15″ / 388 mm
Nominal diameter
20 Hz
Resonance
0.43
Q factor
87 dB
Sensitivity
± 14 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
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Parts Express
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Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
86.6
dB
Frequency response
18 - 800
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
19.5
Hz
Mechanical quality factor
QMS
3.02
Electrical quality factor
QES
0.50
Total quality factor
QTS
0.43
Large signal parameters
Maximum linear excursion
xmax
14.0
mm
Air volume displaced at xmax
VD
1161
cm³
Power handling
P
500
W
Program power
Pmax
1000
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.0
Ω
Inductance (1kHz)
LE
0.92
mH
VC Diameter
64
mm
Magnet
Force factor
Bl
15.0
N/A
Motor constant
Bl/√RE
8.66
N/√W
Weight
4.252
kg
Diaphragm
Effective diameter
325
mm
Effective area
SD
830
cm²
Moving mass
MMS
306
g
Moving mass (without air load)
MMD
289.1
g
Material
Black Anodized Aluminum
Suspensions
Stiffness
KMS
4.55
N/mm
Compliance
CMS
220
µm/N
Equivalent volume to the compliance
VAS
212
L
Mechanical resistance
RMS
12.41
N·s/m
Dimensions
Nominal diameter
15
″
388
mm
Overall diameter
388
mm
Baffle cutout diameter
356
mm
Overall depth
178
mm
Volume occupied by the driver (estimated)
4.3
L
Frame material
Cast Aluminium
Similar subwoofers to Dayton Audio RSS390HF-4
12″Subwoofer
fS
21 Hz
SD
507 cm²
25 - 1000 Hz
QTS
0.38
xmax
12.0 mm
SPL1W
88 dB
Bl/√RE
6.1
Pmax
300 W
15″Subwoofer
fS
23 Hz
SD
779 cm²
22 - 400 Hz
QTS
0.44
xmax
11.0 mm
SPL1W
88 dB
Bl/√RE
8.31
Pmax
850 W
12″Subwoofer
fS
22 Hz
SD
507 cm²
25 - 1000 Hz
QTS
0.35
xmax
11.7 mm
SPL1W
88 dB
Bl/√RE
6.75
Pmax
300 W