12″ / 305 mm
Nominal diameter
62 Hz
Resonance
0.55
Q factor
95 dB
Sensitivity
± 5.07 mm
Linear excursion
334 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
Available on (affiliate link)
Parts Express
$$
Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
95.4
dB
Frequency response
50 - 2000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
62.0
Hz
Mechanical quality factor
QMS
8.67
Electrical quality factor
QES
0.59
Total quality factor
QTS
0.55
Large signal parameters
Maximum linear excursion
xmax
5.07
mm
Air volume displaced at xmax
VD
275
cm³
Power handling
P
167
W
Program power
Pmax
334
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.9
Ω
Inductance (1kHz)
LE
0.7
mH
VC Diameter
51
mm
Magnet
Force factor
Bl
13.3
N/A
Motor constant
Bl/√RE
5.48
N/√W
Air gap height
HAG
8
mm
Diaphragm
Effective diameter
263
mm
Effective area
SD
543
cm²
Moving mass
MMS
45.3
g
Moving mass (without air load)
MMD
36.6
g
Suspensions
Stiffness
KMS
6.67
N/mm
Compliance
CMS
150
µm/N
Equivalent volume to the compliance
VAS
61.1
L
Mechanical resistance
RMS
2.04
N·s/m
Dimensions
Nominal diameter
12
″
305
mm
Volume occupied by the driver (estimated)
2.1
L
Net weight
4.9
kg
Frame material
Pressed Steel
Similar woofers to Peerless FSL-1220R02-08
12″Coaxial
fS
58 Hz
SD
531 cm²
60 - 3500 Hz
QTS
0.45
xmax
4.5 mm
SPL1W
96 dB
Bl/√RE
5.5
Pmax
400 W
15″Low frequency
fS
54 Hz
SD
908 cm²
40 - 2000 Hz
QTS
0.50
xmax
5.5 mm
SPL1W
95 dB
Bl/√RE
9.34
Pmax
1600 W
12″Mid Bass
fS
55 Hz
SD
520 cm²
54 - 5000 Hz
QTS
0.43
xmax
2.4 mm
SPL1W
96 dB
Bl/√RE
5.38
Pmax
800 W