MX-57
Key Features:
  • 5 X 7" (127X177mm), 4 ohm
  • Extended Range Music and Voice, 40 watts
  • Ferrite magnet, titanium electroplated polypropylene cone with Santoprene rubber surround;

Primary Specifications

Speakers Environment Indoor
ROHS Compliant No

Technical Specifications

UNIT of MEASURE
Nominal Basket Diameter 5.0 x 7.0 / 127.0 x 177.0 inch / mm
Rated Impedance 4 ohms
Rated Power 40.0 Watts
Program Power 80 Watts
Frequency Range 50 - 20000 Hz
Sensitivity
(2.83 V input measured at 1 Meter)
92 dB SPL
Voice Coil Diameter 1.0 / 25.4 inch / mm
Magnet Weight 10.0 / 284 oz / gr
Transformer

Small Signal Parameters

UNIT of MEASURE
Resonant Frequency (fo) 60 Hz
D.C. Resistance (Re) 2.9 ohms
Mechanical Q (Qms)
Electrical Q (Qes) 1.15
Total Q (Qts) 0.88
Compliance Equivalent Volume (Vas) 13.1 ltr
BL Product (BL) T-M
Maximum Linear Excursion (Xmax) 4.7 mm
Surface Area of Cone (Sd) cm2
Moving Mass (Mmd) g

Material Descriptions

 
Basket Stamped Steel
Terminal Size 0.205 x 0.02
Magnet Ferrite
Voice Coil Wire Copper
Voice Coil Form Kapton
Cone Titanium Electroplated Polypropylene
Cone Edge Santoprene Rubber
Dust Cap Felt
ID Description Measurements Tolerance
OD Outside Diameter +/- 0.040”
CD Cutout Diameter +/- 0.030”
MG Magnet Diameter +/- 0.050”
HD Hole Diameter +/- 0.020”
MD Mounting Diameter 6.3 in. +/- 0.020”
ID Internal Depth Maximum
FT Flange Thickness +/- 0.050”
NW Net Weight
ceramic