MONACOR SP-12A/302PA

Mid-range

12″ / 313 mm
Nominal diameter
50 Hz
Resonance
0.34
Q factor
96 dB
Sensitivity
± 5 mm
Linear excursion
600 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
96.0
dB
Frequency response
50 - 4000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
50.0
Hz
Mechanical quality factor
QMS
7.87
Electrical quality factor
QES
0.35
Total quality factor
QTS
0.34

Large signal parameters

Maximum linear excursion
xmax
5.0
mm
Air volume displaced at xmax
VD
265
cm³
Power handling
P
300
W
Program power
Pmax
600
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
6.4
Ω
Inductance (1kHz)
LE
0.8
mH
VC Diameter
66
mm
Winding material
Kapton

Magnet

Force factor
Bl
16.98
N/A
Motor constant
Bl/√RE
6.71
N/√W
Diameter
154
mm
Weight
2.0
kg

Diaphragm

Effective diameter
260
mm
Effective area
SD
530
cm²
Moving mass
MMS
50
g
Moving mass (without air load)
MMD
41.3
g

Suspensions

Stiffness
KMS
5.26
N/mm
Compliance
CMS
190
µm/N
Equivalent volume to the compliance
VAS
77
L
Mechanical resistance
RMS
2.0
N·s/m

Dimensions

Nominal diameter
12
313
mm
Overall diameter
313
mm
Baffle cutout diameter
284
mm
Overall depth
135
mm
Flange thickness
12
mm
Mounting depth
123
mm
Volume occupied by the driver (estimated)
2.3
L
Net weight
5.1
kg
MONACOR SP-12A/302PA SPL & Impedance
MONACOR SP-12A/302PA Dimensions

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