Celestion FTR12-2565D
Mid Bass
12″ / 305 mm
Nominal diameter
60 Hz
Resonance
0.42
Q factor
94 dB
Sensitivity
± 4 mm
Linear excursion
500 W
Program Power
Discontinued
.png)
.png)
Sensitivity (1w, 1m, infinite baffle)
SPL1W
94.4
dB
Frequency response
55 - 4000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
60.3
Hz
Mechanical quality factor
QMS
2.40
Electrical quality factor
QES
0.51
Total quality factor
QTS
0.42
Large signal parameters
Maximum linear excursion
xmax
4.0
mm
Air volume displaced at xmax
VD
212
cm³
Power handling
P
250
W
Program power
Pmax
500
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.6
Ω
Inductance (1kHz)
LE
1.02
mH
VC Diameter
64
mm
Winding height
HVC
16.5
mm
Winding material
Round copper
Former material
Glass fibre
Magnet
Force factor
Bl
15.45
N/A
Motor constant
Bl/√RE
6.51
N/√W
Air gap height
HAG
8
mm
Weight
1.5
kg
Material
Ferrite
Diaphragm
Effective diameter
260
mm
Effective area
SD
531
cm²
Moving mass
MMS
56.6
g
Moving mass (without air load)
MMD
47.7
g
Material
Kevlar loaded paper
Suspensions
Stiffness
KMS
8.33
N/mm
Compliance
CMS
120
µm/N
Equivalent volume to the compliance
VAS
49.1
L
Mechanical resistance
RMS
8.91
N·s/m
Surround material
Cloth-sealed
Dimensions
Nominal diameter
12
″
305
mm
Overall diameter
318
mm
Baffle cutout diameter
286
mm
Overall depth
134
mm
Volume occupied by the driver (estimated)
2.1
L
Net weight
4.5
kg
Frame material
Cast aluminium
.jpg)
Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar speaker drivers to Celestion FTR12-2565D
.png.webp)
12″Low frequency
fS
57 Hz
SD
531 cm²
50 - 4000 Hz
QTS
0.39
xmax
6.0 mm
SPL1W
95 dB
Bl/√RE
6.9
Pmax
700 W
.jpg.webp)
10″Bass Guitar Speaker
fS
55 Hz
SD
350 cm²
54 - 3000 Hz
QTS
0.39
xmax
3.0 mm
SPL1W
94 dB
Bl/√RE
5.05
Pmax
400 W
.jpg.webp)
12″Low frequency
fS
56 Hz
SD
531 cm²
60 - 2500 Hz
QTS
0.42
xmax
1.1 mm
SPL1W
94 dB
Bl/√RE
7.43
Pmax
1400 W