FC4S
Key Features:
  • 4" (100mm), 8 ohm
  • Voice Range, 12 watts
  • Ferrite magnet, paper cone with paper surround;

Primary Specifications

Speakers Environment Indoor
ROHS Compliant No

Technical Specifications

UNIT of MEASURE
Nominal Basket Diameter 4.0 / 100.0 inch / mm
Rated Impedance 8 ohms
Rated Power 12.0 Watts
Program Power 24 Watts
Frequency Range 140 - 10000 Hz
Sensitivity
(2.83 V input measured at 1 Meter)
95 dB SPL
Voice Coil Diameter 0.8 / 20.3 inch / mm
Magnet Weight 4.8 / 136 oz / gr
Transformer

Small Signal Parameters

UNIT of MEASURE
Resonant Frequency (fo) 274 Hz
D.C. Resistance (Re) 6.0 ohms
Mechanical Q (Qms) 6.6
Electrical Q (Qes) 2.16
Total Q (Qts) 1.62
Compliance Equivalent Volume (Vas) ltr
BL Product (BL) T-M
Maximum Linear Excursion (Xmax) 0.3 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 Paper
Cone Edge Paper
Dust Cap Paper
http://s3.amazonaws.com/misco/curves/FC4S.JPG?1345610159
ID Description Measurements Tolerance
OD Outside Diameter 4.1 in. +/- 0.040”
CD Cutout Diameter 3.8 in. +/- 0.030”
MG Magnet Diameter 2.8 in. +/- 0.050”
HD Hole Diameter 0.2 in. +/- 0.020”
MD Mounting Diameter 4.7 in. +/- 0.020”
ID Internal Depth 1.4 in. Maximum
FT Flange Thickness 0.1 in. +/- 0.050”
NW Net Weight 453.0 g
ceramic