Scan-Speak 25W/8565-00

Woofer

10″ / 250 mm
Nominal diameter
20 Hz
Resonance
0.41
Q factor
88 dB
Sensitivity
± 6.5 mm
Linear excursion
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
87.6
dB
Frequency response
20 - 2000
Hz

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, estimated)
LE
0.75
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
38.7
g
Material
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
250
mm
Volume occupied by the driver
0.75
L
Net weight
2.3
kg
Scan-Speak 25W/8565-00 SPL & Impedance
Scan-Speak 25W/8565-00 Dimensions

Export this driver to a simulation software:

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Similar woofers to Scan-Speak 25W/8565-00

Peerless NE315W-08 Subwoofer
12Subwoofer
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