Celestion TF1830
Low frequency
18″ / 457 mm
Nominal diameter
36 Hz
Resonance
0.39
Q factor
94 dB
Sensitivity
± 4.5 mm
Linear excursion
1000 W
Program Power
.png)
.png)
Sensitivity (1w, 1m, infinite baffle)
SPL1W
94.4
dB
Frequency response
35 - 1000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
35.7
Hz
Mechanical quality factor
QMS
4.21
Electrical quality factor
QES
0.43
Total quality factor
QTS
0.39
Large signal parameters
Maximum linear excursion
xmax
4.5
mm
Air volume displaced at xmax
VD
510
cm³
Power handling
P
500
W
Program power
Pmax
1000
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
2.6
Ω
Inductance (1kHz)
LE
1.28
mH
VC Diameter
75
mm
Winding height
HVC
17
mm
Winding material
Round copper
Former material
Glass Fibre
Magnet
Force factor
Bl
15.46
N/A
Motor constant
Bl/√RE
9.62
N/√W
Air gap height
HAG
8
mm
Weight
1.8
kg
Material
Ferrite
Diaphragm
Effective diameter
380
mm
Effective area
SD
1134
cm²
Moving mass
MMS
179.1
g
Moving mass (without air load)
MMD
151.8
g
Material
Glass loaded paper (weather-resistant)
Suspensions
Stiffness
KMS
9.09
N/mm
Compliance
CMS
110
µm/N
Equivalent volume to the compliance
VAS
202
L
Mechanical resistance
RMS
9.53
N·s/m
Surround material
Cloth-sealed
Dimensions
Nominal diameter
18
″
457
mm
Overall diameter
460
mm
Baffle cutout diameter
421
mm
Overall depth
209
mm
Volume occupied by the driver (estimated)
5.0
L
Net weight
7.5
kg
Frame material
Pressed steel
.jpg)
Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar speaker drivers to Celestion TF1830
.jpg.webp)
18″Subwoofer
fS
35 Hz
SD
1340 cm²
35 - 1300 Hz
QTS
0.40
xmax
13.3 mm
SPL1W
95 dB
Bl/√RE
12
Pmax
3600 W
.jpg.webp)
18″Subwoofer
fS
35 Hz
SD
1212 cm²
35 - 1600 Hz
QTS
0.41
xmax
12.5 mm
SPL1W
94 dB
Bl/√RE
11
Pmax
2400 W
.png.webp)
18″Subwoofer
fS
35 Hz
SD
1210 cm²
35 - 1000 Hz
QTS
0.39
xmax
12.0 mm
SPL1W
94 dB
Bl/√RE
12
Pmax
3000 W