Peerless HDS-P830875
Woofer
6.5″ / 165 mm
Nominal diameter
48 Hz
Resonance
0.39
Q factor
88 dB
Sensitivity
± 7.34 mm
Linear excursion
60 W
Program Power
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Available on (affiliate link)
Parts Express
$$
Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
88.2
dB
Frequency response
55 - 3000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
48.0
Hz
Mechanical quality factor
QMS
3.39
Electrical quality factor
QES
0.45
Total quality factor
QTS
0.39
Large signal parameters
Maximum linear excursion
xmax
7.34
mm
Air volume displaced at xmax
VD
105
cm³
Power handling
P
30
W
Program power
Pmax
60
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.5
Ω
Inductance (1kHz)
LE
0.46
mH
VC Diameter
32
mm
Magnet
Force factor
Bl
8.65
N/A
Motor constant
Bl/√RE
3.39
N/√W
Air gap height
HAG
6
mm
Material
Ferrite
Diaphragm
Effective diameter
135
mm
Effective area
SD
143
cm²
Moving mass
MMS
17.1
g
Moving mass (without air load)
MMD
15.9
g
Material
Coated Paper
Suspensions
Stiffness
KMS
1.56
N/mm
Compliance
CMS
640
µm/N
Equivalent volume to the compliance
VAS
18.6
L
Mechanical resistance
RMS
1.52
N·s/m
Dimensions
Nominal diameter
6.5
″
165
mm
Volume occupied by the driver (estimated)
0.63
L
Net weight
1.55
kg
Frame material
Cast Aluminium
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6.5″Coaxial
fS
51 Hz
SD
123 cm²
55 - 18000 Hz
QTS
0.39
xmax
4.5 mm
SPL1W
89 dB
Bl/√RE
3.19
Pmax
240 W