20 cm (8") HiFi woofer with strong drive, extended rear pole plate and 35 mm voice-coil for high power handling. Elastic rubber surround and coated paper cone.
Specifications
power handling (continuous/programme) = 75/115 W
frequency range = -6000 Hz
resonance frequency fs = 29 Hz
impedance R = 4 Ohm
sound pressure level SPL = 91 dB (2,83V; 1m)
DC resistance Re = 3,4 Ohm
force factor BL = 7,7 N/A
voice coil inductance L = 1,5 mH
effective piston radiating area Sd = 214 cm2
effective mechanical mass incl. air load mms = 28 g
equivalent volume of compliance Vas = 65 l
total Q factor Qts = 0,35 (Qms=3,99, Qes=0,38)
voice coil diameter = 35 mm
maximum peak linear excursion vibration xlin = +/- 10 mm
