Dayton Audio Reference RSS315HFA-8
Subwoofer
12″ / 314 mm
Nominal diameter
22 Hz
Resonance
0.45
Q factor
85 dB
Sensitivity
± 14.3 mm
Linear excursion
700 W
Program Power
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Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
84.6
dB
Frequency response
25 - 1500
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
22.2
Hz
Mechanical quality factor
QMS
2.50
Electrical quality factor
QES
0.54
Total quality factor
QTS
0.45
Large signal parameters
Maximum linear excursion
xmax
14.3
mm
Air volume displaced at xmax
VD
725
cm³
Power handling
P
400
W
Program power
Pmax
700
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.5
Ω
Inductance (1kHz)
LE
1.56
mH
VC Diameter
66
mm
Winding material
Copper
Former material
Aluminum
Magnet
Force factor
Bl
18.0
N/A
Motor constant
Bl/√RE
7.06
N/√W
Material
Ferrite
Diaphragm
Effective diameter
254
mm
Effective area
SD
507
cm²
Moving mass
MMS
194
g
Moving mass (without air load)
MMD
185.7
g
Material
Black Anodized Aluminum
Suspensions
Stiffness
KMS
3.7
N/mm
Compliance
CMS
270
µm/N
Equivalent volume to the compliance
VAS
97.2
L
Mechanical resistance
RMS
10.82
N·s/m
Surround material
Rubber
Dimensions
Nominal diameter
12
″
314
mm
Overall diameter
314
mm
Baffle cutout diameter
282
mm
Overall depth
146
mm
Volume occupied by the driver (estimated)
2.5
L
Frame material
Steel
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12″Subwoofer
fS
20 Hz
SD
500 cm²
20 - 400 Hz
QTS
0.45
xmax
13.3 mm
SPL1W
85 dB
Bl/√RE
6.76
Pmax
1000 W