USADO. En su caja Original. Made in USA

Specifications

Sensitivity (1W, 1m, infinite baffle)

SPL1W

93.4

dB

Frequency response

51 - 4300

Hz

Thiele & Small parameters

Resonance frequency (free air)

fS

49.0

Hz

Mechanical quality factor

QMS

6.53

Electrical quality factor

QES

0.88

Total quality factor

QTS

0.77

Large signal parameters

Maximum linear excursion

xmax

2.4

mm

Maximum excursion before damage

xlim

6.6

mm

Air volume displaced at xmax

VD

125

cm³

Power handling

P

150

W

Program power

Pmax

300

W

Voice Coil

Nominal impedance

Z

8

Ω

DC resistance

RE

6.3

Ω

Inductance (1kHz)

LE

0.79

mH

VC Diameter

38

mm

Winding material

Copper

Former material

Polyimide

Magnet

Force factor

Bl

8.5

N/A

Motor constant

Bl/√RE

3.39

N/√W

Air gap height

HAG

6.4

mm

Weight

0.567

kg

Material

Ferrite

Diaphragm

Effective diameter

257

mm

Effective area

SD

520

cm²

Moving mass

MMS

33

g

Moving mass (without air load)

MMD

24.5

g

Material

Paper

Suspensions

Stiffness

KMS

3.13

N/mm

Compliance

CMS

320

µm/N

Equivalent volume to the compliance

VAS

122

L

Mechanical resistance

RMS

1.56

N·s/m

Surround material

Cloth

Dimensions

Nominal diameter

12

″

305

mm

Overall diameter

311

mm

Baffle cutout diameter

281

mm

Overall depth

120

mm

Volume occupied by the driver

1.78

L

Net weight

2.4

kg

Frame material

Pressed steel