4″ / 116 mm
Nominal diameter
60 Hz
Resonance
0.41
Q factor
84 dB
Sensitivity
± 2.5 mm
Linear excursion
40 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 links)
Parts Express
$$
Amazon.com
$$
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
Magnet
Force factor
Bl
5.7
N/A
Motor constant
Bl/√RE
2.25
N/√W
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
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
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
Similar woofers to Dayton Audio DA115-8
5″Woofer
fS
56 Hz
SD
83 cm²
50 - 1000 Hz
QTS
0.40
xmax
7.0 mm
SPL1W
85 dB
Bl/√RE
3.7
Pmax
160 W
5″Woofer
fS
57 Hz
SD
53 cm²
65 - 5400 Hz
QTS
0.37
xmax
4.0 mm
SPL1W
85 dB
Bl/√RE
2.13
Pmax
60 W
4″Woofer
fS
63 Hz
SD
54 cm²
63 - 11000 Hz
QTS
0.42
xmax
4.1 mm
SPL1W
84 dB
Bl/√RE
2.24
Pmax
70 W