Scan-Speak 25W/8565-00
Woofer
10″ / 260 mm
Nominal diameter
20 Hz
Resonance
0.41
Q factor
88 dB
Sensitivity
± 6.5 mm
Linear excursion
200 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
87.7
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
20.0
Hz
Mechanical quality factor
QMS
5.40
Electrical quality factor
QES
0.44
Total quality factor
QTS
0.41
Large signal parameters
Maximum linear excursion
xmax
6.5
mm
Maximum excursion before damage
xlim
12.0
mm
Air volume displaced at xmax
VD
215
cm³
Power handling
P
100
W
Program power
Pmax
200
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.5
Ω
Inductance (1kHz)
LE
0.4
mH
VC Diameter
42
mm
Winding height
HVC
19
mm
Magnet
Force factor
Bl
8.2
N/A
Motor constant
Bl/√RE
3.5
N/√W
Air gap height
HAG
6
mm
Diaphragm
Effective diameter
205
mm
Effective area
SD
330
cm²
Moving mass
MMS
43
g
Moving mass (without air load)
MMD
38.6
g
Material
Air Dried Paper/Carbon Fibre
Suspensions
Stiffness
KMS
0.68
N/mm
Compliance
CMS
1470
µm/N
Equivalent volume to the compliance
VAS
225
L
Mechanical resistance
RMS
1.0
N·s/m
Surround material
SBR Rubber
Dimensions
Nominal diameter
10
″
260
mm
Volume occupied by the driver (estimated)
0.95
L
Net weight
2.3
kg
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SpeakerbenchSimilar woofers to Scan-Speak 25W/8565-00
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12″Woofer
fS
22 Hz
SD
500 cm²
22 - 2800 Hz
QTS
0.35
xmax
8.0 mm
SPL1W
89 dB
Bl/√RE
4.99
Pmax
500 W
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12″Subwoofer
fS
21 Hz
SD
507 cm²
25 - 1000 Hz
QTS
0.38
xmax
12.0 mm
SPL1W
88 dB
Bl/√RE
6.1
Pmax
300 W
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10″Woofer
fS
23 Hz
SD
346 cm²
23 - 3000 Hz
QTS
0.42
xmax
8.0 mm
SPL1W
86 dB
Bl/√RE
3.17
Pmax
300 W