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DAYTON AUDIO DMA58-PR Passive Radiator
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Dayton Audio E150HE-PR
Radiateur Passif Fibre de Carbone Ø139.7mm
Combining excellent performance with a reasonable price, the Dayton Audio Epique E150HE-PR passive radiator with carbon fiber diaphragm is the perfect companion for the MMAG subwoofers in the Epique range. Its carbon fiber diaphragm, custom-machined supension and cast aluminum bowl give this passive radiator a low resonant frequency (Fs), making it possible to use more compact speaker boxes.
When designing the E150HE-PR, Dayton Audio paid particular attention to optimizing the rubber suspension to ensure high linear excursion without limiting performance. Similarly, special care was taken with the spider.
The optimized profiles of the diaphragm and dome prevent distortion when the passive radiator is subjected to high stress, while considerably reducing distortion. Likewise, the sturdy cast-aluminum bowl is highly resistant to mechanical stress. Three discs allow perfect tuning of the passive radiator.
Technical characteristics
| Specifications | |
|---|---|
| Product type | Passive radiator |
| Nominal diameter | Ø139.7mm (5.5") |
| Mounting bolt diameter | Ø140mm |
| Parameters | ||||
|---|---|---|---|---|
| 0 disk | 1 disk | 2 disks | 3 disks | |
| Mmpr (g) | 76.5 | 109 | 138 | 167 |
| Fpr (Hz) | 30 | 24.9 | 22.1 | 20.1 |
| Qmpr | 3.33 | 3.98 | 4.48 | 4.93 |
| Vapr (L) | 4.81 | 4.81 | 4.81 | 4.81 |
| Cmpr (mm/N) | 0.38 | 0.38 | 0.38 | 0.38 |
| Rmpr (kg/s) | 4.29 | 4.29 | 4.29 | 4.29 |
| Xmech (mm) | 19 | 19 | 19 | 19 |
| Sd (cm²) | 95 | 95 | 95 | 95 |
| Vd (cm3) | 180.5 | 180.5 | 188.5 | 180.5 |
| Materials | |
|---|---|
| Diaphragm | Carbon fiber |
| Frame | Cast aluminum |
| Mounting informations | |
|---|---|
| Total outer diameter | Ø152 x 48.5mm |
| Cutout diameter | 126.5mm |
| Depth | 48.5mm |
| Number of mounting holes | 4 |
| Speaker Power (W RMS) | NC |
| Speaker Type | Passive Radiator |
| Impedance (Ω) | NC |
| Loudspeaker diameter (mm) | 140.0 |
| Diaphragm type | Carbon fiber |
| Efficiency / Sensitivity (dB) | N/A |
| Max Linear Excursion (Xmax) (mm) | 19.0 |
| Lowest frequency (Hz) | N/A |
| Highest frequency (Hz) | N/A |
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