Model
Exact! WCA 178 BC
Rating
DIAM
7"
FS(Hz)
35
VAS(l)
18.5
QTS
0.33
PWR(W)
180
SPL(dB)
85.5
IMP(Ohm)
8x1
avb
PROD
Thiele-Small Parameters
Fs(Hz)
35
Vas(l)
18.5
Qts
0.33
Qms
11.6
Qes
0.34
Bl(Tm)
10.8
Mms(gr)
28
Cms(mm/N)
0.737
Rms(kg/s)
0.533
Le(mH)
1.3
Re(Ohm)
6.4
Sd(sq.mm)
13300
Vd(l)
0.106
X-max(mm)
8
X-mech(mm)
0
General Parameters
Diameter (inch)
7
Max Power(W.)
180
RMS Power(W.)
100
Number of Coils
1
Impedance Z-Nom(Ohm)
8
Reference efficiency η0(%)
0.22
Sensitivity(dB) 1-W
85.5
Sensitivity(dB) 2.8-V
86.5
Mounting Information
Speaker Displacement (l)
0
Total Diameter (mm)
178
Cutout Diameter (mm)
142
Mounting Depth (mm)
73
Magnet Diameter (mm)
110
Optimum Enclosures
Enclosures
BP6P, Vented
