User Manual

SPECIFICATION GX8D2 GX8D4
Nominal Impedance (Z) 1.85 ohms 3.50 ohms
DC Resistance (Re) 3.70 ohms 7.00 ohms
Resonance Frequency (Fs) 31.88 Hz 32.37 Hz
Piston Area (Sd) 0.0206 m
2
0.0206 m
2
Force Factor (BL) 13.83 Tm 17.40 Tm
Mechanical Q Factor (Qms) 4.01 3.68
Electrical Q Factor (Qes) 0.32 0.35
Total Q Factor (Qts) 0.30 0.32
Sensitivity 1W/M (SPL) 84.61 dB 84.83 dB
Mechanical Compliance (Cms) 0.30 mm/N 0.33 mm/N
Moving Mass (Mms) 82.57 g 73.57 g
Linear Excursion (Xmax) 8 mm 8 mm
Volume Acoustic
Compliance (Vas)
17.90 Ltr
0.63 cu ft
19.50 Ltr
0.69 cu ft
Reference Efciency (NO.)
0.17% 0.18%
Nominal Power (Pe)
200 Watts 200 Watts
Peak Power
400 Watts 400 Watts
Frequency Response
30-500 Hz 30-500 Hz
Voice Coil Diameter
2in/50.8mm 2in/50.8mm
Displacement
0.05 cu ft/1.44 Ltr .05 cu ft/1.44 Ltr
Overall Diameter (A)
8.39in/213mm 8.39in/213mm
Cut Out Diameter (B)
7.25in/184.15mm 7.25in/184.15mm
Mounting Depth (C)
4.21in/107mm 4.21in/107mm
GX8D2 / GX8D4
Sealed Enclosure
Box External Dimensions 10.00” x 10.00” x 6.81”
Material Thickness 0.75”
Net Internal Volume .17 cu ft
Qtc 0.71
Detail Size Quantity
Top/Bottom 10.00” x 6.81” 2
Front/Rear 10.00” x 8.50” 2
Left/Right 5.31” x 8.50” 2
B
A
C
Enclosure Recommendations
Speaker and port displacement are already taken into account for recommended enclosures
6.81 in
10.00 in
10.00 in