2″ / 51 mm
Nominal diameter
120 Hz
Resonance
0.31
Q factor
83 dB
Sensitivity
± 2 mm
Linear excursion
20 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
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Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
82.8
dB
Frequency response
120 - 15000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
120
Hz
Mechanical quality factor
QMS
1.59
Electrical quality factor
QES
0.39
Total quality factor
QTS
0.31
Large signal parameters
Maximum linear excursion
xmax
2.0
mm
Air volume displaced at xmax
VD
3.0
cm³
Power handling
P
10
W
Program power
Pmax
20
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.4
Ω
Inductance (1kHz)
LE
0.03
mH
VC Diameter
25
mm
Magnet
Force factor
Bl
3.71
N/A
Motor constant
Bl/√RE
2.01
N/√W
Air gap height
HAG
3
mm
Diaphragm
Effective diameter
44
mm
Effective area
SD
15
cm²
Moving mass
MMS
2
g
Moving mass (without air load)
MMD
2
g
Suspensions
Stiffness
KMS
1.25
N/mm
Compliance
CMS
801
µm/N
Equivalent volume to the compliance
VAS
0.26
L
Mechanical resistance
RMS
0.95
N·s/m
Surround material
Santoprene
Dimensions
Nominal diameter
2
″
51
mm
Net weight
0.13
kg
Similar speaker drivers to Tang Band W2-2136S
2″Full-range
fS
120 Hz
SD
15 cm²
120 - 12000 Hz
QTS
0.34
xmax
2.0 mm
SPL1W
82 dB
Bl/√RE
2.02
Pmax
20 W
1″Full-range
fS
120 Hz
SD
9.0 cm²
120 - 20000 Hz
QTS
0.33
xmax
1.3 mm
SPL1W
81 dB
Bl/√RE
1.4
Pmax
8 W
2″Woofer
fS
110 Hz
SD
13 cm²
110 - 10000 Hz
QTS
0.36
xmax
3.0 mm
SPL1W
80 dB
Bl/√RE
1.97
Pmax
30 W