RCF MB12N405
Woofer
12″ / 305 mm
Nominal diameter
52 Hz
Resonance
0.2
Q factor
96 dB
Sensitivity
± 7 mm
Linear excursion
2000 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
96.0
dB
Frequency response
50 - 2000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
52.0
Hz
Mechanical quality factor
QMS
6.00
Electrical quality factor
QES
0.21
Total quality factor
QTS
0.20
Large signal parameters
Maximum linear excursion
xmax
7.0
mm
Maximum excursion before damage
xlim
26.5
mm
Air volume displaced at xmax
VD
350
cm³
Power handling
P
1000
W
Program power
Pmax
2000
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.0
Ω
Inductance (1kHz)
LE
1.2
mH
VC Diameter
102
mm
Winding height
HVC
20
mm
Winding material
Aluminium
Former material
Glass Fiber
Magnet
Force factor
Bl
23.5
N/A
Motor constant
Bl/√RE
10.5
N/√W
Air gap height
HAG
12
mm
Diaphragm
Effective diameter
260
mm
Effective area
SD
500
cm²
Moving mass
MMS
73
g
Moving mass (without air load)
MMD
64.7
g
Suspensions
Stiffness
KMS
7.58
N/mm
Compliance
CMS
132
µm/N
Equivalent volume to the compliance
VAS
53
L
Mechanical resistance
RMS
3.98
N·s/m
Dimensions
Nominal diameter
12
″
305
mm
Overall diameter
320
mm
Baffle cutout diameter
284
mm
Overall depth
133
mm
Volume occupied by the driver
2.9
L
Net weight
7.7
kg
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Export this driver to a simulation software:
WinISD
Basta!
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QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar woofers to RCF MB12N405
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12″Woofer
fS
40 Hz
SD
522 cm²
40 - 2000 Hz
QTS
0.16
xmax
8.0 mm
SPL1W
96 dB
Bl/√RE
11
Pmax
1000 W
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10″Woofer
fS
54 Hz
SD
333 cm²
60 - 4200 Hz
QTS
0.22
xmax
5.8 mm
SPL1W
96 dB
Bl/√RE
7.06
Pmax
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10″Mid Bass
fS
46 Hz
SD
345 cm²
102 - 2000 Hz
QTS
0.20
xmax
3.2 mm
SPL1W
95 dB
Bl/√RE
7.37
Pmax
1000 W