Professional Audio Solutions Since 1949 5.25 Inch (133 mm), 4 Ohm Coaxial Speaker
Brand Name
Red Line
Model #
133-CX04-01
Part #
93080
In stock
$41.99
The 93080 is a high-power, 5.25” extended range speaker with a coaxially mounted PEI dome tweeter. This versatile Red Line model works well in both sealed and vented enclosures in cars and motorcycle, showcasing ideal water resistance and impressive durability.
- 5.25" (133 mm) steel basket diameter
- 50 watt, 4 ohm, 89 dB SPL
- 1" copper voice coil, Kapton former
- PEI dome tweeter, coaxially mounted
- Polypropylene cone, ferrite magnet
MISCO engineers test and analyze the performance of these speakers using the world's most sophisticated loudspeaker measurement systems including the Klippel Analyzer and the Klippel QC, which confirm the final design.
Download Product Specifications (PDF) »
| Brand Name | Red Line |
|---|---|
| Model # | 133-CX04-01 |
| Size, Nominal (inch & mm) | 5" (127 mm) |
| Shape of Speaker | Other |
| Speaker Type | Coaxial |
| RoHS Compliant | Yes |
| Nominal Impedance (Z) (Ω) | 4 |
| Rated Power IEC268-5 (W) | 50 Watts |
| Rated Impedance (Ω) | 4 |
| Continuous Power (W) | 50 |
| Program Power (W) | 100 |
| Frequency Range (Hz) | 80 - 20,000 |
| Sensitivity (dB SPL) ¹ | 89 |
| Resonant Frequency (Fs) (Hz) +/- 15% | 100 |
| DC Resistance (Re) (Ω) | 3.6 |
| Voice Coil Inductance (Le) (mH) | 0.24 |
| Mechanical Q Factor (Qms) | 5.54 |
| Electrical Q Factor (Qes) | 0.91 |
| Total Q Factor (Qts) | 0.78 |
| Mechanical Resistance (Rms) (kg/s) | 1.04 |
| Compliance Equivalent Volume (Vas) (L) | 3.19 |
| Suspension Compliance (Cms) (mm/N) | 0.26 |
| Surface Area of Diaphragm (Sd) (cm²) | 93.31 |
| Moving Mass (Mms) (gm) | 8.58 |
| Motor Force Factor (BL) (T•M) | 4.8 |
| Efficiency (η₀) (%) | 0.41 |
| Efficiency Bandwidth Product (EBP) (Fs/Qes) | 11.50 |
| Basket Type | Stamped steel |
| Terminal Size (mm) | 6.4 x 0.8 / 4.7 x 0.5 |
| Voice Coil Diameter (mm) | 25.781 |
| Voice Coil Wire Material | High temperature copper |
| Voice Coil Former Material | Kapton |
| Voice Coil Winding | Single Layer |
| Magnet Material | Ferrite |
| Magnet Weight (g) | 263.65 |
| Cone Body Material | Polypropylene, mica filled |
| Cone Surround Material | Cloth |
| Spider Material | Cloth |
| Net Weight (kg) | 0.89 |
| Technical Notes | ¹ Sensitivity is measured with 2.83 volt input, measured on-axis at 1 meter distance |