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The Dayton Audio DS215-8 is a woofer from the Designer Series range, designed to combine extended reproduction with easy integration into various types of speakers. Its aesthetic basket with a discreet rim allows front mounting without recessing, while the treated paper cone and half-roll rubber surround ensure consistent and durable reproduction.
Optimized to reach a low –3 dB point and a high output level in a reasonable volume, it maintains a progressive frequency response that simplifies crossover design and allows the use of standard crossovers. Its vented pole piece limits thermal compression and improves reliability, while its generous Xmax allows a slight bass emphasis without exceeding the mechanical limits of the woofer. Finally, its finish echoes the visual identity of Dayton Audio's DVC subwoofers and passive radiators, making it easy to create a cohesive set.

Technical specifications
| Specifications | |
|---|---|
| Product type | Woofer |
| Impedance | 8Ω |
| Sensitivity | 89.9dB 2.83V/1m |
| Frequency response | 35Hz-4000Hz |
| Voice coil diameter | 3.86cm (1.52") |
| Nominal diameter | Ø20.32cm (8") |
| Power | RMS: 80W MAX: 160W |
| Thiele-Small parameters | |
|---|---|
| Resonance frequency (Fs) | 34.3Hz |
| Cone surface area (Sd) | 211.2cm² |
| Voice coil inductance (LE) | 1.25mH |
| DC resistance (Re) | 5.8Ω |
| Mechanical quality coefficient (Qms) | 1.75 |
| Electromagnetic quality coefficient (Qes) | 0.38 |
| Total quality coefficient (Qts) | 0.31 |
| Force factor (BL) | 9.89T·m |
| Total moving mass + air load on the cone (Mms) | 29.7g |
| Mechanical compliance of suspension (Cms) | 0.72mm/N |
| Compliance equivalent volume (Vas) | 1.52ft³ |
| Max linear excursion (Xmax) | 5.5mm |
| Mounting informations | |
|---|---|
| Cutout diameter | 18cm (7.09") |
| Depth | 9.55cm (3.76") |
| Number of mounting holes | 5 |
| Total external diameter | 21.59cm (8.5") |
| Materials | |
|---|---|
| Diaphragm | Treated paper |
| Magnet | Ferrite |
| Frame | Steel |
| Surround | Rubber |
| Voice coil wire | Copper |
| General | |
|---|---|
| Weight | 3.19kg |
| Package | Sold individually |
| Speaker Power (W RMS) | 80.0 |
| Speaker Type | Woofer |
| Impedance (Ω) | 8 |
| Loudspeaker diameter (mm) | 203.2 |
| Diaphragm type | Paper |
| Efficiency / Sensitivity (dB) | 89.9 |
| Max Linear Excursion (Xmax) (mm) | 5.5 |
| Lowest frequency (Hz) | 35 |
| Highest frequency (Hz) | 4000 |