Paper Cone Mid/Bass
Classic 8" mid/bass originally made by Vifa but now produced by Scanspeak, utilising a special pulp paper cone and diecast magnesium chassis.
Used extensively by Heybrook in the original HB1, the M21WG-09-08 is ideal for use in both 2-way and 3-way systems.
Technical Data:
Frame diameter: 215mm
Nominal power handling: 50w
Voice coil diameter: 25mm
Vas: 81L
Qts: 0.7
Qes: 0.82
Qms: 4.9
Force factor (BL): 5.2Tm
Moving Mass (Md): 16.5g
Effective piston area (Sd): 231.0cm
Voice coil inductance (Le): 0.9mH
DC resistance (Re): 5.6 ohm
Free air resonance: 38Hz
Frequency range: 38Hz - 4000Hz
Nominal impedance: 8 ohm
Sensitivity (2.83v/1m): 90dB
Physical Sizes:
Frame diameter: 215mm
Cutout diameter: 190mm
Fixing holes: 4 x 5mm diameter on 206.5mm PCD
Flange thickness: 4.5mm
Overall depth (front of frame to rear of magnet): 78mm
Price per single unit excluding VAT