12″ / 305 mm
Nominal diameter
36 Hz
Resonance
0.61
Q factor
86 dB
Sensitivity
± 8.3 mm
Linear excursion
500 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
86.4
dB
Frequency response
40 - 200
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
36.2
Hz
Mechanical quality factor
QMS
4.78
Electrical quality factor
QES
0.70
Total quality factor
QTS
0.61
Large signal parameters
Maximum linear excursion
xmax
8.3
mm
Air volume displaced at xmax
VD
424
cm³
Power handling
P
250
W
Program power
Pmax
500
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.8
Ω
Inductance (1kHz)
LE
1.61
mH
VC Diameter
39
mm
Magnet
Force factor
Bl
12.53
N/A
Motor constant
Bl/√RE
6.41
N/√W
Air gap height
HAG
8
mm
Diaphragm
Effective diameter
255
mm
Effective area
SD
511
cm²
Moving mass
MMS
150
g
Moving mass (without air load)
MMD
141.8
g
Suspensions
Stiffness
KMS
6.56
N/mm
Compliance
CMS
152
µm/N
Equivalent volume to the compliance
VAS
55.8
L
Mechanical resistance
RMS
7.14
N·s/m
Dimensions
Nominal diameter
12
″
305
mm
Volume occupied by the driver (estimated)
1.5
L
Net weight
3.56
kg
Similar subwoofers to Peerless SBS-300F38CP01-04
10″Woofer
fS
33 Hz
SD
337 cm²
35 - 600 Hz
QTS
0.66
xmax
8.5 mm
SPL1W
86 dB
Bl/√RE
4.34
Pmax
300 W
15″Subwoofer
fS
30 Hz
SD
774 cm²
QTS
0.63
xmax
19.0 mm
SPL1W
87 dB
Bl/√RE
9.12
Pmax
2400 W
15″Subwoofer
fS
31 Hz
SD
774 cm²
QTS
0.66
xmax
17.0 mm
SPL1W
87 dB
Bl/√RE
9.49
Pmax
1800 W