EarthQuake EQ128 Specifiche

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Specification
Nominal Basket Diameter
Nominal Impedance
Max Power Rating
Resonance
Usable Frequency Range
Sensitivity
Magnet Weight
Voice Coil Diameter
Thiele & Small Parameters
Resonant Frequency (Fs)
DC resistance (Re)
Coil Inductance at Fs (Lces)
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
Overall Diameter
Cut Out Diameter
Front Sealing Gasket
Rear Sealing Gasket
Mounting Holes Diameter
1/4" x 3/8" , 6.5 mm x 9 mm
Mounting Depth
Materials of Construction
Aluminum voice coil
Polyimide former
Ferrite magnet
Vented and extended core
Stamped steel basket
Paper cone
Cloth surround
Solid composition paper dust cap
12-1/4", 310 mm
8-Ohms
400 Watts
51 Hz
35 Hz- 4.5 kHz
96.5 dB (2.83V/1M)
60 oz.
2-1/2", 63 mm
51 Hz
5.2 Ohms
38.37 mH
8.95
0.42
0.41
3
0.20 ft ,
91.6 liters
0.23 mm/N
12.84 T-m
35.2 grams
4.0mm
2
0.0531 m
3
1.0-2.1 ft , 28.3-59.5 liters
12-1/4", 310 mm
11-3/16", 284 mm
fitted as standard
fitted as standard
4-7/8", 123 mm
Earthquake
EQ128 Pro Audio Series
Earthquake Sound Corporation
2727 McCone Avenue • Hayward, CA 94545 • United States
US Toll Free 1-800-576-7944 • Tel: 510-732-1000 • fax: 510-732-1095
www.earthquakesound.com
Sound That Will Move You.