coil Diameter (in)
Nominal Impedance (ohm)
Sensitivity (db 1W/1m)


Key Features

93 dB 1W/1m sensitivity
100 mm (4 in) Sandwich Voice coil
1000W AES Power Handling
Rubber surround
Double Magnet Design
Double Spider Technology
Diecast Aluminum Basket
Suitable for ultra low distortion subwoofer designs

General Specifications

Musical power (W): 2000
Nominal power AES (W) 1000
Nominal diameter (''/mm) 18”- 450 mm
Nominal impedance (Ω) 8
Voice coil diameter (mm): 100
Sensitivity 1W/1m (dB) 93
Spare part code RP18.00SW

Thiele Small Parameters

Re 6,80 Ω
Fs 36 Hz
Qms 11,16
Qes 0,47
Qts 0,45
Mms 371 g
Cms 0,50 mm/N
D 37,5 mm
Vas 88 dm³
BxL 35,11 Tm
Linear Mathematical Xmax ± 14 mm
n 0,65 %
Le (1kHz) 2,35 mH


Basket Type Diecast Aluminum
Magnet Type Ceramic
Cone Material Treated cellulose
Suspension Material Rubber Half-Roll
Spider Material Nomex, Double
Former material Kapton
Winding material Copper
Connector type Push Button
Cone shape Straight
Gap height 10 mm


Applications Subwoofer
Recommended Loading Bass Reflex
Loading Volume 90 dm³
Tuning Frequency 33 Hz
Frequency range 20 - 200 Hz

Dimension and weight

Overall diameter 460 mm
Total depth 183 mm
Flange thickness 27 mm
Front mount baffle cutout diameter 416 mm
N. of mounting holes 8
Mounting holes diameter (mm) 7 mm
Bolt circle diameter 440 mm
Gross weight 15,7 Kg


NPieces per masterpacking 1


Model Code Info
18.00SW P18.00SW

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