Celestion K12H-200TC
Full-range
12″ / 305 mm
Nominal diameter
62 Hz
Resonance
0.37
Q factor
97 dB
Sensitivity
± 4 mm
Linear excursion
400 W
Program Power
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Available on (affiliate link)
Parts Express
$$$
Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
97.3
dB
Frequency response
50 - 10000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
62.3
Hz
Mechanical quality factor
QMS
2.80
Electrical quality factor
QES
0.43
Total quality factor
QTS
0.37
Large signal parameters
Maximum linear excursion
xmax
4.0
mm
Air volume displaced at xmax
VD
212
cm³
Power handling
P
200
W
Program power
Pmax
400
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.8
Ω
Inductance (1kHz)
LE
0.63
mH
VC Diameter
50
mm
Winding height
HVC
12
mm
Winding material
Round copper
Former material
Polyimide
Magnet
Force factor
Bl
14.63
N/A
Motor constant
Bl/√RE
6.07
N/√W
Air gap height
HAG
8
mm
Weight
1.41
kg
Material
Ferrite
Diaphragm
Effective diameter
260
mm
Effective area
SD
531
cm²
Moving mass
MMS
40.6
g
Moving mass (without air load)
MMD
32
g
Material
Kevlar loaded paper
Suspensions
Stiffness
KMS
6.84
N/mm
Compliance
CMS
146
µm/N
Equivalent volume to the compliance
VAS
64.1
L
Mechanical resistance
RMS
5.67
N·s/m
Surround material
Cloth-sealed
Dimensions
Nominal diameter
12
″
305
mm
Overall diameter
309
mm
Baffle cutout diameter
283
mm
Overall depth
130
mm
Volume occupied by the driver (estimated)
1.9
L
Net weight
3.9
kg
Frame material
Pressed steel
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12″Woofer
fS
63 Hz
SD
547 cm²
50 - 4000 Hz
QTS
0.44
xmax
5.3 mm
SPL1W
96 dB
Bl/√RE
6.35
Pmax
466 W