PHL audio 973

Fe
Nd

Coaxial

5″ / 130 mm
Nominal diameter
67 Hz
Resonance
0.4
Q factor
88 dB
Sensitivity
± 6.5 mm
Linear excursion
240 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
Sensitivity (1W, 1m, infinite baffle)
SPL1W
88.0
dB
Frequency response
60 - 3000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
67.0
Hz
Mechanical quality factor
QMS
3.75
Electrical quality factor
QES
0.44
Total quality factor
QTS
0.40

Large signal parameters

Maximum linear excursion
xmax
6.5
mm
Maximum excursion before damage
xlim
12.0
mm
Air volume displaced at xmax
VD
60
cm³
Power handling
P
120
W
Program power
Pmax
240
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.7
Ω
Inductance (1kHz)
LE
0.35
mH
VC Diameter
38
mm
Winding height
HVC
16
mm

Magnet

Force factor
Bl
7.6
N/A
Motor constant
Bl/√RE
3.18
N/√W
Air gap height
HAG
6
mm
Diameter
118
mm
Material
Ferrite

Diaphragm

Effective diameter
108
mm
Effective area
SD
92
cm²
Moving mass
MMS
10.7
g
Moving mass (without air load)
MMD
10
g

Suspensions

Stiffness
KMS
1.89
N/mm
Compliance
CMS
530
µm/N
Equivalent volume to the compliance
VAS
6.3
L
Mechanical resistance
RMS
1.2
N·s/m

Dimensions

Nominal diameter
5
130
mm
Overall diameter
136
mm
Baffle cutout diameter
125
mm
Overall depth
87
mm
Flange thickness
12
mm
Mounting depth
75
mm
Volume occupied by the driver
0.38
L
Net weight
2.08
kg
PHL audio 973 Dimensions

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