Peerless HDS-P830874

Woofer

6.5″ / 165 mm
Nominal diameter
61 Hz
Resonance
0.51
Q factor
88 dB
Sensitivity
± 7.34 mm
Linear excursion
150 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
Discard
Apply

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Specifications

Sensitivity (1W, 1m, infinite baffle)
SPL1W
87.6
dB
Frequency response
100 - 2500
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
61.0
Hz
Mechanical quality factor
QMS
3.68
Electrical quality factor
QES
0.60
Total quality factor
QTS
0.51

Large signal parameters

Maximum linear excursion
xmax
7.34
mm
Air volume displaced at xmax
VD
105
cm³
Power handling
P
75
W
Program power
Pmax
150
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
6.3
Ω
Inductance (1kHz)
LE
0.42
mH
VC Diameter
32
mm

Magnet

Force factor
Bl
8.71
N/A
Motor constant
Bl/√RE
3.47
N/√W
Air gap height
HAG
6
mm
Material
Ferrite

Diaphragm

Effective diameter
135
mm
Effective area
SD
143
cm²
Moving mass
MMS
18.8
g
Moving mass (without air load)
MMD
17.6
g
Material
Polypropylene

Suspensions

Stiffness
KMS
2.7
N/mm
Compliance
CMS
370
µm/N
Equivalent volume to the compliance
VAS
10.6
L
Mechanical resistance
RMS
1.96
N·s/m

Dimensions

Nominal diameter
6.5
165
mm
Volume occupied by the driver (estimated)
0.64
L
Net weight
1.58
kg
Frame material
Cast Aluminium
Peerless HDS-P830874 SPL & Impedance
Peerless HDS-P830874 Dimensions

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