Model
Alphard HWC4-12MA300
Rating
Attention! Parameters of that speaker were not checked: a source of data, manual were not found.
DIAM
12"
FS(Hz)
48
VAS(l)
68.1
QTS
1.24
PWR(W)
200
SPL(dB)
88.6
IMP(Ohm)
4x1
avb
NOPROD
Some parameters have a deviation from parameters associated with them. Please, look at the exclamation marks to get advice.
Thiele-Small Parameters
Fs(Hz)
48
Vas(l)
68.1
Qts
1.24
Qms
5.6
Qes
1.59
Bl(Tm)
7.6
Mms(gr)
43
Cms(mm/N)
0.25
Rms(kg/s)
2.35
Le(mH)
0
Re(Ohm)
7
Sd(sq.mm)
52700
Vd(l)
0.103
X-max(mm)
2
X-mech(mm)
0
General Parameters
Diameter (inch)
12
Max Power(W.)
200
RMS Power(W.)
100
Number of Coils
1
Impedance Z-Nom(Ohm)
4
Reference efficiency η0(%)
0.46
Sensitivity(dB) 1-W
88.6
Sensitivity(dB) 2.8-V
89.2
Mounting Information
Speaker Displacement (l)
0
Total Diameter (mm)
0
Cutout Diameter (mm)
282
Mounting Depth (mm)
115
Magnet Diameter (mm)
120
Optimum Enclosures
Enclosures
Closed, BP4
