Model
Ground Zero GZRW 30SPL-EXTREME
Rating
DIAM
12"
FS(Hz)
33.7
VAS(l)
46.5
QTS
0.42
PWR(W)
1400
SPL(dB)
87.7
IMP(Ohm)
2x2
avb
PROD
Some parameters have a deviation from parameters associated with them. Please, look at the exclamation marks to get advice.
Thiele-Small Parameters
Fs(Hz)
33.7
Vas(l)
46.5
Qts
0.42
Qms
5.93
Qes
0.46
Bl(Tm)
18.7
Mms(gr)
175
Cms(mm/N)
0.13
Rms(kg/s)
6.252
Le(mH)
2.1
Re(Ohm)
4.3
Sd(sq.mm)
50220
Vd(l)
0.552
X-max(mm)
11
X-mech(mm)
25
General Parameters
Diameter (inch)
12
Max Power(W.)
1400
RMS Power(W.)
700
Number of Coils
2
Impedance Z-Nom(Ohm)
2
Reference efficiency η0(%)
0.4
Sensitivity(dB) 1-W
87.7
Sensitivity(dB) 2.8-V
92
Mounting Information
Speaker Displacement (l)
3.5
Total Diameter (mm)
300
Cutout Diameter (mm)
281
Mounting Depth (mm)
157
Magnet Diameter (mm)
190
Optimum Enclosures
Enclosures
Closed, Vented, BP4, BP6P