Ground Zero GZPW 21SPL
Ground Zero GZPW 21SPL
Model

Ground Zero GZPW 21SPL

Rating
DIAM
21"
FS(Hz)
34.5
VAS(l)
111.9
QTS
0.55
PWR(W)
10000
SPL(dB)
90.7
IMP(Ohm)
1x2
avb
UNK
Some parameters have a deviation from parameters associated with them. Please, look at the exclamation marks to get advice.

Thiele-Small Parameters

Fs(Hz)
34.5
Vas(l)
111.9
Qts
0.55
Qms
6.52
Qes
0.601
Bl(Tm)
21.6
Mms(gr)
643
Cms(mm/N)
0.033
Rms(kg/s)
21.381
Le(mH)
0
Re(Ohm)
2
Sd(sq.mm)
154625
Vd(l)
3.866
X-max(mm)
25
X-mech(mm)
0

General Parameters

Diameter (inch)
21
Max Power(W.)
10000
RMS Power(W.)
6000
Number of Coils
2
Impedance Z-Nom(Ohm)
1
Reference efficiency η0(%)
0
Sensitivity(dB) 1-W
90.7
Sensitivity(dB) 2.8-V
0

Mounting Information

Speaker Displacement (l)
0
Total Diameter (mm)
0
Cutout Diameter (mm)
500
Mounting Depth (mm)
320
Magnet Diameter (mm)
250

Optimum Enclosures

Enclosures
Closed, Vented, BP4, BP6P

Speaker response