MONACOR SP-90

Woofer

8″ / 205 mm
Nominal diameter
45 Hz
Resonance
0.57
Q factor
89 dB
Sensitivity
± 2 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
Discard
Apply
Sensitivity (1W, 1m, infinite baffle)
SPL1W
89.3
dB
Frequency response
45 - 8000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
45.0
Hz
Mechanical quality factor
QMS
3.36
Electrical quality factor
QES
0.68
Total quality factor
QTS
0.57

Large signal parameters

Maximum linear excursion
xmax
2.0
mm
Air volume displaced at xmax
VD
42
cm³
Power handling
P
35
W
Program power
Pmax
70
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
6.5
Ω
Inductance (1kHz)
LE
0.5
mH
VC Diameter
25
mm
Winding material
Aluminium

Magnet

Force factor
Bl
6.8
N/A
Motor constant
Bl/√RE
2.67
N/√W
Diameter
100
mm
Weight
0.38
kg

Diaphragm

Effective diameter
164
mm
Effective area
SD
210
cm²
Moving mass
MMS
17
g
Moving mass (without air load)
MMD
14.8
g

Suspensions

Stiffness
KMS
1.25
N/mm
Compliance
CMS
800
µm/N
Equivalent volume to the compliance
VAS
42
L
Mechanical resistance
RMS
1.43
N·s/m

Dimensions

Nominal diameter
8
205
mm
Overall diameter
205
mm
Baffle cutout diameter
185
mm
Overall depth
90
mm
Flange thickness
9
mm
Mounting depth
81
mm
Volume occupied by the driver (estimated)
0.54
L
Net weight
1.223
kg
MONACOR SP-90 SPL & Impedance
MONACOR SP-90 Dimensions

Export this driver to a simulation software:

WinISDWinISDBasta!Basta!HornrespHornrespQSpeakersQSpeakersSpeakerSimSpeakerSimMfbLabsMfbLabsSpeakerbenchSpeakerbench

Similar woofers to MONACOR SP-90

Tang Band W8-2145 Full-range
8Full-range
fS
40 Hz
SD
220 cm²
40 - 20000 Hz
QTS
0.45
xmax
3.0 mm
SPL1W
92 dB
Bl/√RE
2.53
Pmax
80 W
MONACOR SP-252E Mid-range
10Mid-range
fS
42 Hz
SD
353 cm²
42 - 6000 Hz
QTS
0.50
xmax
4.0 mm
SPL1W
90 dB
Bl/√RE
4.39
Pmax
150 W