DAYTON AUDIO DC130BS-4 Classic Speaker Driver Midbass Shielded 30W 4 Ohm 92dB 55Hz - 4000Hz Ø14cm

Dayton Classic woofers are designed for 3-way construction as low-midrange speakers, but can also be used as subwoofers.

Their versatility means they can be used in both closed and bass reflex applications.
With their impressive performance and smooth bass, they are popular in many DIY projects.

Features :

Power handling (RMS) 30 watts.
Maximum power 60 watts.
Impedance 4 ohms.
Sensitivity 91.6 dB @ 2.83V/1m.
Frequency response: 55 - 4,000 Hz.
Coil diameter 25 mm.
DC resistance (Re) 3.55 ohms.
Coil inductance (Le) 0.5 mH @ 1 kHz.
Resonance frequency: (Fs) 51.8 Hz.
Qms : 1.86.
Qes : 0.44.
Qts : 0.35.
Diaphragm mass (Mms) 8.8g.
Suspension mechanical compliance (Cms) 1.08 mm/N.
Cone surface area (Sd) 93.3 cm².
Volume displaced: (Vd) 14.0 cm³.
BL 4.8 Tm.
Vas: 13.2 liters.
Maximum linear excursion (Xmax) 2.5 mm.
Paper cone.
Rubber suspension.
Aluminium wire coil.
Aluminum coil support.
Ferrite magnet.
Shielded magnet.
Overall diameter: 145 mm.
Hole diameter: 120 mm
4 mounting holes.
Speaker weight: 910 gr.