5.5″ / 150 mm
Nominal diameter
38 Hz
Resonance
0.5
Q factor
84 dB
Sensitivity
± 6.5 mm
Linear excursion
70 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
84.1
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
38.0
Hz
Mechanical quality factor
QMS
5.80
Electrical quality factor
QES
0.55
Total quality factor
QTS
0.50
Large signal parameters
Maximum linear excursion
xmax
6.5
mm
Maximum excursion before damage
xlim
9.0
mm
Air volume displaced at xmax
VD
62
cm³
Power handling
P
60
W
Program power
Pmax
70
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.9
Ω
Inductance (1kHz)
LE
0.3
mH
VC Diameter
38
mm
Winding height
HVC
18
mm
Magnet
Force factor
Bl
5.8
N/A
Motor constant
Bl/√RE
2.39
N/√W
Air gap height
HAG
5
mm
Diaphragm
Effective diameter
110
mm
Effective area
SD
95
cm²
Moving mass
MMS
13
g
Moving mass (without air load)
MMD
12.3
g
Suspensions
Stiffness
KMS
0.75
N/mm
Compliance
CMS
1330
µm/N
Equivalent volume to the compliance
VAS
17
L
Mechanical resistance
RMS
0.54
N·s/m
Surround material
SBR Rubber
Dimensions
Nominal diameter
5.5
″
150
mm
Volume occupied by the driver (estimated)
0.48
L
Net weight
1.2
kg
Similar woofers to Scan-Speak 15W/8530K01
7″Woofer
fS
38 Hz
SD
125 cm²
39 - 3600 Hz
QTS
0.46
xmax
6.0 mm
SPL1W
85 dB
Bl/√RE
2.68
Pmax
120 W
6.5″Woofer
fS
37 Hz
SD
104 cm²
45 - 2000 Hz
QTS
0.45
xmax
6.0 mm
SPL1W
84 dB
Bl/√RE
2.49
Pmax
250 W
7″Woofer
fS
39 Hz
SD
133 cm²
35 - 10000 Hz
QTS
0.58
xmax
4.3 mm
SPL1W
83 dB
Bl/√RE
2.95
Pmax
100 W