VDO HPS 10 - Speaker Specifications; Technical Specifications; Physical Dimensions and Weight; Thiele Small Parameters

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Thiele Small Parameters HPS 10 HPS12
Min. Impedance/ at Freq Zmin(Ohm/ Hz) 4.0/154 4.0/133
Maximum Impedance Zo Ohm 25.7 24.0
DC Resistance Re Ohm 3.3 3.3
Voice Coil Inductance Le (mH) 1.6 1.8
Capacitor in series with 4 Ohm Cc (µF) 80 75
Resonance Frequency fs (Hz) 46.0 38.8
Mechanical Q Factor Qms 4.44 3.93
Electrical Q Factor Qes 0.64 0.62
Total Q Factor Qts 0.56 0.54
F (ratio fs/Qts) F (Hz) 82 72
Mechanical Resistance Rms (Kg/s) 7.38 8.09
Moving Mass Mms (g) 113.2 130.1
Suspension Compliance Cms (mm/N) 0.113 0.132
Effective Cone Diameter D (cm) 21.2 24.4
Effective Piston Area Sd (cm
2
) 352 466
Equivalent Volume Vas (ltrs) 18.1 38.8
Force Factor Bl (N/A) 12.9 12.9
Linear Xmax Peak Xmax (mm) 12.5 12.5
Max Mechanical Xmax Peak Xmax (mm) 22 22
Voice Coil Diameter d (mm) 51 51
Voice Coil Length h (mm) 33 33
Voice Coil Layers n 4 4
Flux Density in Gap B (T) 1.04 1.04
Total Useful Flux (mWb) 2.5 2.5
Height of the Gap (mm) 8 8
Diameter of Magnet (mm) 147 147
Height of Magnet (mm) 35 35
Weight of Magnet (kg) 2.42 2.42
Speakers
Model HPS10 HPS12
Description Subwoofer Subwoofer
Specification
Max. Power Watts 800 1000
Nominal Power Watts 300 400
Sensitivity dB/1W/m 92 93,5
Nominal Impedance (Ohm) 4 4
Frequency Response 24-400Hz 21-400Hz
Materials
Cone Nomex/Kevlar/ Nomex/Kevlar/
Glassfibre Composite Glassfibre Composite
Basket Material Cast Aluminium Cast Aluminium
Woofer Magnet Strontium Ferrite Strontium Ferrite
Voice Coil info Aluminium Aluminium
Connectors Gold-plated Gold-plated
Dimensions and Weight
Woofer Size 250 mm 300 mm
Mounting Diameter Woofer 239 mm 277 mm
Mounting Depth 122 mm 130 mm
English