Throat diameter      25mm (1in)
Rated impedance      8 ohms
Minimum impedance      7.8ohms
Power capacity      60w AES (above 1kHz)
Program Power      120w (above 1kHz)
Sensitivity      108.5dB 1w @1m coupled
Frequency range      1-18kHz
Recom,crossover      1kHz or higher (12dB/oct.min)
Voice coil diameter      44mm (1.7in)
Magnetic assembly weight      2.1kg. 4.6lb
Flux density      1.85T