Wavecor SW178WA01

7″ / 178 mm
Nominal diameter
36 Hz
Resonance
0.35
Q factor
85 dB
Sensitivity
200 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
84.5
dB
Frequency response
36 - 600
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
36.0
Hz
Mechanical quality factor
QMS
18.40
Electrical quality factor
QES
0.35
Total quality factor
QTS
0.35

Large signal parameters

Power handling
P
100
W
Program power
Pmax
200
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
6.4
Ω
Inductance (1kHz)
LE
2.2
mH
VC Diameter
39
mm
Winding height
HVC
16
mm

Magnet

Force factor
Bl
12.0
N/A
Motor constant
Bl/√RE
4.74
N/√W
Air gap height
HAG
6
mm
Weight
0.68
kg

Diaphragm

Effective diameter
129
mm
Effective area
SD
131
cm²
Moving mass
MMS
35
g
Moving mass (without air load)
MMD
33.8
g

Suspensions

Stiffness
KMS
1.79
N/mm
Compliance
CMS
560
µm/N
Equivalent volume to the compliance
VAS
13.6
L
Mechanical resistance
RMS
0.43
N·s/m

Dimensions

Nominal diameter
7
178
mm
Volume occupied by the driver (estimated)
0.74
L
Net weight
1.81
kg
Wavecor SW178WA01 SPL & Impedance
Wavecor SW178WA01 Dimensions

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