General Specifications
Nominal Diameter
300/12
mm/inch
Rated Impedance
8
ohm
Nominal Power handling
400
Watts
Program Power
800
Watts
Sensitivity(lw/lm)
99
dB
Frequency Range
58-3.5K
Hz
Minimum Impedance(Zmin)
5.3
ohm
Voice Coil Diameter
75
mm/inch
Voice Coil Material
Aluminium

Number of layers


Magnet gap depth

mm
Surround Shape
M-roll

Basket
Cast Aluminium

Magnet
Neodyminium

Mounting Information
Overall Diameter
313
mm
Bolt Circle Diameter
296
mm
Baffle Cutout Diameter
286
mm
Overall Depth
143
mm
Net Weight
4.1
kg
Shipping weight
4.8
kg
Shipping Box
320*320*150
mm
Thiele-Small Parameters
Resonance frequency
Fs
58.5
Hz
DC resistance
Re
5.3
ohm
Mechanical factor
Qms
8.22

Electrical factor
Qes
0.35

Total factor
Qts
0.34

Mechanical compliance
Cms
0.13
mm/N
Mechanical resistance
Rms
2.5
mech-ohm
of suspension losses

Effective Moving Mass
Mms
55
gr
Half-space efficiency
Eff
2.92
%
BL Factor
BL
17.5
T.m
Equivalent Cas air load
Vas
53.1
liters
Voice-coil inductance
LelK
0.6
mH