Throat diameter      36mm (1.4in)
Rated impedance      8 ohms
Minimum impedance      7.3 ohms
Power capacity      90w AES (above 1kHz)
Program Power      180w (above 1kHz)
Sensitivity      110dB 1w @1m coupled
Frequency range      0.6-20kHz
Recom,crossover      0.8kHz or higher (12dB/oct.min)
Voice coil diameter      72.2mm (2.84in)
Magnetic assembly weight      6.5kg. 14.33lb
Flux density      1.875T