Dayton Audio E220CF-8

Name: E220CF-8
Brand: Dayton Audio

Woofer

8″ / 220 mm

Nominal diameter

27 Hz

Resonance

0.25

Q factor

90 dB

Sensitivity

± 5 mm

Linear excursion

300 W

Program Power

Available on (affiliate link)

Parts Express

$$$

Specifications

Sensitivity (1w, 1m, infinite baffle)

SPL_1W

89.9

Frequency response

25 - 4500

Thiele & Small parameters

Resonance frequency (free air)

f_S

26.9

Mechanical quality factor

Q_MS

7.14

Electrical quality factor

Q_ES

0.26

Total quality factor

Q_TS

0.25

Large signal parameters

Maximum linear excursion

x_max

5.0

Air volume displaced at x_max

V_D

108

cm³

Power handling

150

Program power

P_max

300

Voice Coil

Nominal impedance

DC resistance

R_E

6.1

Inductance (1kHz)

L_E

0.7

VC Diameter

Winding material

Copper

Former material

Titanium

Magnet

Force factor

10.0

N/A

Motor constant

Bl/√R_E

4.05

N/√W

Material

Neodymium

Diaphragm

Effective diameter

166

Effective area

S_D

216

cm²

Moving mass

M_MS

25.2

Moving mass (without air load)

M_MD

22.8

Material

Carbon Fiber

Suspensions

Stiffness

K_MS

0.72

N/mm

Compliance

C_MS

1390

µm/N

Equivalent volume to the compliance

V_AS

91.4

Mechanical resistance

R_MS

0.6

N·s/m

Surround material

Rubber

Dimensions

Nominal diameter

″

220

Overall diameter

220

Baffle cutout diameter

191

Overall depth

115

Volume occupied by the driver (estimated)

1.1

Frame material

Cast Aluminium

Datasheet

Export this driver to a simulation software:

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