Dayton Audio RS225P-8A

Name: RS225P-8A
Brand: Dayton Audio

4Ω

8Ω

Woofer

8″ / 223 mm

Nominal diameter

32 Hz

Resonance

0.34

Q factor

88 dB

Sensitivity

± 7 mm

Linear excursion

120 W

Program Power

Available on (affiliate links)

Parts Express

Amazon.com

Specifications

Sensitivity (1w, 1m, infinite baffle)

SPL_1W

88.1

Frequency response

30 - 7000

Thiele & Small parameters

Resonance frequency (free air)

f_S

31.6

Mechanical quality factor

Q_MS

1.25

Electrical quality factor

Q_ES

0.46

Total quality factor

Q_TS

0.34

Large signal parameters

Maximum linear excursion

x_max

7.0

Air volume displaced at x_max

V_D

150

cm³

Power handling

Program power

P_max

120

Voice Coil

Nominal impedance

DC resistance

R_E

7.1

Inductance (1kHz)

L_E

1.02

VC Diameter

Magnet

Force factor

8.5

N/A

Motor constant

Bl/√R_E

3.19

N/√W

Material

Ferrite

Diaphragm

Effective diameter

165

Effective area

S_D

214

cm²

Moving mass

M_MS

23.6

Moving mass (without air load)

M_MD

21.2

Material

Paper / Kevlar

Suspensions

Stiffness

K_MS

0.94

N/mm

Compliance

C_MS

1070

µm/N

Equivalent volume to the compliance

V_AS

68.8

Mechanical resistance

R_MS

3.75

N·s/m

Surround material

Rubber

Dimensions

Nominal diameter

″

223

Overall diameter

223

Baffle cutout diameter

184

Overall depth

Volume occupied by the driver (estimated)

0.82

Frame material

Cast Aluminium

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