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Model #57RA08-3LS

57RA08-3LS
Key Features:
  • 2.2" (57mm)8 ohm Voice Range .2 watts Alnico magnet paper cone RoHS Compliant

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Product Specifications & Parameters

Primary Specficiations

 
Speakers EnvironmentIndoor
ROHS CompliantYes

Technical Specifications

UNIT of MEASURE
Nominal Basket Diameter 2.2 / 57.0 inch / mm
Rated Impedance8 ohms
Rated Power0.2 Watts
Program Power0 Watts
Frequency Range350 - 4000 Hz
Sensitivity
(2.83 V input measured at 1 Meter)
92dB SPL
Voice Coil Diameter0.6 / 15.2inch / mm
Magnet Weight0.35 / 10.0oz / gr

Small Signal Parameters

UNIT of MEASURE
Resonant Frequency (fo)350Hz
D.C. Resistance (Re)7.8ohms
Mechanical Q (Qms)
Electrical Q (Qes)
Total Q (Qts)10.0
Compliance Equivalent Volume (Vas) ltr
BL Product (BL) T-M
Maximum Linear Excursion (Xmax) mm
Surface Area of Cone (Sd) cm2

Material Descriptions

 
BasketStamped Steel
Terminal Size
MagnetAlnico
Voice Coil WireCopper
Voice Coil Form
ConePaper
Cone Edge
Dust Cap

Drawing

ID Description MeasurementsTolerance
OD Outside Diameter +/- 0.020”
CD Cutout Diameter +/- 0.020”
MG Magnet Diameter +/- 0.050”
HD Hole Diameter +/- 0.010”
MD Mounting Diameter +/- 0.010”
ID Internal Depth +/- 0.025”
FT Flange Thickness +/- 0.050”
NW Net Weight
neodymium

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