Auto audio lielveikals

10 gadi tirgū. Produkti: 3274.

Apraksts


  • 8” / 200 mm subwoofers with very low mounting depth for shallow subwoofer designs and under-seat installation in BMW vehicles

  • Allows to use extremely compact, sealed enclosures

  • Oversized 42.5 mm / 1.7” voice coil for high power handling

  • 2 x 2 Ohms impedance per woofer for most flexible connection options

  • Plug & Play connectors for original BMW cable harness are included in delivery

  • Fit directly into the original mounting positions under the front seats of all BMW model ranges with under-seat subwoofers

  • Also well suited for universal use in shallow subwoofer designs 



Power RMS / max.     P     200 / 400 Watts

Impedance      Z     2 x 2 Ω

DC resistance      Re     3.4 Ω

Resonance frequency      Fs     46 Hz

Mechanical Q factor      Qms     4.45

Electrical Q factor      Qes     0.59

Total Q factor     Qts     0.52

Compliance     Cms     272 µm/N

Equivalent air volume     Vas     17.3 L

Force factor      B*I     8.6 Tm

Efficiency 1 W / 1 m     SPL     90 dB

Cone area      Sd     214 cm²

Moving mass      Mms     44.2 g

Cone material           Hand-scooped paper cone

Mechanical resistance      Rms     0.74 kg/s

Voice coil diameter     ø     42.5 mm

Voice coil winding height           12.5 mm

Max. linear excursion      Xmax     +/- 4.0 mm

Outer diameter     ø     239 mm / 9.41"

Installation diameter     ø     175 mm / 6.89"

Installation depth           40 mm / 1.57"

            

Recommended enclosure volumes           

Sealed box           

Net volume           3 L

Lower limiting frequency (-3dB)           63 Hz

DSP settings           - Highpass: Butterworth; 12 dB/octave; crossover frequency 40 Hz

- Additional EQ filter: center frequency 90 Hz; Q factor 3.0; gain -4 dB

- Lowpass: Butterworth; 24 dB/octave; crossover frequency 80 - 100 Hz

                  

Vented box           For one subwoofer     For two subwoofers

Net volume           12 L     24 L

Port diameter     ø     60 mm / 2.36"     80 mm / 3.15

Port area           28 cm²     50 cm²

Port length           25 cm / 9.84"     20 cm / 3.94"

Port tuning frequency     Fb     46 Hz     46 Hz

Lower limiting frequency (-3dB)           45 Hz     45 Hz

DSP settings           - Highpass: Self-Define; crossover frequency 40 Hz; Q factor 1.3

- Additional EQ filter: center frequency 67 Hz; Q factor 3.0; gain -3 dB

- Lowpass: Butterworth; 24 dB/octave; crossover frequency 80 - 100 Hz


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