Technical specifications

Nominal diameter 165 mm. 6.5 in.

Rated impedance 8 ohms.

Minimum impedance 6.6 ohms.

Power capacity* 250 w AES

Program power 500 w

Sensitivity 97 dB 2.83v 1m 2¹

Frequency range 150 - 6000 Hz

Voice coil diameter 51.7 mm. 2 in.

Magnetic assembly weight 2 kg. 4.4 lb.

BL factor 11.6 N / A

Moving mass 0.014 kg.

Voice coil length 8 mm.

Air gap height 8 mm.

Thiele-Small parameters**

Resonant frequency, fs 100 Hz

D.C. Voice coil resistance, Re 6 ohms.

Mechanical Quality Factor, Qms 1.9

Electrical Quality Factor, Qes 0.4

Total Quality Factor, Qts 0.33

Equivalent Air Volume to Cms, Vas 5 l

Mechanical Compliance, Cms 183 ìm / N

Mechanical Resistance, Rms 4.6 kg / s

Efficiency, ho (%) 1.4

Effective Surface Area, Sd 0.0140 m2

Maximum Displacement, Xmax 1 mm.

Displacement Volume, Vd 14 cm3

Voice Coil Inductance, Le 1 kHz 0.2 mH