EarthQuake EQ68 Pro Audio Series Spécifications

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Specification
Nominal Basket Diameter
Nominal Impedance
Power Rating
Resonance
Usable Frequency Range
Sensitivity
Magnet Weight
Voice Coil Diameter
Thiele & Small Parameters
Resonant Frequency (fo)
DC resistance (Re)
Coil Inductance (Le)
Mechanical Q (Qms)
Electromagnetic Q (Qes)
Total Q (Qts)
Compliance Equivalent Volume (Vas)
Mechanical Compliance of Suspension (Cms)
BL Product (BL)
Diaphragm Mass (Mmd)
Maximum Linear Excursion (Xmax)
Surface Area of Cone (Sd)
Mounting Information
Recommended Enclosure Volume
Sealed
Vented
3.4-15.6 liters/0.12-0.55 ft3
Overall Diameter
Cut Out Diameter
Front Sealing Gasket
Rear Sealing Gasket
Mounting Holes Diameter
0.27" x 0.21" , 4-5.5mm x 6.8mm
Depth
Materials of Construction
Copper voice coil
Polyimide former
Ferrite magnet
Vented and extended core
Stamped steel basket
Paper cone
Cloth surround
Solid composition paper dust cap
6-5/8", 168mm
8-Ohms
50 Watts
112.4Hz
112Hz - 10kHz
89.7
17.8 oz.
1 3/8", 35.5mm
112.375Hz ±15%
6.8 Ohms
396.050 mH @ 1kHz
4.999
0.958
0.804
4.122 liters/0.14 ft3
159.797mm/N
Earthquake
7.932 T•M
11.653 grams
100
3.5mm
134.782 sqM
90
80
2.8-5.7 liters/0.1-0.2 ft3
70
6-5/8", 168mm
60
5-5/8"", 144mm
fitted as standard
fitted as standard
50
2-5/8", 66.9mm
40
30
20
Earthquake Sound Corporation
2727 McCone Avenue • Hayward, CA 94545 • phone: 800-576-7944
fax: 510-732-1095 • www.earthquakesound.com
EQ68 Pro Audio Series
dBSPL
20 Hz
50
100
200
Sound That Will Move You
500
1K
2K
5K
SPL vs Freq
Ohm
60
50
40
30
20
10
9
8
7
6
10K
20K