ECN3W-12B
Key Features:
  • 3" (77 mm), 12 ohm
  • 10 watts
  • Ferrite magnet, black acrylic treated paper cone with rubber surround
  • RoHS Compliant;

Primary Specifications

Speakers Environment Indoor
ROHS Compliant Yes

Technical Specifications

UNIT of MEASURE
Nominal Basket Diameter 3.0 / 77.0 inch / mm
Rated Impedance 12 ohms
Rated Power 10.0 Watts
Program Power 20 Watts
Frequency Range 100-20000 Hz
Sensitivity
(2.83 V input measured at 1 Meter)
83 dB SPL
Voice Coil Diameter 0.75 / 19.1 inch / mm
Magnet Weight 3.0 / 85 oz / gr
Transformer

Small Signal Parameters

UNIT of MEASURE
Resonant Frequency (fo) 108 Hz
D.C. Resistance (Re) 11.6 ohms
Mechanical Q (Qms) 2.9
Electrical Q (Qes) 0.8
Total Q (Qts) 0.63
Compliance Equivalent Volume (Vas) 1.4 ltr
BL Product (BL) 4.4 T-M
Maximum Linear Excursion (Xmax) 0.6 mm
Surface Area of Cone (Sd) 29.0 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 Black Acrylic Treated Paper
Cone Edge Natural Rubber
Dust Cap Paper
http://s3.amazonaws.com/misco/curves/ECN3W-12B.jpg?1345610045
ID Description Measurements Tolerance
OD Outside Diameter 3.1 in. +/- 0.040”
CD Cutout Diameter 2.8 in. +/- 0.030”
MG Magnet Diameter 2.3 in. +/- 0.050”
HD Hole Diameter 0.23 in. +/- 0.020”
MD Mounting Diameter 3.3 in. +/- 0.020”
ID Internal Depth 1.3 in. Maximum
FT Flange Thickness 0.1 in. +/- 0.050”
NW Net Weight 304.1 g
ceramic