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Passive Radiator 19.6Hz Ø 25.4cm
The RSS265-PR from Dayton Audio is a 25.4cm diameter passive radiator from the Reference Series range. It will allow you, combined with an active speaker, to enjoy a richer sound in the low frequencies and potentially extend the bandwidth of your speaker.
This one has an excellent quality of manufacture, with a membrane in Anodized Aluminium and a frame in Cast iron, just like the subwoofers of the same range. Thus, they are visually similar and will integrate perfectly together.
Each passive radiator uses the unique SMS (Sandwiched Mass Structure) design to maintain the majority of the mass centered between the suspension and the spider, ensuring good linearity. The mass of the RSS265-PR can also be adjusted to suit most subwoofers, thanks to the weights supplied.
The passive radiator must be integrated in a box with an active loudspeaker. This passive radiator, although at first it may look like a "classic" loudspeaker, does not in fact have any engine part. Thus, one will not find in its design of coil, magnet and power supply. Similarly, it will not be electrically connected to a power amplifier.
To diffuse sound, the passive radiator will use the air pressures and depressions induced by the active loudspeaker in the body to vibrate its membrane and produce sound, thus providing deep bass. Its resonance frequency is determined by its mass and the air contained in the enclosure. The resonance frequency can therefore be varied on many models and tuned to the speaker by adding mass.
Tip : As a general rule, the passive radiator(s) should have at least double the displacement of air (Vd) as the active woofer(s)/subwoofer(s) in the system.
| Specifications | |
|---|---|
| Speaker serie | Reference Series |
| Speaker type | Passive radiator |
| Nominal diameter | 10" (25.4cm) |
| Resonant frequency (Fs) | 19.6Hz |
| Mechanical Q (Qms) | 4.92 |
| Diaphragm Mass Inc. Airload (Mms) | 200g |
| Mechanical compliance of suspension (Cms) | 0.33mm/N |
| Surface area of cone (Sd) | 356.3cm² |
| Compliance equivalent volume (Vas) | 59.7l |
| Maximum linear excursion (Xmax) | 24mm |
| Driver's mechanical losses (Rms) | 11.02kg/s |
| Overall outside diameter | 266mm |
| Total depth | 77mm |
| Baffle cutout diameter | 235mm |
| Package | 1x Passive Radiator RSS265-PR 5x 75g Disk weights 1x Wing nut 1x Lock nut |
| Speaker Power (W RMS) | NC |
| Speaker Type | Passive Radiator |
| Impedance (Ω) | NC |
| Loudspeaker diameter (mm) | 254.0 |
| Diaphragm type | Aluminium |
| Efficiency / Sensitivity (dB) | N/A |
| Max Linear Excursion (Xmax) (mm) | 24.0 |
| Lowest frequency (Hz) | N/A |
| Highest frequency (Hz) | N/A |
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