Celestion TF1020

Low frequency

10″ / 254 mm
Nominal diameter
69 Hz
Resonance
0.32
Q factor
95 dB
Sensitivity
± 4 mm
Linear excursion
300 W
Program Power
Celestion TF1020 Low frequencyCelestion TF1020 Low frequencyCelestion TF1020 Low frequency
Impedance
Excursion
Velocity
SPL
Phase
Group delay
Step response
Tone Burst
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
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Specifications

Sensitivity (1W, 1m, infinite baffle)
SPL1W
95.4
dB
Frequency response
60 - 5500
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
69.4
Hz
Mechanical quality factor
QMS
2.45
Electrical quality factor
QES
0.37
Total quality factor
QTS
0.32

Large signal parameters

Maximum linear excursion
xmax
4.0
mm
Air volume displaced at xmax
VD
139
cm³
Power handling
P
150
W
Program power
Pmax
300
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.5
Ω
Inductance (1kHz)
LE
0.6
mH
VC Diameter
50
mm
Winding height
HVC
12
mm
Winding material
Round copper
Former material
Polyimide

Magnet

Force factor
Bl
14.1
N/A
Motor constant
Bl/√RE
6.04
N/√W
Air gap height
HAG
8
mm
Weight
1.2
kg
Material
Ferrite

Diaphragm

Effective diameter
210
mm
Effective area
SD
346
cm²
Moving mass
MMS
31.1
g
Moving mass (without air load)
MMD
26.5
g
Material
Kevlar loaded paper

Suspensions

Stiffness
KMS
5.88
N/mm
Compliance
CMS
170
µm/N
Equivalent volume to the compliance
VAS
28.8
L
Mechanical resistance
RMS
5.52
N·s/m
Surround material
Cloth-sealed

Dimensions

Nominal diameter
10
″
254
mm
Overall diameter
256
mm
Baffle cutout diameter
229
mm
Overall depth
110
mm
Volume occupied by the driver (estimated)
1.4
L
Net weight
3.7
kg
Frame material
Pressed steel
SPL & Impedance
Celestion TF1020 SPL & Impedance
Celestion TF1020 Dimensions
DatasheetDatasheet

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