MC12W-8A
Key Features:
  • 12.0" (304mm), 8 ohm
  • Woofer, 75 watts
  • Ferrite magnet, paper cone with cloth 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 75.0 Watts
Program Power 150 Watts
Frequency Range 30 - 4000 Hz
Sensitivity
(2.83 V input measured at 1 Meter)
94 dB SPL
Voice Coil Diameter 1.5 / 38.1 inch / mm
Magnet Weight 28.0 / 795 oz / gr
Transformer

Small Signal Parameters

UNIT of MEASURE
Resonant Frequency (fo) 40 Hz
D.C. Resistance (Re) 6.7 ohms
Mechanical Q (Qms) 8.2
Electrical Q (Qes) 0.54
Total Q (Qts) 0.51
Compliance Equivalent Volume (Vas) 208.9 ltr
BL Product (BL) 9.8 T-M
Maximum Linear Excursion (Xmax) 4.6 mm
Surface Area of Cone (Sd) 543.0 cm2
Moving Mass (Mmd) g

Material Descriptions

 
Basket Stamped Steel
Terminal Size .205 X 0.020
Magnet Ferrite
Voice Coil Wire Copper
Voice Coil Form Kapton
Cone Paper
Cone Edge Pre-treated Black Cloth
Dust Cap Paper
http://s3.amazonaws.com/misco/curves/MC12W-8A.JPG
ID Description Measurements Tolerance
OD Outside Diameter 12.2 in. +/- 0.040”
CD Cutout Diameter 11.1 in. +/- 0.030”
MG Magnet Diameter 4.6 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 2947.0 g
ceramic