Model
Pyramid PW877X
Rating
DIAM
8"
FS(Hz)
38
VAS(l)
50.8
QTS
0.48
PWR(W)
400
SPL(dB)
88.3
IMP(Ohm)
4x1
avb
PROD
Thiele-Small Parameters
Fs(Hz)
38
Vas(l)
50.8
Qts
0.48
Qms
2
Qes
0.63
Bl(Tm)
0
Mms(gr)
0
Cms(mm/N)
0
Rms(kg/s)
0
Le(mH)
0
Re(Ohm)
4
Sd(sq.mm)
0
Vd(l)
0
X-max(mm)
0
X-mech(mm)
0
General Parameters
Diameter (inch)
8
Max Power(W.)
400
RMS Power(W.)
200
Number of Coils
1
Impedance Z-Nom(Ohm)
4
Reference efficiency η0(%)
0
Sensitivity(dB) 1-W
88.3
Sensitivity(dB) 2.8-V
91.3
Mounting Information
Speaker Displacement (l)
0
Total Diameter (mm)
210
Cutout Diameter (mm)
197
Mounting Depth (mm)
90
Magnet Diameter (mm)
0
Optimum Enclosures
Enclosures
Closed, Vented, BP4, BP6P