20 cm (8") woofer with very good price/performance ratio. Suitable for simple 2-way speakers and car rear tray systems. Especially suited as replacement driver for many HiFi speakers.
Specifications
power handling (continuous/programme) = 50/80 W
frequency range = -8000 Hz
resonance frequency fs = 49 Hz
impedance R = 4 Ohm
sound pressure level SPL = 91 dB (2,83V; 1m)
DC resistance Re = 3,2 Ohm
force factor BL = 4,0 N/A
voice coil inductance L = 0,5 mH
effective piston radiating area Sd = 207 cm2
effective mechanical mass incl. air load mms = 14 g
equivalent volume of compliance Vas = 45 l
total Q factor Qts = 0,51 (Qms=2,81, Qes=0,62)
voice coil diameter = 25 mm
maximum peak linear excursion vibration xlin = +/- 10 mm
