Pride M20.12 S1

1Ω

Subwoofer

Nominal diameter	12″ / 325 mm
Resonance	29.5 Hz
Q factor	0.31
Sensitivity	85.6 dB
Linear excursion	± 23 mm
Program Power	4000 W

Pride M20.12 S1 Subwoofer

Specifications

Sensitivity (1W, 1m, infinite baffle) SPL1W 85.6dB

Thiele & Small parameters

Resonance frequency (free air) fS 29.5Hz
Mechanical quality factor QMS 4.31
Electrical quality factor QES 0.34
Total quality factor QTS 0.31

Large signal parameters

Maximum linear excursion xmax 23mm
Air volume displaced at xmax VD 1219cm³
Power handling P 2000W
Program power Pmax 4000W

Voice Coil

Nominal impedance Z 1Ω
DC resistance RE 0.3Ω
Inductance (1kHz, estimated) LE 0.37mH
VC Diameter 81.3mm
Winding material round copper

Magnet

Force factor Bl 8.7N/A
Motor constant Bl/√RE 15.9N/√W
Diameter 210mm
Height 54mm

Diaphragm

Effective diameter 260mm
Effective area SD 530cm²
Moving mass MMS 410g
Moving mass (without air load) MMD 401g
Material Paper with glass fiber

Suspensions

Stiffness KMS 12N/mm
Compliance CMS 83µm/N
Equivalent volume to the compliance VAS 33.2L
Mechanical resistance RMS 17.6N·s/m

Dimensions

Nominal diameter 12″
325mm
Overall diameter 325mm
Baffle cutout diameter 308mm
Mounting depth 188mm
Volume occupied by the driver 4L
Net weight 18.2kg
Frame material Aluminium

Pride M20.12 S1 Dimensions

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