Dayton Audio Reference RS150-4
Woofer
6″ / 150 mm
Nominal diameter
45 Hz
Resonance
0.33
Q factor
87 dB
Sensitivity
± 4.4 mm
Linear excursion
80 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
87.3
dB
Frequency response
48 - 4000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
45.1
Hz
Mechanical quality factor
QMS
1.96
Electrical quality factor
QES
0.40
Total quality factor
QTS
0.33
Large signal parameters
Maximum linear excursion
xmax
4.4
mm
Air volume displaced at xmax
VD
37
cm³
Power handling
P
40
W
Program power
Pmax
80
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.1
Ω
Inductance (1kHz)
LE
0.34
mH
VC Diameter
25
mm
Magnet
Force factor
Bl
4.1
N/A
Motor constant
Bl/√RE
2.33
N/√W
Diaphragm
Effective diameter
104
mm
Effective area
SD
85
cm²
Moving mass
MMS
7.7
g
Moving mass (without air load)
MMD
7.1
g
Material
Black Anodized Aluminum
Suspensions
Stiffness
KMS
0.62
N/mm
Compliance
CMS
1620
µm/N
Equivalent volume to the compliance
VAS
16.4
L
Mechanical resistance
RMS
1.11
N·s/m
Dimensions
Nominal diameter
6
″
150
mm
Overall diameter
150
mm
Baffle cutout diameter
122
mm
Overall depth
70
mm
Volume occupied by the driver (estimated)
0.35
L
Frame material
Cast Aluminium
Similar woofers to Dayton Audio RS150-4
6″Woofer
fS
48 Hz
SD
85 cm²
47 - 4200 Hz
QTS
0.34
xmax
4.0 mm
SPL1W
87 dB
Bl/√RE
2.23
Pmax
80 W
6″Woofer
fS
47 Hz
SD
85 cm²
49 - 10000 Hz
QTS
0.34
xmax
4.0 mm
SPL1W
88 dB
Bl/√RE
2.16
Pmax
65 W
6″Woofer
fS
44 Hz
SD
85 cm²
45 - 10000 Hz
QTS
0.34
xmax
4.4 mm
SPL1W
86 dB
Bl/√RE
2.35
Pmax
65 W