LaVoce CSF061.21

Coaxial

6.5″ / 165 mm
Nominal diameter
90 Hz
Resonance
0.67
Q factor
90 dB
Sensitivity
± 3 mm
Linear excursion
100 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
90.4
dB
Frequency response
90 - 22000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
90.0
Hz
Mechanical quality factor
QMS
4.36
Electrical quality factor
QES
0.79
Total quality factor
QTS
0.67

Large signal parameters

Maximum linear excursion
xmax
3.0
mm
Maximum excursion before damage
xlim
4.0
mm
Air volume displaced at xmax
VD
39
cm³
Power handling
P
50
W
Program power
Pmax
100
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.7
Ω
Inductance (1kHz)
LE
0.37
mH
VC Diameter
30
mm
Winding height
HVC
8
mm
Winding material
Copper
Former material
Polyimide

Magnet

Force factor
Bl
6.09
N/A
Motor constant
Bl/√RE
2.55
N/√W
Air gap height
HAG
8
mm
Diameter
90
mm
Height
13
mm
Material
Ferrite - Neodymium

Diaphragm

Effective diameter
129
mm
Effective area
SD
131
cm²
Moving mass
MMS
9.1
g
Moving mass (without air load)
MMD
8
g
Material
Water Resistant Treated Paper - PEI

Suspensions

Stiffness
KMS
2.94
N/mm
Compliance
CMS
340
µm/N
Equivalent volume to the compliance
VAS
8.31
L
Mechanical resistance
RMS
1.18
N·s/m
Surround material
Polycotton

Dimensions

Nominal diameter
6.5
165
mm
Volume occupied by the driver
8.0
L
Net weight
0.9
kg
Frame material
Steel
LaVoce CSF061.21 SPL & Impedance
LaVoce CSF061.21 Dimensions

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