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


Key Features

450 W Sub-woofer.

Designed for small volume box.

Special damping treatment with glass sphere. 

High thicknsess reinforced paper.

Fast transient responce.

Propriety design FEM optimized Basket.

General Specifications

Musical power (W): 450
Nominal power AES (W) 220
Nominal diameter (''/mm) 6.5/165
Nominal impedance (Ω) 4+4
Voice coil diameter (mm): 50
Sensitivity 1W/1m (dB) 88.5
Spare part code

Thiele Small Parameters

Note T/S parameters measured with coils in series
Re 5.2 ohm
Fs 38 Hz
Qms 5.1
Qes 0.31
Qts 0.29
Mms 24 g
D 127 mm
Vas 16.5 l
BxL 9.8 Tm
Linear Mathematical Xmax 5.5 mm
n 0.3
Le (1kHz) 1.6 mH


Basket Type Aluminium
Magnet Type Ferite
Cone Material High thickness paper, treated with glass sphere
Suspension Material Rubber
Spider Material Fabric
Former material Fiberglass
Winding material Copper
Connector type Faston
Cone shape Exponential
Gap height 8 mm

Dimension and weight

Overall diameter 174 mm
Total depth 77 mm
Flange thickness 6 mm
Front mount baffle cutout diameter 146 mm
N. of mounting holes 6
Mounting holes diameter (mm) 4.5 mm
Bolt circle diameter 164 mm
Gross weight


Model Code Info
HWB130 HWB130