Features

Ultra lightweight and fine-meshed silk dome with a visco-elastic Acronal coating on both sides for brilliant and smooth midrange response

Integrated, 24 carat gold plated terminals for maximum conductivity

Ultra-precise machined, 10 x ventilated neodymium magnet for highest magnetic flux linearity

Two-part CNC machined stainless steel housing for maximum heat dissipation

Solid mounting ring and a thread on the back part of the housing allow hidden fastening

Integrated, with pure lamb’s wool dampened coupling volume for very low resonance frequency

Sturdy protection grille is included in delivery

Technical data

Power RMS / max. - P - 120 / 170 Watts (highpass > 750 Hz at 12 dB/Oct.)

Impedance - Z - 4 Ω

DC resistance - Re - 3.4 Ω

Frequency response - 650 Hz - 7,000 Hz

Resonance frequency - Fs - 520 Hz

Efficiency 1 W / 1 m - SPL - 91 dB

Voice coil diameter - ø - 54 mm / 2.13"

Cone area - Sd - 22.9 cm²

Moving mass - Mms - 1.57 g

Cone material - Silk dome with a visco-elastic Acronal coating on both sides 

Outer diameter - ø - 85 mm / 3.4"

Installation diameter - ø - 78 mm / 3.1"

Installation depth - 25 mm / 1.0"

Recommended crossover frequencies for the highpass  

Slope / Minimum crossover frequency - Minimum crossover frequency

6 dB/Octave - 1,250 Hz

12 dB/Octave - > 750 Hz

24 dB/Octave - > 650 Hz