The Scan-Speak 18W/8545-01 6.5" Mid Woofer is an improved version of the highly praised 18W/8545-00 midwoofer, where a new aluminum chassis, an updated cone and a new spider as wells as a few other details are introduced, these updates improves mechanical stability and sound performance. High-quality magnet system design with patented Symmetric Drive (SD-1) continues to be key feature.
Patented Symmetrical Drive Motor Design
42mm Voice Coil w. Alu foil
Low Damping SBR Rubber Surround
Coated Air Dried Paper/Carbon Fibre Cone
Low-Loss linear suspension
Aluminium Chassis
Specifications
power handling (continuous/programme) = 100 W
frequency range = 25-3000 Hz
resonance frequency fs = 25 Hz
impedance R = 8 Ohm
sound pressure level SPL = 88 dB (2,83V; 1m)
DC resistance Re = 6,2 Ohm
force factor BL = 8,4 N/A
voice coil inductance L = 0,39 mH
effective piston radiating area Sd = 145 cm2
effective mechanical mass incl. air load mms = 18 g
equivalent volume of compliance Vas = 68,6 l
total Q factor Qts = 0,19 (Qms=1,55, Qes=0,22)
voice coil diameter = 42 mm
maximum peak linear excursion vibration xlin = +/- 6,5 mm
