MISCO Oaktron 127 FR08 01 4.5" 8 Ohm Full Range Speaker (93078) - High Performance Audio for Home Theater, Car Audio & DIY Speaker Projects
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Description
When listening to your favorite music, you expect the sound to be pristine, unmarred by mechanical imperfections and acoustic inconsistencies. The 93078, a unique full-range loudspeaker, reproduces music as accurately as possible for high-end, single transducer systems without cross-over requirements.
To achieve this, MISCO designed the 93078 to stay faithful to the audio of original recordings. A sensitivity rating of 91 dB SPL means less power is required compared to other speakers this size. An organic hard fiber cone and cotton spider optimize this speaker’s dispersion and damping capacities as well, resulting in an ideal transient response. With an EBP rating of 116, this driver is best suited for vented enclosures, all to reproduce your music according to your preferences.
Oaktron by MISCO is a premium line of high performance, ready-to-ship transducers and drivers for a wide variety of applications. From elegantly simple to highly specialized designs for unique and demanding applications, there is an Oaktron loudspeaker perfectly suited for your needs.
| Brand Name | Oaktron by MISCO |
|---|---|
| Model # | 127-FR08-01 |
| Size, Nominal (inch & mm) | 4" |
| Shape of Speaker | Other |
| Speaker Type | Full Range |
| Application | Home Audio |
| Environment | Indoor |
| RoHS Compliant | Yes |
| Nominal Impedance (Z) (Ω) | 8 |
| Rated Power IEC268-5 (W) | 8 Watts |
| Rated Impedance (Ω) | 8 |
| Continuous Power (W) | 25 |
| Program Power (W) | 50 |
| Frequency Range (Hz) | 90 - 18,000 |
| Sensitivity (dB SPL) ¹ | 91 |
| Resonant Frequency (Fs) (Hz) | 78 |
| DC Resistance (Re) (Ω) | 6.6 |
| Voice Coil Inductance (Le) (mH) | 0.21 |
| Mechanical Q Factor (Qms) | 3.78 |
| Electrical Q Factor (Qes) | 0.67 |
| Total Q Factor (Qts) | 0.57 |
| Mechanical Resistance (Rms) (kg/s) | 0.39 |
| Compliance Equivalent Volume (Vas) (L) | 7.82 |
| Suspension Compliance (Cms) (mm/N) | 1.37 |
| Surface Area of Diaphragm (Sd) (cm²) | 63.6 |
| Moving Mass (Mms) (gm) | 3.0 |
| Magnetic Gap Height (mm) | 4.6 |
| Coil Winding Height (mm) | 5.1 |
| Maximum Linear Excursion (Xmax) (mm) | 0.3 |
| Motor Force Factor (BL) (T•M) | 3.8 |
| Efficiency (η₀) (%) | 0.54 |
| Efficiency Bandwidth Product (EBP) (Fs/Qes) | 116.8 |
| Basket Type | Stamped steel |
| Terminal Size (mm) | 2.8 x 0.5 mm |
| Voice Coil Diameter (mm) | 19.3802 |
| Voice Coil Wire Material | Aluminum |
| Voice Coil Former Material | Kapton |
| Voice Coil Winding | 2 layer, round wire |
| Magnet Material | Ferrite |
| Magnet Weight (gm) | 283.5 |
| Cone Body Material | Abaca fiber |
| Cone Surround Material | Treated cloth |
| Dust Cap Material | Paper composite |
| Spider Material | Cotton |
| Net Weight (kg) | 0.73 |
| Technical Notes | ¹ Sensitivity is measured with 2.83 volt input, measured on-axis at 1 meter distance |
