Description: 3 way vented-box system
Drive units: 1 x 180mm aluminium cone bass
1 x 180mm Kevlar cone bass/mid Silver coil
1 x 25mm metal dome HF Silver coil
Frequency range: -6dB at 30Hz - 26kHz
Frequency response: 40Hz - 20kHz +/-3dB on reference axis
Dispersion: Within 2dB of reference response 60 Arc horizontal, 10 Arc vertical
Sensitivity: 89dB for 2.83v at 1m
Harmonic distortion: 2nd and 3rd harmonic less than 1%, 30Hz - 20kHz, at 90dB 1m
Nominal impedance: 8ohm (above 6.5ohm 10Hz - 5kHz, min. 5ohm at 9kHz)
Crossover Frequencies: Mid - HF 3kHz, lower bass driver output rolled off above 150Hz
Recommanded amplifier power: 50W - 200W into 8ohm