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The Dayton Audio CE65W-8 is a compact 2-1/2" (Ø63.5 mm) full-range speaker designed for applications requiring extended sound reproduction in a reduced form factor. It features a woven fiberglass diaphragm providing a wide frequency response, combined with a rubber surround and a large flat spider ensuring good mechanical durability. Its shielded magnetic motor allows use near sensitive electronic equipment, while its optimized magnetic structure ensures efficient diaphragm control and dynamic sound reproduction. With a nominal impedance of 8Ω, an RMS power handling of 7W, a sensitivity of 83dB (2.83V/1m), and a frequency response ranging from 105Hz to 16kHz, the CE65W-8 is a suitable solution for compact speakers, multimedia systems, embedded audio devices, and DIY projects requiring a versatile and space-saving full-range transducer.

With its 2-1/2" nominal diameter and compact form factor, the Dayton Audio CE65W-8 easily integrates into numerous small audio projects. Its robust design combines a woven fiberglass diaphragm, a rubber surround, and a large flat spider to ensure reliable mechanical performance and stable reproduction across a wide frequency range.
The CE65W-8 features a shielded magnetic structure allowing use near displays or other sensitive electronic components. Its large motor contributes to improved diaphragm control and transducer efficiency, while its 20mm voice coil allows a maximum linear excursion of 2mm.
Thanks to its 105Hz to 16kHz frequency response, 8Ω impedance, and 7W RMS power handling, the CE65W-8 is perfectly suited for compact speakers, multimedia audio systems, DIY electronic projects, and other applications requiring an affordable and high-performance full-range speaker.
Technical specifications
| Specifications | |
|---|---|
| Product type | Full-range speaker |
| Nominal diameter | Ø6.35cm (2-1/2") |
| Power | RMS: 7W Max: 15W |
| Impedance | 8Ω |
| Frequency response | 80Hz - 17000Hz |
| Sensitivity | 82dB 2.83V/1m |
| Voice coil diameter | Ø19.05mm (0.75") |
| Thiele-Small Parameters | |
|---|---|
| Resonant frequency (Fs) | 112Hz |
| DC resistance (Re) | 6.9Ω |
| Voice coil inductance (Le) | 0.15mH |
| Mechanical quality factor (Qms) | 4.27 |
| Electromagnetic quality factor (Qes) | 0.95 |
| Total quality factor (Qts) | 0.78 |
| Equivalent air volume of the moving mass compliance (Vas) | 0.021ft³ |
| Mechanical compliance of the suspension (Cms) | 1.01mm/N |
| Force factor (BL) | 3.2T·m |
| Moving mass + air load on diaphragm (Mms) | 2g |
| Maximum linear excursion (Xmax) | 2mm |
| Diaphragm surface area (Sd) | 20.1cm² |
| Materials | |
|---|---|
| Diaphragm material | Fiberglass |
| Surround material | Rubber |
| Voice coil wire material | Copper |
| Basket / frame material | Steel |
| Magnet material | Ferrite |
| Mounting information | |
|---|---|
| Overall external diameter | Ø83.31mm (3.28") |
| Cutout diameter | Ø58.93mm (2.32") |
| Depth | 45.21mm (1.78") |
| Number of mounting holes | 4 |
| Mounting circle diameter | Ø73.66mm (2.9") |
| Recommended enclosure volume | |
|---|---|
| Sealed enclosure | 1.13L (0.04ft³) |
| F3 Sealed enclosure | 127Hz |
| Bass reflex enclosure | 2.83L (0.1ft³) |
| F3 Bass reflex enclosure | 68Hz |
| Speaker Type | Full range |
| Impedance (Ω) | 8 |
| Loudspeaker diameter (mm) | 63.0 |
| Diaphragm type | Glass fiber |
| Efficiency / Sensitivity (dB) | 83.0 |
| Max Linear Excursion (Xmax) (mm) | 2.0 |
| Lowest frequency (Hz) | 80 |
| Highest frequency (Hz) | 17000 |