DB Drive P7 6K

Mid-range

6.5″ / 165 mm
Nominal diameter
119 Hz
Resonance
0.51
Q factor
93 dB
Sensitivity
500 W
Program Power
Discontinued
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
93.1
dB

Thiele & Small parameters

Resonance frequency (free air)
fS
119
Hz
Mechanical quality factor
QMS
4.53
Electrical quality factor
QES
0.57
Total quality factor
QTS
0.51

Large signal parameters

Power handling
P
200
W
Program power
Pmax
500
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.8
Ω
Inductance (1kHz)
LE
0.4
mH

Magnet

Force factor
Bl
8.2
N/A
Motor constant
Bl/√RE
3.4
N/√W

Diaphragm

Effective diameter
130
mm
Effective area
SD
133
cm²
Moving mass
MMS
8.9
g
Moving mass (without air load)
MMD
7.8
g

Suspensions

Stiffness
KMS
5.0
N/mm
Compliance
CMS
200
µm/N
Equivalent volume to the compliance
VAS
5
L
Mechanical resistance
RMS
1.47
N·s/m

Dimensions

Nominal diameter
6.5
165
mm
Volume occupied by the driver (estimated)
0.5
L

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