Celestion F12M-150

Guitar Speaker

12″ / 305 mm
Nominal diameter
69 Hz
Resonance
0.91
Q factor
95 dB
Sensitivity
300 W
Program Power
Driver
Port
Combined
Frequency response
Hz
Impedance
Ω
Impedance Phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical Phase
°
Group Delay
ms
Transient response
ms
Discard
Apply
Sensitivity (1W, 1m, infinite baffle)
SPL1W
95.2
dB
Frequency response
60 - 12000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
69.4
Hz
Mechanical quality factor
QMS
10.45
Electrical quality factor
QES
0.99
Total quality factor
QTS
0.91

Large signal parameters

Power handling
P
150
W
Program power
Pmax
300
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
6.1
Ω
Inductance (1kHz)
LE
0.13
mH
VC Diameter
51
mm
Winding material
Round copper

Magnet

Force factor
Bl
10.92
N/A
Motor constant
Bl/√RE
4.43
N/√W
Diameter
145
mm
Height
33
mm
Weight
0.9
kg
Material
Ceramic

Diaphragm

Effective diameter
260
mm
Effective area
SD
529
cm²
Moving mass
MMS
44.8
g
Moving mass (without air load)
MMD
36.9
g

Suspensions

Stiffness
KMS
8.48
N/mm
Compliance
CMS
118
µm/N
Equivalent volume to the compliance
VAS
46.9
L
Mechanical resistance
RMS
1.868
N·s/m

Dimensions

Nominal diameter
12
305
mm
Overall diameter
283
mm
Baffle cutout diameter
283
mm
Overall depth
127
mm
Volume occupied by the driver (estimated)
1.7
L
Net weight
3.6
kg
Frame material
Pressed steel
Celestion F12M-150 SPL

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