Peerless NCP-1230R01-08

Woofer

12″ / 305 mm
Nominal diameter
63 Hz
Resonance
0.37
Q factor
96 dB
Sensitivity
± 7.93 mm
Linear excursion
1200 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
63 - 3500
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
63.0
Hz
Mechanical quality factor
QMS
6.15
Electrical quality factor
QES
0.39
Total quality factor
QTS
0.37

Large signal parameters

Maximum linear excursion
xmax
7.93
mm
Air volume displaced at xmax
VD
434
cm³
Power handling
P
600
W
Program power
Pmax
1200
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.6
Ω
Inductance (1kHz)
LE
0.74
mH
VC Diameter
76
mm

Magnet

Force factor
Bl
18.1
N/A
Motor constant
Bl/√RE
7.65
N/√W
Air gap height
HAG
10
mm
Material
Neodymium

Diaphragm

Effective diameter
264
mm
Effective area
SD
547
cm²
Moving mass
MMS
58.6
g
Moving mass (without air load)
MMD
49.8
g
Material
Paper

Suspensions

Stiffness
KMS
9.09
N/mm
Compliance
CMS
110
µm/N
Equivalent volume to the compliance
VAS
46.3
L
Mechanical resistance
RMS
3.77
N·s/m

Dimensions

Nominal diameter
12
305
mm
Volume occupied by the driver (estimated)
2.2
L
Net weight
5.0
kg
Frame material
Cast Aluminium
Peerless NCP-1230R01-08 SPL & Impedance
Peerless NCP-1230R01-08 Dimensions

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