VOLT BM165.1

Mid Bass

6.5″ / 165 mm
Nominal diameter
30 Hz
Resonance
0.24
Q factor
87 dB
Sensitivity
± 6.3 mm
Linear excursion
200 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
87.4
dB
Frequency response
50 - 3000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
30.0
Hz
Mechanical quality factor
QMS
4.12
Electrical quality factor
QES
0.26
Total quality factor
QTS
0.24

Large signal parameters

Maximum linear excursion
xmax
6.3
mm
Maximum excursion before damage
xlim
12.0
mm
Air volume displaced at xmax
VD
97
cm³
Power handling
P
100
W
Program power
Pmax
200
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.5
Ω
Inductance (1kHz)
LE
1.2
mH
VC Diameter
38
mm
Winding material
Copper

Magnet

Force factor
Bl
9.8
N/A
Motor constant
Bl/√RE
4.18
N/√W
Weight
1.55
kg
Material
Ferrite

Diaphragm

Effective diameter
140
mm
Effective area
SD
154
cm²
Moving mass
MMS
25
g
Moving mass (without air load)
MMD
23.5
g
Material
Coated Black HIPS

Suspensions

Stiffness
KMS
0.81
N/mm
Compliance
CMS
1230
µm/N
Equivalent volume to the compliance
VAS
40.8
L
Mechanical resistance
RMS
1.14
N·s/m
Surround material
Low Loss Rubber

Dimensions

Nominal diameter
6.5
165
mm
Overall diameter
189
mm
Baffle cutout diameter
163
mm
Overall depth
90
mm
Flange thickness
6
mm
Mounting depth
84
mm
Volume occupied by the driver
0.7
L
Net weight
1.95
kg
Frame material
Diecast Aluminium Vented
VOLT BM165.1 Impedance
VOLT BM165.1 SPL
VOLT BM165.1 Dimensions

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Similar woofers to VOLT BM165.1

mivoc XAW 210 HC Woofer
8Woofer
fS
32 Hz
SD
209 cm²
32 - 1000 Hz
QTS
0.27
xmax
7.8 mm
SPL1W
88 dB
Bl/√RE
5.72
Pmax
300 W