Dayton Audio DA115-8

Woofer

4″ / 116 mm
Nominal diameter
60 Hz
Resonance
0.41
Q factor
84 dB
Sensitivity
± 2.5 mm
Linear excursion
40 W
Program Power
Dayton Audio DA115-8 WooferDayton Audio DA115-8 WooferDayton Audio DA115-8 Woofer
Impedance
Excursion
Velocity
SPL
Phase
Group delay
Step response
Tone Burst
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
84.4
dB
Frequency response
60 - 15000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
60.0
Hz
Mechanical quality factor
QMS
2.60
Electrical quality factor
QES
0.49
Total quality factor
QTS
0.41

Large signal parameters

Maximum linear excursion
xmax
2.5
mm
Air volume displaced at xmax
VD
13
cm³
Power handling
P
20
W
Program power
Pmax
40
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
6.4
Ω
Inductance (1kHz)
LE
0.7
mH
VC Diameter
25
mm
Winding material
Copper
Former material
Aluminum

Magnet

Force factor
Bl
5.7
N/A
Motor constant
Bl/√RE
2.25
N/√W
Material
Ferrite

Diaphragm

Effective diameter
82
mm
Effective area
SD
53
cm²
Moving mass
MMS
6.6
g
Moving mass (without air load)
MMD
6.3
g
Material
Aluminum

Suspensions

Stiffness
KMS
0.91
N/mm
Compliance
CMS
1100
µm/N
Equivalent volume to the compliance
VAS
4.4
L
Mechanical resistance
RMS
0.96
N·s/m
Surround material
Rubber

Dimensions

Nominal diameter
4
″
116
mm
Overall diameter
116
mm
Baffle cutout diameter
93
mm
Overall depth
57
mm
Volume occupied by the driver (estimated)
0.19
L
Frame material
Steel
Impedance
SPL
Dayton Audio DA115-8 Impedance
Dayton Audio DA115-8 SPL
Dayton Audio DA115-8 Dimensions
DatasheetDatasheet

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