8″ / 220 mm
Nominal diameter
30 Hz
Resonance
0.35
Q factor
95 dB
Sensitivity
± 3 mm
Linear excursion
110 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
Sensitivity (1w, 1m, infinite baffle)
SPL1W
94.5
dB
Frequency response
30 - 20000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
30.0
Hz
Mechanical quality factor
QMS
4.36
Electrical quality factor
QES
0.38
Total quality factor
QTS
0.35
Large signal parameters
Maximum linear excursion
xmax
3.0
mm
Maximum excursion before damage
xlim
7.0
mm
Air volume displaced at xmax
VD
67
cm³
Power handling
P
40
W
Program power
Pmax
110
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.7
Ω
Inductance (1kHz)
LE
0.09
mH
VC Diameter
26
mm
Winding height
HVC
12
mm
Magnet
Flux density
B
1.1
T
Force factor
Bl
6.4
N/A
Motor constant
Bl/√RE
2.68
N/√W
Air gap height
HAG
6
mm
Weight
0.6
kg
Diaphragm
Effective diameter
168
mm
Effective area
SD
222
cm²
Moving mass
MMS
12.6
g
Moving mass (without air load)
MMD
10.1
g
Suspensions
Stiffness
KMS
0.46
N/mm
Compliance
CMS
2200
µm/N
Equivalent volume to the compliance
VAS
134
L
Mechanical resistance
RMS
0.63
N·s/m
Dimensions
Nominal diameter
8
″
220
mm
Volume occupied by the driver (estimated)
0.84
L
Net weight
2.05
kg
Similar woofers to SEAS H1597-08 FA22RCZ
10″Woofer
fS
33 Hz
SD
346 cm²
33 - 4000 Hz
QTS
0.33
xmax
3.5 mm
SPL1W
92 dB
Bl/√RE
4.24
Pmax
200 W
8″Full-range
fS
31 Hz
SD
222 cm²
30 - 20000 Hz
QTS
0.39
xmax
2.1 mm
SPL1W
96 dB
Bl/√RE
2.42
Pmax
100 W
10″Subwoofer
fS
29 Hz
SD
380 cm²
30 - 5000 Hz
QTS
0.39
xmax
6.5 mm
SPL1W
90 dB
Bl/√RE
4.28
Pmax
200 W