Description
MISCO Oaktron woofers like the 93027 are ideal as both driver replacements, and as the foundation of many DIY loudspeaker projects. High quality bass and a smooth frequency response makes this bookshelf speaker a great addition to gaming cabinets, home audio sound bars, and music sound systems with vented enclosures.
- Woofer
- 5.25” (133 mm) basket diameter
- 40 watts, 4 ohms, 89 dB SPL
- 1" copper voice coil, Kapton former
- Ferrite magnet, stamped steel frame
- Polypropylene cone, cloth surround
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 | Oaktron by MISCO |
|---|---|
| Model # | 127-WF04-01 |
| Size, Nominal (inch & mm) | 5" |
| Shape of Speaker | Round |
| Speaker Type | Woofer |
| Application | Arcade Gaming, High-End Audio and Home Theater, Home Audio, Musical Instruments |
| Environment | Indoor |
| RoHS Compliant | No |
| Nominal Impedance (Z) (Ω) | 4 |
| Rated Power IEC268-5 (W) | 40 Watts |
| Rated Impedance (Ω) | 4 |
| Continuous Power (W) | 40 |
| Program Power (W) | 80 |
| Frequency Range (Hz) | 80 - 7,000 |
| Sensitivity (dB SPL) ¹ | 89 |
| Resonant Frequency (Fs) (Hz) | 45 |
| DC Resistance (Re) (Ω) | 3.4 |
| Voice Coil Inductance (Le) (mH) | 0.32 |
| Mechanical Q Factor (Qms) | 4.60 |
| Electrical Q Factor (Qes) | 0.40 |
| Total Q Factor (Qts) | 0.36 |
| Mechanical Resistance (Rms) (kg/s) | 0.56 |
| Compliance Equivalent Volume (Vas) (L) | 5.97 |
| Suspension Compliance (Cms) (mm/N) | 1.09 |
| Surface Area of Diaphragm (Sd) (cm²) | 62.2 |
| Moving Mass (Mms) (gm) | 7.2 |
| Maximum Linear Excursion (Xmax) (mm) | 1.6 |
| Motor Force Factor (BL) (T•M) | 4.7 |
| Efficiency (η₀) (%) | 0.26 |
| Efficiency Bandwidth Product (EBP) (Fs/Qes) | 113.6 |
| Basket Type | Stamped steel |
| Terminal Size (mm) | 5.2 x 0.5 |
| Voice Coil Diameter (mm) | 25.4 |
| Voice Coil Wire Material | Copper |
| Voice Coil Former Material | Kapton |
| Voice Coil Winding | Single Layer |
| Magnet Material | Ferrite |
| Magnet Weight (gm) | 283.5 |
| Cone Body Material | Polypropylene |
| Cone Surround Material | Treated cloth |
| Dust Cap Material | Polypropylene |
| Net Weight (kg) | 0.88 |
| Technical Notes |
¹Sensitivity is measured with 2.83 volt input, measured on-axis at 1 meter distance; 2 Power testing per EIA-426 |