General Specifications

Nominal Diameter

380/15

mm/inch

Rated Impedance

8

ohm

Nominal Power handling1

400

Watts

Program Power2

800

Watts

Sensitivity(lw/lm)3

97

dB

Frequency Range4

33~4000

Hz

Minimum Impedance(Zmin)

6.8

ohm

Voice Coil Diameter

76/3

mm/inch

Voice Coil Material

Copper

Former Material

Fiberglass

Voice Coil Winding Depth

20

mm

Number of layers

2(Inside/Outside)

Magnet gap depth

10

mm

Basket

Cast Aluminum

Flux Density

1.1

T

Magnet Material

Ceramic

Thiele-Small parameters

Resonance frequency

Fs

33

Hz

DC resistance

Re

5.3

ohm

Mechanical factor

Qms

7.41

Electrical factor

Qes

0.26

Total factor

Qts

0.25

Mechanical compliance

Cms

0.23

mm/N

Mechanical resistance
of suspension losses

Rms

2.83

mech-ohm

Effective Moving Mass

Mms

97

gr

Half-space efficiency

Eff

3.33

%

BL Factor

BL

20.8

T.m

Equivalent Cas air load

Vas

241

liters

Effective piston area

Sd

0.0871

m2

Max.linear excursion5

Xmax

8

mm

Voice coilinductance

Le1K

1.6

mH

Efficiency Bandwidth Product

EBP

127

Mounting Information

Overall Diameter

389

mm

Bolt Circle Diameter

369.5

mm

Bolt Hole Diameter

6.5

mm

Baffle Cutout Diameter

349

mm

Overall Depth

168

mm

Net Weight

8

kg

Shipping Weight

9.7

kg

Shipping Box

420x420x200

mm