Features

Very stiff lightweight paper cone with unique “MicroSphere” coating consisting of micro ceramic hollow spheres embedded in a polymer layer

Low-reflection rubber surround for smooth high frequency roll-off

Aerodynamically shaped aluminum diecast basket with optimized voice coil ventilation

Ultra-precise machined, vented neodymium magnet system for highest magnetic flux linearity

Technical data

Power RMS / max. - P - 100 / 150 Watts (highpass > 300 Hz at 24 dB/Oct.)

Impedance - Z - 4 Ω

DC resistance - Re - 3.4 Ω

Frequency response - 250 Hz - 8.000 Hz

Resonance frequency - Fs - 80 Hz

Mechanical Q factor - Qms - 2.21

Electrical Q factor - Qes - 0.33

Total Q factor - Qts - 0.29

Compliance - Cms - 1220 μm/N

Equivalent air volume - Vas - 2.09 L

Force factor - B*I - 4.1 Tm

Efficiency 1 W / 1 m - SPL - 87 dB

Cone area - Sd - 35 cm²

Moving mass - Mms - 3.3 g

Cone material - Paper cone with “MicroSphere” coating consisting of micro ceramic hollow spheres embedded in a polymer layer

Mechanical resistance - Rms - 0.74 kg/s

Voice coil diameter - ø - 25 mm / 1"

Voice coil winding height - 6 mm / 0.2"

Max. linear excursion - Xmax - +/- 1.5 mm

Outer diameter - ø - 92 mm / 3.6"

Installation diameter - ø - 76 mm / 3.0"

Installation depth - 34 mm / 1.3"

Recommended enclosure volumes  

Sealed box with minimum 250 ml net volume  

Net volumes - Recommended DSP / amplifier settings

0.4 liter (System resonance: 200 Hz) -
Crossover frequency: 350 Hz
Min. filter slope: 12 dB/Oct.

0.8 liter (System resonance: 155 Hz) -
Crossover frequency: 300 Hz
Min. filter slope: 12 dB/Oct.

1.2 liter (System resonance: 140 Hz) -
Crossover frequency: 250 Hz
Min. filter slope: 24 dB/Oct.

Note: The enclosure should always be filled with appropriate damping material.