1″ / 25 mm
Nominal diameter
180 Hz
Resonance
0.42
Q factor
81 dB
Sensitivity
± 2 mm
Linear excursion
8 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
81.2
dB
Frequency response
180 - 20000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
180
Hz
Mechanical quality factor
QMS
2.22
Electrical quality factor
QES
0.52
Total quality factor
QTS
0.42
Large signal parameters
Maximum linear excursion
xmax
2.0
mm
Air volume displaced at xmax
VD
1.7
cm³
Power handling
P
4
W
Program power
Pmax
8
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.0
Ω
Inductance (1kHz)
LE
0.03
mH
VC Diameter
25
mm
Magnet
Force factor
Bl
3.24
N/A
Motor constant
Bl/√RE
1.32
N/√W
Air gap height
HAG
1.5
mm
Diaphragm
Effective diameter
33
mm
Effective area
SD
8.5
cm²
Moving mass
MMS
0.9
g
Moving mass (without air load)
MMD
0.9
g
Suspensions
Stiffness
KMS
1.09
N/mm
Compliance
CMS
915
µm/N
Equivalent volume to the compliance
VAS
0.09
L
Mechanical resistance
RMS
0.44
N·s/m
Surround material
Santoprene
Dimensions
Nominal diameter
1
″
25
mm
Net weight
0.161
kg
Similar speaker drivers to Tang Band W1-1070SH
1.5″Full-range
fS
140 Hz
SD
9.1 cm²
200 - 20000 Hz
QTS
0.37
xmax
2.7 mm
SPL1W
80 dB
Bl/√RE
1.47
Pmax
4 W
1.5″Full-range
fS
170 Hz
SD
7.8 cm²
100 - 20000 Hz
QTS
0.45
xmax
2.7 mm
SPL1W
83 dB
Bl/√RE
1.18
Pmax
10 W
2″Full-range
fS
166 Hz
SD
15 cm²
160 - 20000 Hz
QTS
0.46
xmax
2.0 mm
SPL1W
82 dB
Bl/√RE
1.95
Pmax
30 W