Jensen Vintage AlNiCo P12R
8Ω
16Ω
Guitar Speaker
12″ / 307 mm
Nominal diameter
77 Hz
Resonance
2.2
Q factor
98 dB
Sensitivity
± 0.75 mm
Linear excursion
50 W
Program Power
.png)
.png)
.png)
Sensitivity (1w, 1m, infinite baffle)
SPL1W
98.0
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
77.0
Hz
Mechanical quality factor
QMS
12.53
Electrical quality factor
QES
2.67
Total quality factor
QTS
2.20
Large signal parameters
Maximum linear excursion
xmax
0.75
mm
Air volume displaced at xmax
VD
37
cm³
Power handling
P
25
W
Program power
Pmax
50
W
Voice Coil
Nominal impedance
Z
16
Ω
DC resistance
RE
12.0
Ω
Inductance (1kHz)
LE
0.84
mH
VC Diameter
25
mm
Winding height
HVC
8
mm
Winding material
Copper
Former material
Kapton
Magnet
Flux density
B
0.96
T
Force factor
Bl
6.68
N/A
Motor constant
Bl/√RE
1.93
N/√W
Air gap height
HAG
6
mm
Weight
0.2
kg
Material
Alnico
Diaphragm
Effective diameter
250
mm
Effective area
SD
491
cm²
Moving mass
MMS
19.9
g
Moving mass (without air load)
MMD
12
g
Material
Paper
Suspensions
Stiffness
KMS
4.67
N/mm
Compliance
CMS
214
µm/N
Equivalent volume to the compliance
VAS
72.6
L
Mechanical resistance
RMS
0.77
N·s/m
Surround material
Integrated Paper
Dimensions
Nominal diameter
12
″
307
mm
Overall diameter
307
mm
Volume occupied by the driver (estimated)
0.61
L
Net weight
1.5
kg
Frame material
Pressed Sheet
.png)
Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar speaker drivers to Jensen P12R
.png.webp)
.png.webp)
.png.webp)