Focal K2 POWER ES 165 K2S

Woofer

6.5″ / 165 mm
Nominal diameter
60 Hz
Resonance
0.58
Q factor
87 dB
Sensitivity
140 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
86.9
dB
Frequency response
60 - 2000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
60.0
Hz
Mechanical quality factor
QMS
8.00
Electrical quality factor
QES
0.62
Total quality factor
QTS
0.58

Large signal parameters

Power handling
P
70
W
Program power
Pmax
140
W

Voice Coil

Nominal impedance
Z
2
Ω
DC resistance
RE
2.0
Ω
Inductance (1kHz, estimated)
LE
0.15
mH
VC Diameter
33
mm

Magnet

Force factor
Bl
4.5
N/A
Motor constant
Bl/√RE
3.18
N/√W

Diaphragm

Effective diameter
128
mm
Effective area
SD
129
cm²
Moving mass
MMS
17
g
Moving mass (without air load)
MMD
15.9
g
Material
K2 Sandwich

Suspensions

Stiffness
KMS
2.33
N/mm
Compliance
CMS
430
µm/N
Equivalent volume to the compliance
VAS
10
L
Mechanical resistance
RMS
0.8
N·s/m
Surround material
Butyl

Dimensions

Nominal diameter
6.5
165
mm
Overall diameter
165
mm
Baffle cutout diameter
142
mm
Mounting depth
58
mm
Volume occupied by the driver (estimated)
0.27
L
Net weight
0.7
kg
Focal ES 165 K2S SPL & Impedance
Focal ES 165 K2S Dimensions

Export this driver to a simulation software:

WinISDWinISDBasta!Basta!HornrespHornrespQSpeakersQSpeakersSpeakerSimSpeakerSimSpeakerbenchSpeakerbench

Similar woofers to Focal ES 165 K2S

HELIX Ci7 W165FM-S3 Mid Bass
6.5Mid Bass
fS
60 Hz
SD
131 cm²
50 - 3500 Hz
QTS
0.55
xmax
3.7 mm
SPL1W
87 dB
Bl/√RE
2.82
Pmax
225 W
Focal ES 165 KX2E 2 way kit
6.52 way kit
fS
55 Hz
SD
129 cm²
55 - 22000 Hz
QTS
0.55
xmax
5.3 mm
SPL1W
87 dB
Bl/√RE
2.98
Pmax
240 W
Hertz CPX 165 PRO 2 Way
6.52 Way
fS
60 Hz
SD
133 cm²
45 - 22000 Hz
QTS
0.55
xmax
3.9 mm
SPL1W
88 dB
Bl/√RE
2.92
Pmax
285 W