Markaudio PLUVIA-7PHD Full-range Woofer

Woofer Type : Full-Range Woofer
Nominal Diameter : 4''
Power Handling (RMS) : 15 Watts
Impedance (Z) : 8 Ohms
Sensitivity : 87 dB 1W/m
Frequency Response : 60-30,000 Hz
DC Resistance (Re) : 3.5 Ohms
Voice Coil Inductance (Le) : 0.0274 mH
Resonant Frequency (Fs) : 77.79 Hz
Mechanical Q (Qms) : 2.7968
Electromagnetic Q (Qes) : 0.6623
Total Q (Qts) : 0.5355
Diaphragm Mass Inc. Airload (Mms) : 3.2888 g
Mechanical Compliance of Suspension (Cms) : 1.2728 mm/N
Surface Area of Cone (Sd) : 50 cm²
BL Product (BL) : 2.9146
Compliance Equivalent Volume (Vas) : 4.4905
Maximum Linear Excursion (Xmax) : 4 mm (mechanical)
Cone / Diaphragm Material : Uncoated paper
Surround Material : Rubber
Basket / Frame Material : Cast aluminum
Magnet Material : Ferrite
Overall Outside Diameter : 122 mm
Baffle Cutout Diameter : 100 mm
Bolt Circle Diameter : 112 mm
# Mounting Holes : 5
Mounting Hole Diameter : 3.1 mm