Peerless NE225W-04

4Ω
8Ω

Woofer

8″ / 203 mm
Nominal diameter
37 Hz
Resonance
0.37
Q factor
88 dB
Sensitivity
± 10.3 mm
Linear excursion
250 W
Program Power
Peerless NE225W-04 WooferPeerless NE225W-04 Woofer
Impedance
Excursion
Velocity
SPL
Phase
Group delay
Step response
Tone Burst
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
88.2
dB
Frequency response
30 - 1000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
37.0
Hz
Mechanical quality factor
QMS
10.30
Electrical quality factor
QES
0.39
Total quality factor
QTS
0.37

Large signal parameters

Maximum linear excursion
xmax
10.3
mm
Air volume displaced at xmax
VD
234
cm³
Power handling
P
125
W
Program power
Pmax
250
W

Voice Coil

Nominal impedance
Z
4
Ω
DC resistance
RE
3.0
Ω
Inductance (1kHz)
LE
0.27
mH
VC Diameter
51
mm

Magnet

Force factor
Bl
8.42
N/A
Motor constant
Bl/√RE
4.86
N/√W
Air gap height
HAG
8
mm
Material
Neodymium

Diaphragm

Effective diameter
170
mm
Effective area
SD
227
cm²
Moving mass
MMS
39.1
g
Moving mass (without air load)
MMD
36.7
g
Material
Patented PentaCut

Suspensions

Stiffness
KMS
2.13
N/mm
Compliance
CMS
470
µm/N
Equivalent volume to the compliance
VAS
34.4
L
Mechanical resistance
RMS
0.88
N·s/m

Dimensions

Nominal diameter
8
″
203
mm
Volume occupied by the driver (estimated)
0.75
L
Net weight
1.84
kg
Frame material
Cast Aluminium
SPL & Impedance
Peerless NE225W-04 SPL & Impedance
Peerless NE225W-04 Dimensions
DatasheetDatasheet

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