Dayton Audio PN470-8

Name: PN470-8
Brand: Dayton Audio

Woofer

18″ / 465 mm

Nominal diameter

32 Hz

Resonance

0.34

Q factor

95 dB

Sensitivity

± 6.5 mm

Linear excursion

1600 W

Program Power

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Parts Express

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Specifications

Sensitivity (1w, 1m, infinite baffle)

SPL_1W

94.7

Frequency response

30 - 3000

Thiele & Small parameters

Resonance frequency (free air)

f_S

31.6

Mechanical quality factor

Q_MS

9.29

Electrical quality factor

Q_ES

0.35

Total quality factor

Q_TS

0.34

Large signal parameters

Maximum linear excursion

x_max

6.5

Air volume displaced at x_max

V_D

791

cm³

Power handling

800

Program power

P_max

1600

Voice Coil

Nominal impedance

DC resistance

R_E

5.6

Inductance (1kHz)

L_E

2.2

VC Diameter

102

Winding material

Copper

Former material

Glass Fiber

Magnet

Force factor

25.8

N/A

Motor constant

Bl/√R_E

10.9

N/√W

Material

Neodymium

Diaphragm

Effective diameter

394

Effective area

S_D

1217

cm²

Moving mass

M_MS

211.6

Moving mass (without air load)

M_MD

181.9

Material

Paper / Glass Fiber

Suspensions

Stiffness

K_MS

8.33

N/mm

Compliance

C_MS

120

µm/N

Equivalent volume to the compliance

V_AS

252

Mechanical resistance

R_MS

4.52

N·s/m

Surround material

Cloth

Dimensions

Nominal diameter

″

465

Overall diameter

465

Baffle cutout diameter

424

Overall depth

206

Volume occupied by the driver (estimated)

6.7

Frame material

Cast Aluminium

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