Ground Zero GZPW 18SPL-Extreme Service Manual
Product name
GZPW 18SPL-Extreme
Product type
Subwoofer chassis
H.Art .nr.
113074
Diameter
465 mm / 18.3“
Mounting diameter
426 mm / 16.77“
Mounting depth
299 mm / 11.77“
Magnet dimension
3 x 275 x 19 mm
Total weight
40,45 KG
Voice coil diameter
100 mm / 4“ Flat Wire
Voice coil winding height
62 mm / 2.44“
Voice coil wire material
CCA
Voice coil former material
Doublesheet black alu
Top plate height
35 mm / 1.38“
Linear excursion (one direction)
13,5 mm / 0.53“
Effective Xmax
35 mm / 1.39“
Top Plate and T-Yoke color
Silver sandblast
Basket material
Aluminium Cast
Basket color
Yellow
Spider
5x Conex
Surround
VOXR V Shape foam
Cone
Carbon Sandwich
Dustcap
IMPP konvex / Logo print
Magnetcover
Rubber
Gasket
Steelring
Terminal
10 mm² cable
Power handling
15000 W SPL Power
Impedance
2 x 1 Ohm
Re
1,9 Ohm
Res
353,4 Ohm
FS
45.1 Hz
Qms
9.28
Qes
0.42
Qts
0.31
Rms
24,8 kg/s
Cms
0.02 mm/N
Mms
633.6 gr
BL
28.6 N/A
SPL
92 dB
VAS
43.5 L / 1.54 cu.ft
Le
1.41 mH
Recommended freq. Response
35 – 100 Hz
Recommended amplifier power
5 –15 kWRMS @ 2 Ohm (0,5 Ohm)
Sound Quality
JJJ (max. JJJJJJ)
SPL Competition
JJJJJJ (max. JJJJJJ)
Low bass performance 20-50Hz
JJJJJ (max. JJJJJJ)
Mid bass performance 50-80Hz
JJJJJ (max. JJJJJJ)
GROUND ZERO PLUTONIUM
GZPW 18SPL-EXTREME
Big size vented box
V
V1
L
D
V: 180 L / 6.36 cu.ft
D: 2 x 200 mm / 8“
L: 350 mm / 13.78“
No damping
Big size bandpassbox
V1: 40 L / 1.41 cu.ft
L V2
V2: 140 L / 4.94 cu.ft
D: 2 x 200 mm / 8“
D
L: 200 mm / 8“
20% polyester whool in V1
No damping in V2
Die hier aufgeführten Gehäusevorschläge sind nur einige, der möglichen Varianten.
Bitte beachten Sie zudem, dass die finale Abstimmung, speziell die Port Längen je nach Fahrzeug und eigenem Geschmack variiert werden sollte.
Above-mentioned enclosure recommendations are just a few possible variations.
Please note that you should find the perfect tuning, especially port length, based on your car and own taste.
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