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The Dayton Audio DS175-PR is a 16.5cm passive radiator designed to replace an existing model or fit a new speaker enclosure. It allows a lower tuning frequency to be achieved in a reduced volume. Its coated paper cone and rubber surround ensure a clean reproduction of low frequencies. Its stamped steel frame integrates a rear brace to reinforce its stability, while the M5 thread allows mass to be added in order to adjust the enclosure tuning. It has a resonance frequency of 24.5Hz and an emissive surface measuring 128.7cm².

Technical Specifications
| Specifications | |
|---|---|
| Product type | Passive radiator |
| Nominal diameter | 16.5cm |
| Thiele-Small Parameters | |
|---|---|
| Resonance frequency (Fs) | 24.5Hz |
| Cone surface area (Sd) | 128.7cm² |
| Mechanical quality factor (Qms) | 5.57 |
| Total moving mass + Air load on cone (Mms) | 36.6g |
| Mechanical compliance of suspension (Cms) | 1.15mm/N |
| Compliance equivalent volume (Vas) | 0.95ft³ |
| Max linear excursion (Xmax) | 8mm |
| Mounting informations | |
|---|---|
| Baffle cutout diameter | 14.3cm (5.63") |
| Depth | 4.78cm (1.88") |
| Total external diameter | 17.6cm (6.94") |
| Number of mounting holes | 5 |
| Materials | |
|---|---|
| Cone | Paper |
| Frame | Steel |
| General | |
|---|---|
| Weight | 0.32kg |
| Package | 1x Dayton Audio DS175-PR |
| Speaker Power (W RMS) | NC |
| Speaker Type | Passive Radiator |
| Impedance (Ω) | NC |
| Loudspeaker diameter (mm) | 165.0 |
| Diaphragm type | Paper |
| Efficiency / Sensitivity (dB) | N/A |
| Max Linear Excursion (Xmax) (mm) | 8.0 |
| Lowest frequency (Hz) | N/A |
| Highest frequency (Hz) | N/A |