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A153C20/4
SPEAKER MODEL
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A153C20/4
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Specifications
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Nominal diameter
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380mm / 15"
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Rated Impedance
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4 ohms
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AES Continuous Pink Noise Power
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600 W
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Sensitivity
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97.5 dB SPL 1w / 1m
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Frequency Range
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40Hz - 3.5kHz
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MAX Recomm. Frequency
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2.5 kHz
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Efective Piston Diameter
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330mm / 13.2 in
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Voice Coil Winding Material
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Edgewound copper ribbon
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Voice Coil
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Winding Depth
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20mm / 0.79in
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Voice Coil Diameter
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75mm / 3"
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Magnetic Gap Depth
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7mm / 0.28in
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Magnetic Assembly
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Weight
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5.4 kg / 13.5 lbs
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Flux Density
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1.3 T
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Bl Factor
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21.8 T*m
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Effective Moving Mass
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0.089 kg
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Thiele-Small Parameters
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Free Air Resonanace (Fs)
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38.0 Hz
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D.C. Coil Resistance (Re)
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3.4 (4) ohms
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Total Quality Factor (Qts)
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0.33
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Mechanical Losses (Qms)
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6.2
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Electrical Losses (Qes)
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0.35
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Equivalent Volume of Air (Vas)
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208.0 Liters
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Effective Pistone Area (Sd)
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855 sq.cm
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Excursion (Xmax)
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+/- 6.0 mm
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Max. Power Rating (Pe)
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300W RMS sine wave
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Inductance of V.C. (Le)
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Efficiency (No)
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2.76%
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Mounting Information
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Overall Diameter
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390mm / 15.35 in
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Overall Depth
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142mm / 5.6 in
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Bolt Circle Diameter
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372mm / 14.65 in
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Baffle Cuotour Diameter
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Front Mount
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355mm / 13.97 in
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Rear Mount
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347mm / 13.65 in
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Net Weight
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7.4 kg / 18.5 lbs
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Shipping Weight
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8.4 kg / 21 lbs
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