Wavecor SW182BD04 Aluminium 8 OHM

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SW182BD02 8 Ohm

7 die cast, alu cone subwoofer, 8 ohm

The 7 transducers SW182BD02 (8 ohm) was designed specifically for high performance compact subwoofer applications where sound quality and low distortion are the priorities.


Balanced Drive motor structure for optimal drive force symmetry resulting in largely reduced even order harmonic distortion
Extremely large linear stroke, Xmax = ± 8 mm, ensuring low distortion at high output levels
Very rigid black aluminium cone to ensure piston motion at high levels and for better heat transfer at high continuous power levels
Rigid die cast alu chassis with extensive venting for lower air flow speed reducing audible distortion
Vented voice coil former for reduced distortion and compression
Vented center pole with dual flares for reduced noise level at large cone excursions
Heavy-duty black fiber glass voice coil former to reduce mechanical losses resulting in better dynamic performance and low-level details
Large motor with 1½ voice coil diameter for better control and power handling
Built-in alu field-stabilizing ring for reduced distortion at high levels
Low-loss suspension (high Qm) for better reproduction of details and dynamics
Black plated cone and motor parts for better heat transfer to the surrounding air
Conex spider for better durability under extreme conditions
Gold plated terminals to ensure long-term trouble free connection

Short data

Usage as Woofer
Power Handling 125 Watt
Impedance 8 Ohm
Frequency from 30 Hz
Max. Frequency 0.5 kHz
Sound pressure 83.5 dB


Overall dimensions 182 mm
Baffle cutout 153 mm
Depth (Total) 86 mm
Frame Material Aluminium diecast
Membrane Type Cone
Membrane Material Aluminium
Voice coil Ø 39 mm
Voice coil height 21 mm
Voice coil material Fibreglass
Air gap height 5 mm
Magnet Ø 102 mm
Magnet-weight 640 g


Resonance fs fs: 30 Hz
Mechanical Q Qms: 8
Electrical Q Qes: 0.37
Total Q Qts: 0.36
Equivalent Air-Volumen Vas: 18 Liter
DC-Resistance Re: 6.4 Ohm
Coil Inductance Le: 2.5 mH
Mech. Compliance Cms: 0.74 mm/N
Moving Mass Mms: 43 g
mech. Resistance Rms: 1.1 kg/s-¹
Max. Excursion +/- Xmax: 8 mm
BL Product Bl: 11.5 N/A
Membrane Area Sd: 131 cm²
Sound pressure dB: 83.5 SPL

Frequency & Impedance

Technical Dimensions

PDF-Product information

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