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DAYTON AUDIO PC68-8 Speaker Driver Full Range
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Dayton Audio PC68-8 Speaker Driver Full Range 20W 8 Ohm 86dB 110Hz-17kHz Ø6.3cm
The Dayton Audio PC68-8 is a full-range speaker driver featuring a damped poly composite (woven glass fiber) cone, rubber suspension and high-energy motor. Offering excellent full-spectrum performance, controlled off-axis response and high efficiency, this loudspeaker delivers impressive power for its size. Perfect for use in line arrays, soundbars, portable speakers or even car audio. The Dayton Audio will deliver high-fidelity, low-distortion sound for compact applications, all at exceptional value for money.
Technical characteristics
| Specifications | |
|---|---|
| Speaker driver type | Full range |
| Nominal diameter | Ø63.5mm (2.5") |
| Power handling | RMS : 20W Max : 40W |
| Impedance | 8Ω |
| Frequency response | 110Hz - 17kHz |
| Sensitivity | 85.6dB @ 2.83V/1m |
| Voice coil diameter | Ø19.05mm (0.75") |
| Weight | 295g |
| Total outer dimensions | 68 x 68 x 37mm |
| Magnet weight | - |
| Thiele-Small parameters | |
|---|---|
| Resonant frequency (fS) | 109Hz |
| DC resistance (RE) | 6.9Ω |
| Voice coil inductance (LE) | 0.47mH |
| Mechanical quality factor (QMS) | 2.27 |
| Electrical quality factor (QES) | 0.88 |
| Total quality factor (QTS) | 0.64 |
| Compliance equivalent volume (VAS) | 1.3L (0.05ft³) |
| Mechanical compliance of suspension (CMS) | 1.05mm/N |
| Force factor (B·l) | 3.3T·m |
| Mechanical resistance (RMS) | 0.6N·s/m |
| Diaphragm mass inc. airload (MMS) | 2g |
| Moving mass (MMD) | 1.9g |
| Max linear excursion (XMAX) | 2mm |
| Air volume displaced at Xmax (VD) | 4.2cm³ |
| Efficiency (η₀) | - |
| Bandwidth efficiency (EBP) | - |
| Cone surface area (SD) | 21cm² |
| Materials | |
|---|---|
| Cone | Poly composite (glass fiber) |
| Surround | Rubber |
| Voice coil wire | CCA (Copper) |
| Voice coil former | Aluminum |
| Frame | Steel |
| Magnet | Ferrite |
| Mounting informations | |
|---|---|
| External dimensions | 68 x 68 x 37mm |
| Cutout diameter | Ø64mm (2.52") |
| Depth | 37.1mm (1.46") |
| Bolt circle diameter | - |
| Number of mounting holes | 4 |
| Optimum cabinet size | |
|---|---|
| Sealed volume | 1.7L (0.06ft³) |
| Sealed F3 | 145Hz |
| Vented volume | 0.2.8L (0.1ft³) |
| Vented F3 | 77Hz |
| Speaker Power (W RMS) | 20.0 |
| Speaker Type | Full range |
| Impedance (Ω) | 8 |
| Loudspeaker diameter (mm) | 63.0 |
| Diaphragm type | Glass fiber |
| Diaphragm type | Composite alloy |
| Efficiency / Sensitivity (dB) | 86.0 |
| Max Linear Excursion (Xmax) (mm) | 2.0 |
| Lowest frequency (Hz) | 110 |
| Highest frequency (Hz) | 17000 |
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