Tangband W4-1320SIF, another Tang Band first, Bamboo fiber cones! A blend of paper and Bamboo fibers provides a perfect combination of light weight and self-damping. A neodymium motor with a copper ring reduces distortion even further. The result of these features is a smooth frequency response with a very natural, open sound.
Specifications:
power handling (continuous/programme) = 25/50 W
frequency range = 75-20000 Hz
resonance frequency fs = 75 Hz
impedance R = 8 Ohm
sound pressure level SPL = 88 dB (2,83V; 1m)
DC resistance Re = 6,3 Ohm
force factor BL = 4,8 N/A
voice coil inductance L = 0,024 mH
effective piston radiating area Sd = 57 cm2
effective mechanical mass incl. air load mms = 3,99 g
equivalent volume of compliance Vas = 6,9 l
total Q factor Qts = 0,37 (Qms=2,2, Qes=0,45)
voice coil diameter = 25,4 mm
maximum peak linear excursion vibration xlin = +/- 3 mm
