KC8WF-5A
Key Features:
  • 8" (205mm), 5 ohm
  • Woofer, 40 watts
  • Ferrite magnet, Polypropylene cone with foam surround
  • RoHS compliant

Primary Specifications

Speakers Environment Outdoor
ROHS Compliant Yes

Technical Specifications

UNIT of MEASURE
Nominal Basket Diameter 8.0 / 205.0 inch / mm
Rated Impedance 5 ohms
Rated Power 40.0 Watts
Program Power 80 Watts
Frequency Range 40 - 5,000 Hz
Sensitivity
(2.83 V input measured at 1 Meter)
92 dB SPL
Voice Coil Diameter 1.0 / 25.4 inch / mm
Magnet Weight 12.0 / 341 oz / gr
Transformer

Small Signal Parameters

UNIT of MEASURE
Resonant Frequency (fo) 40 Hz
D.C. Resistance (Re) 4.2 ohms
Mechanical Q (Qms) 6.1
Electrical Q (Qes) 0.56
Total Q (Qts) 0.58
Compliance Equivalent Volume (Vas) 55.5 ltr
BL Product (BL) 5.6 T-M
Maximum Linear Excursion (Xmax) 4.6 mm
Surface Area of Cone (Sd) 214.0 cm2
Moving Mass (Mmd) g

Material Descriptions

 
Basket Stamped Steel
Terminal Size 0.205 X 0.02
Magnet Ferrite
Voice Coil Wire Aluminum
Voice Coil Form Aluminum
Cone Polypropylene
Cone Edge Polyether Foam
Dust Cap Plastic
http://s3.amazonaws.com/misco/curves/KC8WF-5A.JPG
ID Description Measurements Tolerance
OD Outside Diameter 8.2 in. +/- 0.040”
CD Cutout Diameter 7.2 in. +/- 0.030”
MG Magnet Diameter 3.4 in. +/- 0.050”
HD Hole Diameter 0.4 in. +/- 0.020”
MD Mounting Diameter 7.8 in. +/- 0.020”
ID Internal Depth 3.3 in. Maximum
FT Flange Thickness 0.2 in. +/- 0.050”
NW Net Weight 1144.0 g
ceramic