Model #QC12W-8A
Product Specifications & Parameters
Primary Specficiations
| | |
| Speakers Environment | Indoor | |
| ROHS Compliant | Yes | |
Technical Specifications
| | UNIT of MEASURE |
| Nominal Basket Diameter |
12.0 / 304.0 |
inch / mm |
| Rated Impedance | 8 | ohms |
| Rated Power | 175.0 | Watts |
| Program Power | 350 | Watts |
| Frequency Range | 30 - 1000 | Hz |
Sensitivity (2.83 V input measured at 1 Meter) | 96 | dB SPL |
| Voice Coil Diameter | 2.5 / 63.5 | inch / mm |
| Magnet Weight | 55.0 / 1562.0 | oz / gr |
Small Signal Parameters
| | UNIT of MEASURE |
| Resonant Frequency (fo) | 45 | Hz |
| D.C. Resistance (Re) | 6.6 | ohms |
| Mechanical Q (Qms) | 1.8 | |
| Electrical Q (Qes) | 0.42 | |
| Total Q (Qts) | 0.34 | |
| Compliance Equivalent Volume (Vas) | 113.4 | ltr |
| BL Product (BL) | 14.4 | T-M |
| Maximum Linear Excursion (Xmax) | 6.4 | mm |
| Surface Area of Cone (Sd) | 539.0 | cm2 |
Material Descriptions
| |
| Basket | Cast Aluminum |
| Terminal Size | Gold Terminal Posts |
| Magnet | Ferrite |
| Voice Coil Wire | Copper |
| Voice Coil Form | Kapton |
| Cone | Paper |
| Cone Edge | Cloth |
| Dust Cap | Paper |
Sensitivity / Frequency
Drawing
| ID | Description | Measurements | Tolerance |
| OD | Outside Diameter | 12.4 in. | +/- 0.020” |
| CD | Cutout Diameter | 11.1 in. | +/- 0.020” |
| MG | Magnet Diameter | | +/- 0.050” |
| HD | Hole Diameter | 0.2 in. | +/- 0.010” |
| MD | Mounting Diameter | 11.75 in. | +/- 0.010” |
| ID | Internal Depth | 4.9 in. | +/- 0.025” |
| FT | Flange Thickness | 0.36 in. | +/- 0.050” |
| NW | Net Weight | 5604.0 |
© 2005-2010. Misco Speaker Company. All rights reserved.