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GZIW 12SPL
GROUND ZERO GmbH – Erlenweg 25 – 85658 Egmating – Germany
GroundZeroAudioCom
www.ground-zero-audio.com
info@ground-zero-audio.com
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Product name
GZIW 12SPL
Product type
Subwoofer chassis
H.Art .nr.
Diameter
310 mm / 12.2“
Mounting diameter
285 mm / 11.22“
Mounting depth
162 mm / 6.38“
Magnet dimension
2 x 145 x 20 mm
Total weight
6 KG
Voice coil diameter
63 mm / 2.5“ Round Wire
Voice coil winding height
30 mm / 1.18“
Voice coil wire material
Copper
Voice coil former material
Aluminium
Top plate height
8 mm / 0.315“
Linear excursion (one direction)
11 mm / 0433“
Effective Xmax
35 mm / 1.38“
Top Plate and T-Yoke color
Black
Basket material
Steel
Basket color
Yellow
Spider
2 layer Polycot / Connex
Surround
V Shape High roll Foam
Cone
Reinforced Paper
Dustcap
Convex IMPP with 3D Logo
Magnetcover
PVC boot
Gasket
Foam
Terminal
Chrome Push terminal
Power handling
1000 W SPL Power
Impedance
2 x 2 Ohm
Re
4.1 Ohm
Res
62.8 Ohm
FS
36.9 Hz
Qms
6.57
Qes
0.75
Qts
0.67
Rms
7.2 kg/s
Cms
0.09 mm/N
Mms
202.9 gr
BL
16.1 N/A
SPL
86 dB
VAS
35.6 L / 1.257 cu.ft
Le
2,83 mH
Recommended freq. response
35 – 120 Hz
Recommended amplifier power
600 – 1000 WRMS @ 4 Ohm (1 Ohm)
Sound Quality
JJ (max. JJJJJJ)
SPL Competition
JJJ (max. JJJJJJ)
Low bass performance 20-50Hz
JJJ (max. JJJJJJ)
Mid bass performance 50-80Hz
JJJ (max. JJJJJJ)
A
310 mm / 12.2“
B
285 mm / 11.22“
C
162 mm / 6.38“
D
150 mm / 5.9“
E
11 mm / 0.43“
GZIW 12SPL
TECHNICAL SPECIFICATIONS
A
D
B
C
E
GROUND ZERO GmbH – Erlenweg 25 – 85658 Egmating – Germany
GroundZeroAudioCom
www.ground-zero-audio.com
info@ground-zero-audio.com
Page 3
GZIW 12SPL
BOX RECOMMENDATION
V
Medium size vented box
V: 45 L / 1.59 cu.ft
D: 100 mm / 4“
L: *210 mm / 8.27“
No damping
V1
V
L
Big size vented box
V: 60 L / 2.12 cu.ft
D
L V2
D: 100 mm / 4“
L: *170 mm / 6.69“
No damping
Big size sealed box ->
Free Air
35 – ~500 L / 1.24 – 17.66 cu.ft
Qtc. 1.00 - 0.72
40 - 60% polyester wool
Medium size bandpassbox
V1: 25 L / 0.88 cu.ft
V2: 40 L / 1.41 cu.ft
D: 100 mm / 4“
L: *110 mm / 4.33“
20% polyester wool in V1
No damping in V2
D
* 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.
GROUND ZERO GmbH – Erlenweg 25 – 85658 Egmating – Germany
GroundZeroAudioCom
www.ground-zero-audio.com
info@ground-zero-audio.com
Page 4
Curve
Type
Volume
F3/ Qtc
Red
Vented
45 L / 1.59 cu.ft
34.6 Hz
Lightgreen
Vented
60 L / 2.12 cu.ft
31.6 Hz
Black
Sealed
35 L / 1.24 cu.ft
40 Hz / 1.00
Blue
Free Air
~ 500 L / 17.66 cu.ft
36.7 Hz / 0.72
Darkgreen
Bandpass 4th order
V1: 25 L / 0.88 cu.ft
V2: 40 L / 1.41 cu.ft
Centerfreq. 57 Hz
GZIW 12SPL
BOX RECOMMENDATION
* 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.
GROUND ZERO GmbH – Erlenweg 25 – 85658 Egmating – Germany
GroundZeroAudioCom
www.ground-zero-audio.com
info@ground-zero-audio.com
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