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SCAN SPEAK 18W/8545-01 Classic - Mid-range Woofer
The Symmetric Drive (SD-1) concept with copper in the magnet system was invented by Scan-Speak. High-quality magnet system design has thus been a key feature of Scan-Speak design since the companys inception.
Patented Symmetrical Drive Motor Design
Low-Loss linear suspension
Air Dried Paper/Carbon Fibre Cone
Low Damping SBR Rubber Surround
42mm Voice Coil w. fiber glass foil
Scan-Speak 18W/8545K00 Woofer
The Symmetric Drive (SD-1) concept with copper in the magnet system was invented by Scan-Speak. High-quality magnet system design has thus been a key feature of Scan-Speak design since the companys inception. The Classic woofers are highly praised, and are used in some of the worlds most exceptional high-end Loudspeakers. Some feature Kevlar cones others have the innovative Carbon fibre paper cones.
Woofer Series: Classic
Woofer Type: Mid-range woofer
Nominal Diameter: 7"
Power Handling (RMS): 100 Watts
Power Handling (max): 170 Watts
Impedance (Z): 8 Ω
Sensitivity (SPL at 1m / 2.83V): 87.5 dB
Voice Coil Diameter: 42 mm
DC Resistance (Re): 5.5 Ω
Voice Coil Inductance (Le): 0.4mH
Resonant Frequency (Fs): 28 Hz
Mechanical Q (Qms): 5.20
Electromagnetic Q (Qes): 0.30
Total Q (Qts): 0.28
Diaphragm Mass Inc. Airload (Mms): 20.5 g
Mechanical Compliance of Suspension (Cms): 1.58 mm/N
Surface Area of Cone (Sd): 145 cm2
BL Product (BL): 8.2 Tm
Compliance Equivalent Volume (Vas): 46.4 L
Maximum Linear Excursion (Xmax): 3.25 mm
Overall Outside Diameter: 136 mm
