12″ / 305 mm
Nominal diameter
44 Hz
Resonance
0.13
Q factor
98 dB
Sensitivity
± 3 mm
Linear excursion
1000 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
Sensitivity (1w, 1m, infinite baffle)
SPL1W
98.4
dB
Frequency response
60 - 2000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
44.0
Hz
Mechanical quality factor
QMS
4.30
Electrical quality factor
QES
0.14
Total quality factor
QTS
0.13
Large signal parameters
Maximum linear excursion
xmax
3.0
mm
Maximum excursion before damage
xlim
24.0
mm
Air volume displaced at xmax
VD
150
cm³
Power handling
P
500
W
Program power
Pmax
1000
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.6
Ω
Inductance (1kHz)
LE
1.0
mH
VC Diameter
102
mm
Winding height
HVC
11
mm
Magnet
Force factor
Bl
25.0
N/A
Motor constant
Bl/√RE
10.6
N/√W
Diaphragm
Effective diameter
260
mm
Effective area
SD
500
cm²
Moving mass
MMS
55
g
Moving mass (without air load)
MMD
46.9
g
Suspensions
Stiffness
KMS
3.62
N/mm
Compliance
CMS
276
µm/N
Equivalent volume to the compliance
VAS
98
L
Mechanical resistance
RMS
3.54
N·s/m
Surround material
Polycotton
Dimensions
Nominal diameter
12
″
305
mm
Overall diameter
312
mm
Baffle cutout diameter
283
mm
Overall depth
115
mm
Flange thickness
9
mm
Mounting depth
106
mm
Volume occupied by the driver
2.8
L
Net weight
10.45
kg
Similar woofers to RCF L12P110K
12″Mid Bass
fS
41 Hz
SD
515 cm²
50 - 3000 Hz
QTS
0.13
xmax
7.0 mm
SPL1W
97 dB
Bl/√RE
12
Pmax
1200 W
12″Mid-range
fS
46 Hz
SD
531 cm²
80 - 5500 Hz
QTS
0.14
xmax
3.5 mm
SPL1W
99 dB
Bl/√RE
9.88
Pmax
700 W
12″Woofer
fS
43 Hz
SD
522 cm²
40 - 2000 Hz
QTS
0.15
xmax
8.0 mm
SPL1W
96 dB
Bl/√RE
12
Pmax
1000 W