Peerless HDS-P830869
Woofer
8″ / 203 mm
Nominal diameter
34 Hz
Resonance
0.38
Q factor
89 dB
Sensitivity
± 7.5 mm
Linear excursion
60 W
Program Power
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Available on (affiliate link)
Parts Express
$$
Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
88.8
dB
Frequency response
40 - 2000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
34.0
Hz
Mechanical quality factor
QMS
5.68
Electrical quality factor
QES
0.40
Total quality factor
QTS
0.38
Large signal parameters
Maximum linear excursion
xmax
7.5
mm
Air volume displaced at xmax
VD
170
cm³
Power handling
P
30
W
Program power
Pmax
60
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.8
Ω
Inductance (1kHz)
LE
0.75
mH
VC Diameter
32
mm
Magnet
Force factor
Bl
9.34
N/A
Motor constant
Bl/√RE
3.88
N/√W
Air gap height
HAG
6
mm
Material
Ferrite
Diaphragm
Effective diameter
170
mm
Effective area
SD
227
cm²
Moving mass
MMS
28.6
g
Moving mass (without air load)
MMD
26.2
g
Material
Polypropylene
Suspensions
Stiffness
KMS
1.27
N/mm
Compliance
CMS
790
µm/N
Equivalent volume to the compliance
VAS
57.6
L
Mechanical resistance
RMS
1.08
N·s/m
Dimensions
Nominal diameter
8
″
203
mm
Volume occupied by the driver (estimated)
0.71
L
Net weight
1.74
kg
Frame material
Cast Aluminium
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