Black Hydra HBC-3.28
Mid Bass
6.5″ / 160 mm
Nominal diameter
62 Hz
Resonance
0.47
Q factor
92 dB
Sensitivity
150 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
91.9
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
61.8
Hz
Mechanical quality factor
QMS
3.16
Electrical quality factor
QES
0.55
Total quality factor
QTS
0.47
Large signal parameters
Power handling
P
80
W
Program power
Pmax
150
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.1
Ω
Inductance (1kHz)
LE
0.66
mH
Winding material
Copper
Magnet
Force factor
Bl
5.6
N/A
Motor constant
Bl/√RE
3.18
N/√W
Diaphragm
Effective diameter
155
mm
Effective area
SD
189
cm²
Moving mass
MMS
13.1
g
Moving mass (without air load)
MMD
11.6
g
Suspensions
Stiffness
KMS
2.43
N/mm
Compliance
CMS
412
µm/N
Equivalent volume to the compliance
VAS
20.9
L
Mechanical resistance
RMS
1.62
N·s/m
Dimensions
Nominal diameter
6.5
″
160
mm
Volume occupied by the driver (estimated)
0.46
L
Frame material
Steel
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8″Mid Bass
fS
69 Hz
SD
244 cm²
100 - 7500 Hz
QTS
0.46
xmax
4.0 mm
SPL1W
93 dB
Bl/√RE
4.19
Pmax
400 W
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10″Coaxial
fS
63 Hz
SD
320 cm²
65 - 18000 Hz
QTS
0.42
xmax
5.5 mm
SPL1W
93 dB
Bl/√RE
5.71
Pmax
500 W
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8″Woofer
fS
64 Hz
SD
227 cm²
55 - 5200 Hz
QTS
0.38
xmax
5.8 mm
SPL1W
93 dB
Bl/√RE
4.16
Pmax
400 W