Hertz EV 165.5

Woofer

6.5″ / 165 mm
Nominal diameter
70 Hz
Resonance
0.61
Q factor
88 dB
Sensitivity
± 3 mm
Linear excursion
210 W
Program Power
Discontinued
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

Available on (affiliate link)

Amazon.com
$$$

Specifications

Sensitivity (1W, 1m, infinite baffle)
SPL1W
88.4
dB
Frequency response
60 - 5000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
70.0
Hz
Mechanical quality factor
QMS
3.20
Electrical quality factor
QES
0.76
Total quality factor
QTS
0.61

Large signal parameters

Maximum linear excursion
xmax
3.0
mm
Air volume displaced at xmax
VD
42
cm³
Power handling
P
70
W
Program power
Pmax
210
W

Voice Coil

Nominal impedance
Z
4
Ω
DC resistance
RE
3.1
Ω
Inductance (1kHz)
LE
0.18
mH
VC Diameter
25
mm

Magnet

Force factor
Bl
5.0
N/A
Motor constant
Bl/√RE
2.84
N/√W
Material
High density flux ferrite

Diaphragm

Effective diameter
134
mm
Effective area
SD
141
cm²
Moving mass
MMS
13.7
g
Moving mass (without air load)
MMD
12.5
g
Material
Water repellent pressed paper

Suspensions

Stiffness
KMS
2.7
N/mm
Compliance
CMS
370
µm/N
Equivalent volume to the compliance
VAS
10.4
L
Mechanical resistance
RMS
1.88
N·s/m

Dimensions

Nominal diameter
6.5
165
mm
Volume occupied by the driver (estimated)
0.5
L
Hertz EV 165.5 SPL & Impedance

Export this driver to a simulation software:

WinISDWinISDBasta!Basta!HornrespHornrespQSpeakersQSpeakersSpeakerSimSpeakerSimMfbLabsMfbLabsSpeakerbenchSpeakerbench

Similar woofers to Hertz EV 165.5

Hertz DCX 160.3 2 Way
62 Way
fS
70 Hz
SD
118 cm²
50 - 21000 Hz
QTS
0.62
xmax
2.7 mm
SPL1W
89 dB
Bl/√RE
2.52
Pmax
120 W
Hertz MPK 165.3 PRO 2 Way Kit
6.52 Way Kit
fS
70 Hz
SD
136 cm²
40 - 22500 Hz
QTS
0.58
xmax
4.0 mm
SPL1W
88 dB
Bl/√RE
3.12
Pmax
220 W
Hertz MP 165.3 PRO Woofer
6.5Woofer
fS
70 Hz
SD
136 cm²
40 - 5000 Hz
QTS
0.58
xmax
4.0 mm
SPL1W
88 dB
Bl/√RE
3.12
Pmax
180 W