EC3SQW-8A
Key Features:
  • 3" (76mm), 8 ohm
  • Full range, 10 watts
  • Ferrite magnet, Polypropylene cone with rubber surround;

Primary Specifications

Speakers Environment Outdoor
ROHS Compliant Yes

Technical Specifications

UNIT of MEASURE
Nominal Basket Diameter 3.0 / 76.0 inch / mm
Rated Impedance 8 ohms
Rated Power 10.0 Watts
Program Power 20 Watts
Frequency Range 80 - 15,000 Hz
Sensitivity
(2.83 V input measured at 1 Meter)
83 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) 88 Hz
D.C. Resistance (Re) 6.2 ohms
Mechanical Q (Qms) 2.3
Electrical Q (Qes) 0.76
Total Q (Qts) 0.57
Compliance Equivalent Volume (Vas) 1.6 ltr
BL Product (BL) 3.3 T-M
Maximum Linear Excursion (Xmax) 0.7 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 Aluminum
Cone Polypropylene
Cone Edge Rubber
Dust Cap Polypropylene
http://s3.amazonaws.com/misco/curves/EC3SQW-8A.JPG
ID Description Measurements Tolerance
OD Outside Diameter 3.3 in. +/- 0.040”
CD Cutout Diameter 2.9 in. +/- 0.030”
MG Magnet Diameter 2.3 in. +/- 0.050”
HD Hole Diameter 0.2 in. +/- 0.020”
MD Mounting Diameter 3.6 in. +/- 0.020”
ID Internal Depth 1.4 in. Maximum
FT Flange Thickness 0.15 in. +/- 0.050”
NW Net Weight 302.0 g
ceramic