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The Dayton Audio RS75T-8 is a 7.62cm (3") full-range speaker designed for compact speakers, line arrays and MTM configurations requiring minimal spacing between the drivers. Its low-distortion motor combines a copper ring and cap with an aluminum phase plug, in order to limit distortion and preserve clarity across its entire operating range.
Its four-point cast aluminum frame adopts a truncated shape, making it easier to integrate into close-spaced arrangements, while the black anodized aluminum cone and rubber surround provide a construction suited to demanding use. The gold-plated terminals simplify connection; the whole is suitable for speakers where compactness, definition and low distortion are required.

Technical specifications
| Specifications | |
|---|---|
| Product type | Full-range speaker |
| Impedance | 8Ω |
| Sensitivity | 84.3dB 2.83V/1m |
| Frequency response | 170Hz-20kHz |
| Voice coil diameter | 1.6cm (0.63") |
| Nominal diameter | 7.62cm (3") |
| Power | RMS: 15W MAX: 30W |
| Thiele-Small parameters | |
|---|---|
| Resonance frequency (Fs) | 189Hz |
| Cone surface area (Sd) | 12cm² |
| Voice coil inductance (Le) | 0.32mH |
| DC resistance (Re) | 6.1Ω |
| Mechanical quality coefficient (Qms) | 5.84 |
| Electromagnetic quality coefficient (Qes) | 1.13 |
| Total quality coefficient (Qts) | 0.95 |
| Force factor (BL) | 2.58T·m |
| Total moving mass + air load on the cone (Mms) | 1g |
| Mechanical compliance of suspension (Cms) | 0.69mm/N |
| Compliance equivalent volume (Vas) | 0.01ft³ |
| Max linear excursion (Xmax) | 1.3mm |
| Mounting informations | |
|---|---|
| Cutout diameter | 5.41cm (2.13") |
| Depth | (1.52") |
| Number of mounting holes | 4 |
| Total external diameter | (2.83") |
| Materials | |
|---|---|
| Diaphragm | Aluminium |
| Magnet | Ferrite |
| Frame | Cast aluminium |
| Surround | Rubber |
| General | |
|---|---|
| Weight | 280g |
| Package | Sold individually |
| Speaker Power (W RMS) | 15.0 |
| Speaker Type | Full range |
| Impedance (Ω) | 8 |
| Loudspeaker diameter (mm) | 76.2 |
| Diaphragm type | Aluminium |
| Efficiency / Sensitivity (dB) | 84.3 |
| Max Linear Excursion (Xmax) (mm) | 1.3 |
| Lowest frequency (Hz) | 170 |
| Highest frequency (Hz) | 20000 |