Hertz SPL Show SV 165.1

Mid-range

6.5″ / 165 mm
Nominal diameter
110 Hz
Resonance
0.5
Q factor
92 dB
Sensitivity
± 1.2 mm
Linear excursion
400 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
92.2
dB
Frequency response
100 - 10000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
110
Hz
Mechanical quality factor
QMS
5.53
Electrical quality factor
QES
0.55
Total quality factor
QTS
0.50

Large signal parameters

Maximum linear excursion
xmax
1.2
mm
Air volume displaced at xmax
VD
15
cm³
Power handling
P
150
W
Program power
Pmax
400
W

Voice Coil

Nominal impedance
Z
4
Ω
DC resistance
RE
3.2
Ω
Inductance (1kHz)
LE
0.26
mH
VC Diameter
38
mm

Magnet

Force factor
Bl
6.5
N/A
Motor constant
Bl/√RE
3.63
N/√W
Diameter
110
mm
Height
20
mm
Material
Ferrite

Diaphragm

Effective diameter
128
mm
Effective area
SD
128
cm²
Moving mass
MMS
10.4
g
Moving mass (without air load)
MMD
9.3
g
Material
Ultra light pressed paper

Suspensions

Stiffness
KMS
5.0
N/mm
Compliance
CMS
200
µm/N
Equivalent volume to the compliance
VAS
4.65
L
Mechanical resistance
RMS
1.3
N·s/m

Dimensions

Nominal diameter
6.5
165
mm
Overall diameter
168
mm
Baffle cutout diameter
145
mm
Overall depth
74
mm
Flange thickness
8
mm
Mounting depth
66
mm
Volume occupied by the driver (estimated)
0.55
L
Net weight
1.85
kg
Hertz SV 165.1 SPL & Impedance

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