SCAN SPEAK 18W/8542-10 Classic 7" Midwoofer
Delivery time 10 days
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SCAN SPEAK 18W/8542-10 Classic 7" Midwoofer
Patented Symmetrical Drive Motor Design
Air Dried Paper/Nylon Fibre Cone
42mm Voice Coil
Low-Loss linear suspension
Low Damping Black Coated Foam Surround
Die-cast alu. chassis
Scan-Speak Classic 18W/8542-10 7" Midwoofer
The heritage, quality and success of Scan-Speak’s designs during decades live on in the Classic family, with such patented and proprietary technologies as; Symmetrical Drive, Low Loss Linear Suspension, air dried paper/carbon fiber cones and coated textile diaphragms.
Woofer Series: Classic
Woofer Type: Midwoofer
Nominal Diameter: 7" / 18 cm
Power Handling (RMS): 70 W
Power Handling (max): 130 W
Impedance (Z): 8 Ohms
Sensitivity (SPL at 1m / 2.83V): 88 dB
Voice Coil Diameter: 42 mm
DC Resistance (Re): 5.7 Ω
Voice Coil Inductance (Le): 0.2 mH
Resonant Frequency (Fs): 43 Hz
Mechanical Q (Qms): 1.70
Electromagnetic Q (Qes): 0.44
Total Q (Qts): 0.35
Diaphragm Mass Inc. Airload (Mms): 13.6g
Mechanical Compliance of Suspension (Cms): 1.0 mm/N
Surface Area of Cone (Sd): 135 cm²
BL Product (BL): 6.9 Tm
Compliance Equivalent Volume (Vas): 26 l
Maximum Linear Excursion (Xmax): 6.5 mm
Driver's Mechanical Losses (Rms): 2.1 kg/s
