High quality 4" CD woofer/midrange for cars. The steel basket is
made to fit car standards. The four flaps with mounting holes are easy to
break off and you have a 100 mm round speaker. The response is smooth and
extended up to 9 kHz. The 830516 has a nice looking and good performing
cast diaphragm.
WR 100
Thiele Small parameters:
Free air
Common
Baffled
Nominal impedance
Zn
(ohm)
4
Minimum impedance/at freq.
Zmin
(ohm/Hz)
3.7/398
Maximum impedance
Zo
(ohm)
24.1
DC
resistance
Re
(ohm)
3.4
Voice coil inductance
Le
(mH)
0.5
Capacitor in series with 4 ohm (for impedance
compensation)
Cc
(µF)
19
Resonance Frequency
fs
(Hz)
81.1
78.9
Mechanical Q factor
Qms
3.56
3.65
Electrical Q factor
Qes
0.58
0.59
Total Q factor
Qts
0.50
0.51
F
(Ratio fs/Qts)
F
(Hz)
155
Mechanical resistance
Rms
(Kg/s)
0.78
Moving mass
Mms
(g)
5.5
5.8
Suspension compliance
Cms
(mm/N)
0.70
Effective cone diameter
D
(cm)
8.6
Effective piston area
Sd
(cm²)
58
Equivalent volume
VAS
(ltrs)
3.3
Force factor
Bl
(N/A)
4.0
Reference voltage sensitivity Re 2.83V 1m at 398 Hz
(Measured)
(dB)
89.4
Magnet and voice coil parameters:
Voice coil diameter
d
(mm)
26
Voice coil length
h
(mm)
7
Voice coil layers
n
2
Flux density in gap
B
(T)
0.94
Total useful flux
(mWb)
0.62
Height of the gap
hg
(mm)
6
Diameter of magnet
dm
(mm)
72
Height of magnet
hm
(mm)
15
Weight of magnet
(kg)
0.23
Power handling:
Long term Max System Power (IEC)
(W)
100
Measuring methods and conditions are stated in Peerless Standard for
Acoustic Measurements (PSAM)