6.5″ / 165 mm
Nominal diameter
33 Hz
Resonance
0.21
Q factor
89 dB
Sensitivity
± 3.5 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
Sensitivity (1w, 1m, infinite baffle)
SPL1W
89.3
dB
Frequency response
33 - 5000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
33.0
Hz
Mechanical quality factor
QMS
2.02
Electrical quality factor
QES
0.23
Total quality factor
QTS
0.21
Large signal parameters
Maximum linear excursion
xmax
3.5
mm
Air volume displaced at xmax
VD
48
cm³
Power handling
P
50
W
Program power
Pmax
100
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.5
Ω
Inductance (1kHz)
LE
1.1
mH
VC Diameter
36
mm
Winding material
Aluminium
Magnet
Force factor
Bl
9.7
N/A
Motor constant
Bl/√RE
3.8
N/√W
Diameter
120
mm
Weight
0.84
kg
Diaphragm
Effective diameter
132
mm
Effective area
SD
137
cm²
Moving mass
MMS
16
g
Moving mass (without air load)
MMD
14.8
g
Suspensions
Stiffness
KMS
0.82
N/mm
Compliance
CMS
1220
µm/N
Equivalent volume to the compliance
VAS
36
L
Mechanical resistance
RMS
1.64
N·s/m
Dimensions
Nominal diameter
6.5
″
165
mm
Overall diameter
165
mm
Baffle cutout diameter
142
mm
Overall depth
89
mm
Flange thickness
7
mm
Mounting depth
82
mm
Volume occupied by the driver (estimated)
0.69
L
Net weight
2.235
kg
Similar woofers to MONACOR SPH-165
7″
fS
34 Hz
SD
131 cm²
33 - 2500 Hz
QTS
0.25
SPL1W
89 dB
Bl/√RE
3.72
Pmax
160 W
7″Coaxial
fS
30 Hz
SD
126 cm²
30 - 25000 Hz
QTS
0.24
xmax
3.0 mm
SPL1W
89 dB
Bl/√RE
3.13
Pmax
300 W
6.5″Woofer
fS
37 Hz
SD
133 cm²
37 - 4000 Hz
QTS
0.19
xmax
6.0 mm
SPL1W
91 dB
Bl/√RE
4.08
Pmax
300 W