Creating Professional Audio Solutions Since 1949 3" (77 mm) Square, Ring Magnet Mini-Woofer
- MSRP$33.74
- Buy 1 - 4$22.49
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From gaming applications, to music, to medical devices, the 93025 mini-woofer emits big sounds from a compact, easy to mount driver. 20 watts of continuous power, a neodymium ring magnet, a flat polypropylene cone, and a panel for added mass ensures that your system’s lowest sounds are heard – both indoors and outdoors. Pair those features with a 3” square steel basket, and you have a speaker ready to give your listeners the sound they deserve.
- Mini-woofer
- 3” (77 mm) basket diameter
- 20 watts, 8 ohms, 84 dB SPL
- 0.8" aluminum voice coil, kapton former
- Neodymium ring magnet, stamped steel basket
- Flat polypropylene cone, rubber surround
MISCO engineers use the world's most sophisticated loudspeaker measurement systems including the Klippel Analyzer to maximize and validate the speaker's design, as well as the Klippel QC module to ensure perfect unit to unit consistency and reliability.
Pair this woofer with one of our MISCO Amplifiers.
Download Product Specifications (PDF) »
| Brand Name | Oaktron by MISCO |
|---|---|
| Model # | 77-MB04-01 |
| Size, Nominal (inch & mm) | 3" (77 mm) |
| Shape of Speaker | Square |
| Speaker Type | Woofer |
| Application | Arcade Gaming, Casino Gaming, Medical, Musical Instruments |
| Environment | Outdoor / Indoor |
| RoHS Compliant | Yes |
| Nominal Impedance (Z) (Ω) | 4 |
| Rated Power IEC268-5 (W) | 20 Watts |
| Rated Impedance (Ω) | 4 |
| Continuous Power (W) | 20 |
| Program Power (W) | 40 |
| Frequency Range (Hz) | 125 - 20,000 |
| Sensitivity (dB SPL) ¹ | 84 |
| Resonant Frequency (Fs) (Hz) | 72 |
| DC Resistance (Re) (Ω) | 3.3 |
| Voice Coil Inductance (Le) (mH) | 0.48 |
| Mechanical Q Factor (Qms) | 5.51 |
| Electrical Q Factor (Qes) | 0.77 |
| Total Q Factor (Qts) | 0.67 |
| Mechanical Resistance (Rms) (kg/s) | 0.81 |
| Compliance Equivalent Volume (Vas) (L) | 0.60 |
| Suspension Compliance (Cms) (mm/N) | 0.50 |
| Surface Area of Diaphragm (Sd) (cm²) | 29.2 |
| Moving Mass (Mms) (gm) | 9.9 |
| Magnetic Gap Height (mm) | 4 |
| Coil Winding Height (mm) | 9.1 |
| Maximum Linear Excursion (Xmax) (mm) | 2.6 |
| Motor Force Factor (BL) (T•M) | 4.4 |
| Efficiency (η₀) (%) | 0.03 |
| Efficiency Bandwidth Product (EBP) (Fs/Qes) | 93.3 |
| Basket Type | Stamped steel, clear zinc plated |
| Terminal Size (mm) | 5.2 x 0.5 mm |
| Voice Coil Diameter (mm) | 19.3802 |
| Voice Coil Wire Material | Aluminum |
| Voice Coil Former Material | Kapton |
| Voice Coil Winding | 4 layer, round wire |
| Magnet Material | Neodymium |
| Magnet Weight (gm) | 1.89 |
| Cone Body Material | Polypropylene |
| Cone Surround Material | Natural rubber |
| Dust Cap Material | Paper |
| Spider Material | Cotton / polyester |
| Net Weight (kg) | 0.25 |
| Technical Notes | ¹Sensitivity is measured with 2.83 volt input, measured on-axis at 1 meter distance |