EC5S-4FR-I
Key Features:
  • 4-1/2" (115mm), 3.2 ohm
  • Voice Range, 6 watts
  • Ferrite magnet, flame retardant paper cone;

Primary Specifications

Speakers Environment Indoor
ROHS Compliant No

Technical Specifications

UNIT of MEASURE
Nominal Basket Diameter 4.5 / 115.0 inch / mm
Rated Impedance 3 ohms
Rated Power 6.0 Watts
Program Power 12 Watts
Frequency Range 150 - 6,000 Hz
Sensitivity
(2.83 V input measured at 1 Meter)
92 dB SPL
Voice Coil Diameter 0.8 / 20.3 inch / mm
Magnet Weight 3.0 / 85 oz / gr
Transformer

Small Signal Parameters

UNIT of MEASURE
Resonant Frequency (fo) 180 Hz
D.C. Resistance (Re) 3.0 ohms
Mechanical Q (Qms)
Electrical Q (Qes)
Total Q (Qts)
Compliance Equivalent Volume (Vas) ltr
BL Product (BL) T-M
Maximum Linear Excursion (Xmax) mm
Surface Area of Cone (Sd) cm2
Moving Mass (Mmd) g

Material Descriptions

 
Basket Stamped Steel
Terminal Size 0.19 X 0.02
Magnet Ferrite
Voice Coil Wire Copper
Voice Coil Form Aluminum
Cone Flame Retardant Paper
Cone Edge Flame Retardant Paper
Dust Cap Flame Retardant Paper
http://s3.amazonaws.com/misco/curves/EC5S-4FR-I.BMP?1393275405
ID Description Measurements Tolerance
OD Outside Diameter 4.7 in. +/- 0.040”
CD Cutout Diameter 4.4 in. +/- 0.030”
MG Magnet Diameter 2.4 in. +/- 0.050”
HD Hole Diameter 0.4 in. +/- 0.020”
MD Mounting Diameter 4.7 in. +/- 0.020”
ID Internal Depth 1.6 in. Maximum
FT Flange Thickness 0.1 in. +/- 0.050”
NW Net Weight 333.0 g
ceramic