8″ / 222 mm
Nominal diameter
49 Hz
Resonance
0.38
Q factor
93 dB
Sensitivity
± 4.6 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
93.3
dB
Frequency response
43 - 10000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
49.1
Hz
Mechanical quality factor
QMS
5.08
Electrical quality factor
QES
0.41
Total quality factor
QTS
0.38
Large signal parameters
Maximum linear excursion
xmax
4.6
mm
Air volume displaced at xmax
VD
94
cm³
Power handling
P
40
W
Program power
Pmax
80
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.5
Ω
Inductance (1kHz)
LE
0.8
mH
VC Diameter
25
mm
Magnet
Force factor
Bl
7.21
N/A
Motor constant
Bl/√RE
2.83
N/√W
Diaphragm
Effective diameter
162
mm
Effective area
SD
205
cm²
Moving mass
MMS
10.7
g
Moving mass (without air load)
MMD
8.4
g
Suspensions
Stiffness
KMS
1.02
N/mm
Compliance
CMS
980
µm/N
Equivalent volume to the compliance
VAS
63
L
Mechanical resistance
RMS
0.65
N·s/m
Dimensions
Nominal diameter
8
″
222
mm
Overall diameter
222
mm
Baffle cutout diameter
181
mm
Overall depth
94
mm
Volume occupied by the driver (estimated)
0.87
L
Frame material
Cast Aluminium
Similar speaker drivers to Dayton Audio PM220-8
10″Coaxial
fS
49 Hz
SD
345 cm²
60 - 4000 Hz
QTS
0.38
xmax
5.0 mm
SPL1W
94 dB
Bl/√RE
4.65
Pmax
500 W
10″Coaxial
fS
48 Hz
SD
380 cm²
50 - 20000 Hz
QTS
0.38
xmax
6.7 mm
SPL1W
94 dB
Bl/√RE
5.09
Pmax
600 W
10″Woofer
fS
49 Hz
SD
373 cm²
45 - 3000 Hz
QTS
0.38
xmax
5.0 mm
SPL1W
95 dB
Bl/√RE
4.77
Pmax
400 W