Throat diameter      36mm (1.4in)
Rated impedance     8 ohms
Minimum impedance     6.9 ohms
Power capacity      70w AES (above 1kHz)
Program Power      140w (above 1kHz)
Sensitivity      107dB 1w @1m coupled
Frequency range      0.7-18kHz
Recom,crossover     0.8kHz or higher (12dB/oct.min)
Voice coil diameter     72.2mm (2.84in)
Magnetic assembly weight     4.1kg. 9.02lb
Flux density     1.55T