B&C Speaker 6PS44
Mid Bass
6.5″ / 170 mm
Nominal diameter
71 Hz
Resonance
0.33
Q factor
90 dB
Sensitivity
± 4.5 mm
Linear excursion
400 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
90.2
dB
Frequency response
70 - 5000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
71.0
Hz
Mechanical quality factor
QMS
12.50
Electrical quality factor
QES
0.34
Total quality factor
QTS
0.33
Large signal parameters
Maximum linear excursion
xmax
4.5
mm
Air volume displaced at xmax
VD
59
cm³
Power handling
P
200
W
Program power
Pmax
400
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.3
Ω
Inductance (1kHz)
LE
0.7
mH
VC Diameter
44
mm
Winding height
HVC
12
mm
Winding material
Copper
Former material
Glass Fibre
Magnet
Flux density
B
1.25
T
Force factor
Bl
11.0
N/A
Motor constant
Bl/√RE
4.78
N/√W
Air gap height
HAG
6
mm
Material
Ferrite
Diaphragm
Effective diameter
130
mm
Effective area
SD
132
cm²
Moving mass
MMS
18
g
Moving mass (without air load)
MMD
16.8
g
Material
Waterproof Front Side
Suspensions
Stiffness
KMS
3.46
N/mm
Compliance
CMS
289
µm/N
Equivalent volume to the compliance
VAS
7
L
Mechanical resistance
RMS
0.64
N·s/m
Dimensions
Nominal diameter
6.5
″
170
mm
Overall diameter
187
mm
Baffle cutout diameter
145
mm
Overall depth
88
mm
Flange thickness
13
mm
Mounting depth
75
mm
Volume occupied by the driver
0.9
L
Net weight
2.35
kg
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SpeakerbenchSimilar woofers to B&C Speaker 6PS44
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6.5″Woofer
fS
62 Hz
SD
127 cm²
60 - 3000 Hz
QTS
0.28
xmax
5.5 mm
SPL1W
91 dB
Bl/√RE
4.56
Pmax
300 W