OC12WF-8B
Key Features:
  • 12" (304 mm), 8 ohm
  • Woofer, 100 watts
  • Ferrite magnet, paper cone with polyether foam surround;

Primary Specifications

Speakers Environment Indoor
ROHS Compliant No

Technical Specifications

UNIT of MEASURE
Nominal Basket Diameter 12.0 / 304.0 inch / mm
Rated Impedance 8 ohms
Rated Power 100.0 Watts
Program Power 200 Watts
Frequency Range 30 - 1500 Hz
Sensitivity
(2.83 V input measured at 1 Meter)
93 dB SPL
Voice Coil Diameter 2.0 / 50.8 inch / mm
Magnet Weight 38.0 / 1079 oz / gr
Transformer

Small Signal Parameters

UNIT of MEASURE
Resonant Frequency (fo) 34 Hz
D.C. Resistance (Re) 7.1 ohms
Mechanical Q (Qms) 7.4
Electrical Q (Qes) 0.44
Total Q (Qts) 0.42
Compliance Equivalent Volume (Vas) 221.3 ltr
BL Product (BL) 11.5 T-M
Maximum Linear Excursion (Xmax) 5.8 mm
Surface Area of Cone (Sd) 523.0 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 Paper
Cone Edge Polyether Foam
Dust Cap Paper
http://s3.amazonaws.com/misco/curves/OC12WF-8B.JPG?1345610662
ID Description Measurements Tolerance
OD Outside Diameter 12.2 in. +/- 0.040”
CD Cutout Diameter 11.0 in. +/- 0.030”
MG Magnet Diameter 5.3 in. +/- 0.050”
HD Hole Diameter 0.3 in. +/- 0.020”
MD Mounting Diameter 11.6 in. +/- 0.020”
ID Internal Depth 5.3 in. Maximum
FT Flange Thickness 0.23 in. +/- 0.050”
NW Net Weight 3816.0 g
ceramic