Model #66SF04-1
Product Specifications & Parameters
Primary Specifications
| | |
|---|
| Speakers Environment | Indoor | |
| ROHS Compliant | Yes | |
Technical Specifications
| | UNIT of MEASURE |
|---|
| Nominal Basket Diameter |
2.5 / 66.0 |
inch / mm |
| Rated Impedance | 4 | ohms |
| Rated Power | 3 | Watts |
| Program Power | 6 | Watts |
| Frequency Range | 250 - 18000 | Hz |
Sensitivity
(2.83 V input measured at 1 Meter) | 86 | dB SPL |
| Voice Coil Diameter | 0.6 / 15.2 | inch / mm |
| Magnet Weight | 1.7 / 48 | oz / gr |
Small Signal Parameters
| | UNIT of MEASURE |
|---|
| Resonant Frequency (fo) | 250 | Hz |
| D.C. Resistance (Re) | 3.6 | ohms |
| Mechanical Q (Qms) | 5.0 | |
| Electrical Q (Qes) | 3.53 | |
| Total Q (Qts) | 2.07 | |
| Compliance Equivalent Volume (Vas) | 0.3 | ltr |
| BL Product (BL) | 1.3 | T-M |
| Maximum Linear Excursion (Xmax) | | mm |
| Surface Area of Cone (Sd) | 22.0 | cm2 |
Material Descriptions
| |
|---|
| Basket | Stamped Steel |
| Terminal Size | .110 X .020 |
| Magnet | Ferrite |
| Voice Coil Wire | Copper |
| Voice Coil Form | Paper |
| Cone | Paper |
| Cone Edge | Cloth |
| Dust Cap | Mylar |
Sensitivity / Frequency
Drawing
| ID | Description | Measurements | Tolerance |
|---|
| OD | Outside Diameter | 2.7 in. | +/- 0.020” |
| CD | Cutout Diameter | 2.6 in. | +/- 0.020” |
| MG | Magnet Diameter | 1.8 in. | +/- 0.050” |
| HD | Hole Diameter | 0.18 in. | +/- 0.010” |
| MD | Mounting Diameter | 2.9 in. | +/- 0.010” |
| ID | Internal Depth | 1.04 in. | +/- 0.025” |
| FT | Flange Thickness | 0.12 in. | +/- 0.050” |
| NW | Net Weight | 135.0 g |
© 2005-2012. Misco Speaker Company. All rights reserved.
