MONACOR SPH-380TC

Subwoofer

15″ / 402 mm
Nominal diameter
22 Hz
Resonance
0.28
Q factor
91 dB
Sensitivity
± 11.1 mm
Linear excursion
800 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
90.8
dB
Frequency response
21 - 800
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
21.5
Hz
Mechanical quality factor
QMS
2.81
Electrical quality factor
QES
0.31
Total quality factor
QTS
0.28

Large signal parameters

Maximum linear excursion
xmax
11.1
mm
Air volume displaced at xmax
VD
938
cm³
Power handling
P
500
W
Program power
Pmax
800
W

Voice Coil

Nominal impedance
Z
2 x 4
Ω
DC resistance (in series)
RE
7.2
Ω
Inductance (1kHz, in series)
LE
4.4
mH
VC Diameter
76
mm
Winding material
Aluminium

Magnet

Force factor (in series)
Bl
25.0
N/A
Motor constant
Bl/√RE
9.32
N/√W
Diameter
180
mm
Weight
3.7
kg

Diaphragm

Effective diameter
328
mm
Effective area
SD
845
cm²
Moving mass
MMS
199.5
g
Moving mass (without air load)
MMD
181.8
g

Suspensions

Stiffness
KMS
3.57
N/mm
Compliance
CMS
280
µm/N
Equivalent volume to the compliance
VAS
275
L
Mechanical resistance
RMS
9.59
N·s/m

Dimensions

Nominal diameter
15
402
mm
Overall diameter
402
mm
Baffle cutout diameter
356
mm
Overall depth
180
mm
Flange thickness
15
mm
Mounting depth
165
mm
Volume occupied by the driver (estimated)
5.2
L
Net weight
10.62
kg
MONACOR SPH-380TC SPL & Impedance
MONACOR SPH-380TC Dimensions

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SD
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SD
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