77FN04-2
Key Features:
  • 3" (77mm), 4 ohm
  • Full Range, 5 watts
  • Neodymium magnet, paper cone with natural 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 4 ohms
Rated Power 5.0 Watts
Program Power 10 Watts
Frequency Range 110 - 15000 Hz
Sensitivity
(2.83 V input measured at 1 Meter)
84 dB SPL
Voice Coil Diameter 0.8 / 20.3 inch / mm
Magnet Weight 0.4 / 10 oz / gr
Transformer

Small Signal Parameters

UNIT of MEASURE
Resonant Frequency (fo) 110 Hz
D.C. Resistance (Re) 3.8 ohms
Mechanical Q (Qms) 2.9
Electrical Q (Qes) 1.3
Total Q (Qts) 0.9
Compliance Equivalent Volume (Vas) 0.8 ltr
BL Product (BL) 2.2 T-M
Maximum Linear Excursion (Xmax) 1.0 mm
Surface Area of Cone (Sd) 30.0 cm2
Moving Mass (Mmd) g

Material Descriptions

 
Basket Stamped Steel
Terminal Size 0.110 X 0.02 / 0.205 X 0.02
Magnet Neodymium
Voice Coil Wire Copper
Voice Coil Form Paper
Cone Paper
Cone Edge Natural Rubber
Dust Cap Paper
http://s3.amazonaws.com/misco/curves/77FN04-2.JPG?1345609731
ID Description Measurements Tolerance
OD Outside Diameter 3.2 in. +/- 0.040”
CD Cutout Diameter 2.8 in. +/- 0.030”
MG Magnet Diameter 1.1 in. +/- 0.050”
HD Hole Diameter 0.16 in. +/- 0.020”
MD Mounting Diameter 3.5 in. +/- 0.020”
ID Internal Depth 1.2 in. Maximum
FT Flange Thickness 0.1 in. +/- 0.050”
NW Net Weight 80.0 g
neodymium