Tang Band W1-2121S

Full-range

1″ / 25 mm
Nominal diameter
120 Hz
Resonance
0.35
Q factor
78 dB
Sensitivity
± 2.3 mm
Linear excursion
12 W
Program Power
Ω°0102030405060101001 00010 000-180-120-60060120180Electrical ImpedanceElectrical Phase
mm05101520101001 00010 000Diaphragm ExcursionMaximum Linear Excursion
m/s0246810101001 00010 000Diaphragm Velocity
dB60708090100110120101001 00010 000SPL (1W, 1m, on axis)Maximum SPL
°-180-120-60060120180101001 00010 000Acoustical phase (1m, on axis)
ms051015202530101001 00010 000Group Delay (1m, on axis)
00.51-205101520Step response
-1-0.500.51-2010203040Response to a tone burst of Hz with cycles
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

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Parts Express
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Specifications

Sensitivity (1W, 1m, infinite baffle)
SPL1W
78.2
dB
Frequency response
120 - 15000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
120
Hz
Mechanical quality factor
QMS
1.33
Electrical quality factor
QES
0.47
Total quality factor
QTS
0.35

Large signal parameters

Maximum linear excursion
xmax
2.3
mm
Air volume displaced at xmax
VD
2.1
cm³
Power handling
P
6
W
Program power
Pmax
12
W

Voice Coil

Nominal impedance
Z
4
Ω
DC resistance
RE
3.5
Ω
Inductance (1kHz)
LE
0.07
mH
VC Diameter
28
mm

Magnet

Force factor
Bl
3.14
N/A
Motor constant
Bl/√RE
1.68
N/√W
Air gap height
HAG
2.3
mm
Material
Neodymium

Diaphragm

Effective diameter
34
mm
Effective area
SD
9.0
cm²
Moving mass
MMS
1.7
g
Moving mass (without air load)
MMD
1.7
g
Material
Aluminium

Suspensions

Stiffness
KMS
1.05
N/mm
Compliance
CMS
949
µm/N
Equivalent volume to the compliance
VAS
0.11
L
Mechanical resistance
RMS
0.95
N·s/m
Surround material
Santoprene

Dimensions

Nominal diameter
1
25
mm
Net weight
0.08
kg
Tang Band W1-2121S SPL & Impedance
Tang Band W1-2121S Dimensions

Similar speaker drivers to Tang Band W1-2121S

Tang Band W2-1767S Woofer
2Woofer
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