Tang Band W4-2315

Coaxial

4.5″ / 114 mm
Nominal diameter
65 Hz
Resonance
0.29
Q factor
88 dB
Sensitivity
± 2.8 mm
Linear excursion
60 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
88.2
dB
Frequency response
65 - 40000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
65.0
Hz
Mechanical quality factor
QMS
3.68
Electrical quality factor
QES
0.31
Total quality factor
QTS
0.29

Large signal parameters

Maximum linear excursion
xmax
2.8
mm
Air volume displaced at xmax
VD
19
cm³
Power handling
P
30
W
Program power
Pmax
60
W

Voice Coil

Nominal impedance
Z
4
Ω
DC resistance
RE
3.6
Ω
Inductance (1kHz)
LE
0.09
mH
VC Diameter
32
mm

Magnet

Force factor
Bl
6.2
N/A
Motor constant
Bl/√RE
3.27
N/√W
Air gap height
HAG
12
mm
Material
Neodymium

Diaphragm

Effective diameter
94
mm
Effective area
SD
69
cm²
Moving mass
MMS
8.1
g
Moving mass (without air load)
MMD
7.7
g
Material
Paper

Suspensions

Stiffness
KMS
1.29
N/mm
Compliance
CMS
773
µm/N
Equivalent volume to the compliance
VAS
4.96
L
Mechanical resistance
RMS
0.9
N·s/m
Surround material
Rubber

Dimensions

Nominal diameter
4.5
114
mm
Volume occupied by the driver (estimated)
0.48
L
Net weight
1.196
kg
Tang Band W4-2315 SPL & Impedance
Tang Band W4-2315 Dimensions

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