P 3M

SKU: P821300

Helix

Midrange 3″ 75W

HELIX P 3M

The P 3M cone midrange speaker is the perfect complement for every fully active driven 2-way speaker system. Its lightweight glassfiber-paper compound cone guarantees excellent impulse response and minimum sound discoloration, whereas the highly efficient neodymium magnet system provides for a linear drive and minimum distortion. Additionally, the flow-optimized basket not only prevents rear reflections, but also ensures compression-free sound reproduction thanks to optimum voice coil cooling. The P 3M develops its full tonal potential in a sealed, dampened enclosure.

Features

  • 3” / 75 mm cone midrange speaker with novel glassfiber-paper compound cone for maximum stiffness combined with lowest moving mass and perfect inner damping
  • Highly efficient, compact neodymium magnet system for linear drive and minimum distortion
  • Low-resonant basket made from glassfiber reinforced plastic with optimized voice coil cooling for high power handling
  • Grille included0

 

SKU: P821300 Category: Tags: , , , ,
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Speakers Type (Car)

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Technical data

Power RMS / max. 75 / 150 Watts (highpass > 400 Hz at 24 dB/Oct.)
Impedance 4 Ω
DC resistance 3.3 Ω
Frequency response 400 Hz – 5,000 Hz
Resonance frequency 130 Hz
Mechanical Q factor  4.72
Electrical Q factor 0.50
Total Q factor 0.45
Compliance 415 µm/N
Equivalent air volume 0.54 L
Force factor  4.4 Tm
Sensitivity 1 W / 1 m 86 dB
Cone area 30 cm²
Moving mass  3.7 g
Cone material Glassfiber-paper compound cone
Mechanical resistance  0.63 kg/s
Voice coil diameter 25 mm
Voice coil winding height 8 mm
Max. linear excursion  +/- 2 mm
Outer diameter 90 mm / 3.54″
Installation diameter 73 mm / 2.87″
Installation depth 37 mm / 1.46″
Recommended enclosure volumes 
Sealed box with minimum 200 ml net volume
Net volumes  Recommended DSP / amplifier settings
0.2 liter (System resonance: 230 Hz) Crossover frequency: 500 Hz
Min. filter slope: 12 dB/Oct.
0.4 liter (System resonance: 190 Hz) Crossover frequency: 450 Hz
Min. filter slope: 18 dB/Oct.
0.6 liter (System resonance: 170 Hz) Crossover frequency: 400 Hz
Min. filter slope: 24 dB/Oct.

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