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DSP擴大機

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​超低音

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專車專用喇叭

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線插

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配件

MW 8BMW-D     定價NT$19900

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

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Product Speclflcation

MW 8BMW-D

 

The MW 8BMW-D subwoofers are not only the ideal upgrade for those who are dissatisfied with the bass response in their BMW, but particularly for  those who want to realize unprecedented space saving installation concepts.

The BMW-specific baskets and Plug & Play connectors allow a fast and easy installation into the original mounting positions of all BMW model ranges with under-seat subwoofers.

Nevertheless, these subwoofers are also perfectly qualified for universal applications. Thanks to the very low mounting depth, extremely compact sealed enclosures are no problem at all whereas the oversized 1.7” / 42.5 mm voice coil assures high power handling.

Furthermore, the special speaker connector with its gold-plated screw terminals allows two different configurations. If the metal bracket is mounted the woofer has an impedance of 1 x 4 Ohms - without the metal bracket each voice coil can be driven separately (in this case 2 x 2 Ohms) which is perfect  for the combination with MATCH Plug & Play amplifiers.

No matter if these subwoofers are used as bass upgrade in your BMW or as problem-solver in small sub enclosures, they will definitely add loads of powerful bass for musical enjoyment.

 

Specliflcation

Power RMS / max.

Impedance

DC resistance

Resonance frequency

Mechanical Q factor

Electrical Q factor 

Total Q factor

Compliance

Equivalent air volume

Force factor 

Efficiency 1 W / 1 m

Cone area 

Moving mass 

Cone material

Mechanical resistance 

Voice coil diameter

Voice coil winding height 

Max. linear excursion 

Outer diameter

Installation diameter

Installation depth 

   

Recommended enclosure volumes  

Net volume

Lower limiting frequency (-3dB) 

DSP settings 

    

 

 

 

 

 

Vented box 

Net volume 

Port diameter

Port area 

Port length 

Port tuning frequency

Lower limiting frequency (-3dB) 

DSP settings 

P
Z

Re

Fs

Qms Qes

Qts

Cms

Vas

B*I

SPL

Sd

Mms

Rms

ø

Xmax

ø

ø

ø

Fb

200 / 400 Watts

2 x 2 Ω

3.4 Ω

46 Hz

4.45

0.59

0.52

272 µm/N

17.3 L

8.6 Tm

90 dB

214 cm²

44.2 g

Hand-scooped paper cone

0.74 kg/s

42.5 mm

Handgeschöpfte Papiermembran

+/- 4.0 mm

239 mm / 9.41"

175 mm / 6.89"

40 mm / 1.57"

   

Sealed box  

3 L

63 Hz

-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

    

For one subwoofer            For two subwoofers

12 L                                24 L

60 mm / 2.36"                  80 mm / 3.15

28 cm²                            50 cm²

25 cm / 9.84"                   20 cm / 3.94"

46 Hz                              46 Hz

45 Hz                              45 Hz

- 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

 

Features

  • 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

 

Special features:

 

Switch it parallel
The special speaker connector with its gold-plated screw terminals allows two different configurations and therefore flexible connection options. With the ex works installed connection bracket the subwoofer has an impedance of 1 x 4 Ohms, otherwise each voice coil can be driven individually (impedance 2 x 2 Ohms) and allows perfect combination with MATCH Plug & Play amplifiers.

 

Compatibility

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