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This 1" compression driver features a lightweight mylar diaphragm that provides an excellent high frequency response with low harmonic distortion. Other key features of this model are its excellent sensitivity (108 dB) and its low weight, due to the use of a neodymium magnet.The coil-diaphragm assembly is easily field replaceable without soldering.
Throat diameter 25 mm 1 in
Nominal impedance 8 ohm
Minimum impedance 5.5 ohm @ 4.5 kHz
Re 5.6 ohm
Power capacity 40 W AES above 1.5 kHz
Program power 80 W above 1.5 kHz
Sensitivity 108 dB 1 W @ 1 m coupled to horn
Frequency range 800-20000 Hz
Recom. crossover frequency 1.5 kHz or higher (12dB/oct min slope)
Voice coil diameter 44.3 mm 1.75 in
Flux density 1.8 T
BL factor 8 N/A
Diaphragm material Polyester
External diameter 80 mm 3.15 in
Depth 57 mm 2.24 in
Mounting Three M4 threaded holes 120 deg. apart on
57 mm (2.24 in) diameter circle.