MISCO Oaktron 25 TD08 01 1/4 Ohm (93021) Speaker - High Performance Audio Component for Car Audio & Home Theater Systems
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Description
The 93021 is a silk dome tweeter made for indoor systems, providing both high output, and smooth, low-distortion sound. A low resonant frequency design makes this tweeter easy to pair with high-quality woofers as well. Use this product to create top-notch line arrays within close-fitting spaces.
- Tweeter
- 1” (25 mm) basket diameter
- 20 watts, 4 ohms, 90 dB SPL
- High energy neodymium magnet
- Silk dome
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.
| Brand Name | Oaktron by MISCO |
|---|---|
| Model # | 25-TD08-01 |
| Size, Nominal (inch & mm) | 1" |
| Shape of Speaker | Round |
| Speaker Type | Tweeter |
| Environment | 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) | 650 - 20,000 |
| Sensitivity (dB SPL) ¹ | 90 |
| Resonant Frequency (Fs) (Hz) | 650 |
| DC Resistance (Re) (Ω) | 3.6 |
| Voice Coil Inductance (Le) (mH) | 0.001 |
| Mechanical Q Factor (Qms) | 0.73 |
| Electrical Q Factor (Qes) | 1.55 |
| Total Q Factor (Qts) | 0.72 |
| Mechanical Resistance (Rms) (kg/s) | 0.30 |
| Compliance Equivalent Volume (Vas) (L) | 0.01 |
| Suspension Compliance (Cms) (mm/N) | 0.87 |
| Surface Area of Diaphragm (Sd) (cm²) | 7.1 |
| Moving Mass (Mms) (gm) | 0.3 |
| Motor Force Factor (BL) (T•M) | 1.9 |
| Efficiency (η₀) (%) | 0.01 |
| Efficiency Bandwidth Product (EBP) (Fs/Qes) | 418.8 |
| Basket Type | ABS, black finish |
| Voice Coil Diameter (mm) | 25.4 |
| Voice Coil Wire Material | Copper |
| Voice Coil Former Material | Aluminum |
| Voice Coil Winding | Single Layer |
| Magnet Material | Neodymium |
| Magnet Weight (gm) | 20.4 |
| Cone Body Material | Silk |
| Net Weight (kg) | 0.07 |
| Technical Notes | ¹ Sensitivity is measured with 2.83 volt input, measured on-axis at 1 meter distance |
