RCF L12L750
Mid Bass
12″ / 305 mm
Nominal diameter
62 Hz
Resonance
0.27
Q factor
97 dB
Sensitivity
± 4 mm
Linear excursion
700 W
Program Power
Discontinued
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
96.9
dB
Frequency response
60 - 2000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
62.0
Hz
Mechanical quality factor
QMS
4.10
Electrical quality factor
QES
0.29
Total quality factor
QTS
0.27
Large signal parameters
Maximum linear excursion
xmax
4.0
mm
Maximum excursion before damage
xlim
20.0
mm
Air volume displaced at xmax
VD
200
cm³
Power handling
P
350
W
Program power
Pmax
700
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.2
Ω
Inductance (1kHz)
LE
1.25
mH
VC Diameter
102
mm
Winding height
HVC
12
mm
Winding material
Aluminium
Magnet
Force factor
Bl
18.8
N/A
Motor constant
Bl/√RE
8.24
N/√W
Material
Ceramic
Diaphragm
Effective diameter
260
mm
Effective area
SD
500
cm²
Moving mass
MMS
50
g
Moving mass (without air load)
MMD
41.7
g
Suspensions
Stiffness
KMS
6.8
N/mm
Compliance
CMS
147
µm/N
Equivalent volume to the compliance
VAS
52
L
Mechanical resistance
RMS
4.75
N·s/m
Surround material
Polycotton
Dimensions
Nominal diameter
12
″
305
mm
Overall diameter
320
mm
Baffle cutout diameter
284
mm
Overall depth
138
mm
Flange thickness
10
mm
Mounting depth
128
mm
Volume occupied by the driver
2.9
L
Net weight
11.4
kg
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fS
50 Hz
SD
522 cm²
50 - 18000 Hz
QTS
0.22
xmax
8.0 mm
SPL1W
97 dB
Bl/√RE
9.35
Pmax
1000 W
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12″Subwoofer
fS
55 Hz
SD
531 cm²
50 - 4600 Hz
QTS
0.27
xmax
7.0 mm
SPL1W
97 dB
Bl/√RE
8.41
Pmax
1200 W