Dayton Audio Designer DS115-8
Woofer
4″ / 116 mm
Nominal diameter
55 Hz
Resonance
0.38
Q factor
84 dB
Sensitivity
± 4.1 mm
Linear excursion
70 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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Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
83.7
dB
Frequency response
60 - 8000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
55.2
Hz
Mechanical quality factor
QMS
2.10
Electrical quality factor
QES
0.46
Total quality factor
QTS
0.38
Large signal parameters
Maximum linear excursion
xmax
4.1
mm
Air volume displaced at xmax
VD
22
cm³
Power handling
P
35
W
Program power
Pmax
70
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.8
Ω
Inductance (1kHz)
LE
0.8
mH
VC Diameter
25
mm
Magnet
Force factor
Bl
5.88
N/A
Motor constant
Bl/√RE
2.44
N/√W
Weight
0.312
kg
Diaphragm
Effective diameter
83
mm
Effective area
SD
54
cm²
Moving mass
MMS
7.9
g
Moving mass (without air load)
MMD
7.6
g
Suspensions
Stiffness
KMS
0.95
N/mm
Compliance
CMS
1050
µm/N
Equivalent volume to the compliance
VAS
4.33
L
Mechanical resistance
RMS
1.3
N·s/m
Dimensions
Nominal diameter
4
″
116
mm
Overall diameter
116
mm
Baffle cutout diameter
94
mm
Overall depth
55
mm
Volume occupied by the driver (estimated)
0.18
L
Similar woofers to Dayton Audio DS115-8
4.5″
fS
58 Hz
SD
49 cm²
58 - 1200 Hz
QTS
0.39
xmax
4.0 mm
SPL1W
84 dB
Bl/√RE
2.63
Pmax
80 W
4.75″Mid Bass
fS
57 Hz
SD
48 cm²
56 - 4000 Hz
QTS
0.38
xmax
3.0 mm
SPL1W
84 dB
Bl/√RE
2.42
4.5″Woofer
fS
60 Hz
SD
50 cm²
60 - 3500 Hz
QTS
0.36
xmax
3.0 mm
SPL1W
85 dB
Bl/√RE
2.35
Pmax
200 W