Kartesian Sub120_vHP

8Ω

Subwoofer

Nominal diameter	4.5″ / 120 mm
Resonance	46 Hz
Q factor	0.33
Sensitivity	81 dB
Linear excursion	± 6 mm
Program Power	150 W

Kartesian Sub120_vHP Subwoofer

Specifications

Sensitivity (1W, 1m, infinite baffle) SPL1W 81dB
Frequency response 48 - 3000Hz

Thiele & Small parameters

Resonance frequency (free air) fS 46Hz
Mechanical quality factor QMS 2.52
Electrical quality factor QES 0.39
Total quality factor QTS 0.33

Large signal parameters

Maximum linear excursion (one way) xmax 6mm
Air volume displaced at xmax VD 32cm³
Power handling P 80W
Program power Pmax 150W

Voice Coil

Nominal impedance Z 8Ω
DC resistance RE 6.8Ω
Inductance (1kHz) LE 0.76mH

Magnet

Force factor Bl 8.6N/A
Motor constant Bl/√RE 3.3N/√W
Diameter 90mm
Height 40mm

Diaphragm

Effective diameter 83mm
Effective area SD 53.5cm²
Moving mass MMS 14.5g
Moving mass (without air load) MMD 14.2g

Suspensions

Stiffness KMS 1.2N/mm
Compliance CMS 833µm/N
Equivalent volume to the compliance VAS 3.38L
Mechanical resistance RMS 1.66N·s/m

Dimensions

Nominal diameter 4.5″
120mm
Overall diameter 120mm
Baffle cutout diameter 98mm
Overall depth 81mm
Flange thickness 5mm
Mounting depth 76mm
Volume occupied by the driver (estimated) 0.31L

Kartesian Sub120_vHP SPL & Impedance

Kartesian Sub120_vHP Dimensions

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