SB Acoustics SB16PFC25-4-COAX

Coaxial

6″ / 152 mm
Nominal diameter
36 Hz
Resonance
0.31
Q factor
88 dB
Sensitivity
± 4.65 mm
Linear excursion
80 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
87.7
dB

Thiele & Small parameters

Resonance frequency (free air)
fS
36.0
Hz
Mechanical quality factor
QMS
2.60
Electrical quality factor
QES
0.35
Total quality factor
QTS
0.31

Large signal parameters

Maximum linear excursion
xmax
4.65
mm
Air volume displaced at xmax
VD
55
cm³
Power handling
P
40
W
Program power
Pmax
80
W

Voice Coil

Nominal impedance
Z
4
Ω
DC resistance
RE
3.2
Ω
Inductance (1kHz)
LE
0.31
mH
VC Diameter
25
mm
Winding height
HVC
14.3
mm

Magnet

Flux density
B
1.1
T
Force factor
Bl
5.1
N/A
Motor constant
Bl/√RE
2.85
N/√W
Air gap height
HAG
5
mm
Weight
0.36
kg

Diaphragm

Effective diameter
123
mm
Effective area
SD
119
cm²
Moving mass
MMS
12.5
g
Moving mass (without air load)
MMD
11.6
g

Suspensions

Stiffness
KMS
0.64
N/mm
Compliance
CMS
1560
µm/N
Equivalent volume to the compliance
VAS
31.3
L
Mechanical resistance
RMS
1.1
N·s/m

Dimensions

Nominal diameter
6
152
mm
Volume occupied by the driver (estimated)
0.37
L
Net weight
0.95
kg
SB Acoustics SB16PFC25-4-COAX SPL & Impedance
SB Acoustics SB16PFC25-4-COAX Dimensions

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