8½” High Performance Steel Frame Subwoofer Unit. Suitable for dedicated subwoofer applications and as low frequency transducer in 2½-, 3- and multi-way speaker systems.
Specifications
20 cm bass driver with paper cone.
power handling (continuous/programme) = 150 W
frequency range = 30-500 Hz
resonance frequency fs = 35 Hz
impedance R = 8 Ohm
sound pressure level SPL = 86 dB (2,83V; 1m)
DC resistance Re = 6,3 Ohm
force factor BL = 11,4 N/A
voice coil inductance L = 1,7 mH
effective piston radiating area Sd = 206 cm2
effective mechanical mass incl. air load mms = 49 g
equivalent volume of compliance Vas = 26 l
total Q factor Qts = 0,5 (Qms=10,7, Qes=0,52)
voice coil diameter = 39 mm
maximum peak linear excursion vibration xlin = +/- 10 mm
