DAYTON AUDIO RSS390-PR Passive Radiator Aluminium 18.2Hz Ø38.1cm

The RSS390-PR from Dayton Audio is a 38.1cm diameter passive radiator from the Reference Series.  Combined with an active speaker, it will allow you to enjoy a richer sound in the low frequencies and potentially extend the bandwidth of your loudspeaker.

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Reference : 14480
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182,50 € tax excl.
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Shipping date: 10-12-2024.

Orders placed before 12h (GMT+1) will generally be shipped the same day (working day).

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2 Years warranty
 
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Dayton Audio RSS390-PR

Passive Radiator Aluminium 18.2Hz Ø38.1cm

Dayton Audio RSS390-PR Radiateur Passif Aluminium 18.2Hz Ø38.1cm

The RSS390-PR from Dayton Audio is a 38.1cm diameter passive radiator from the Reference Series.  Combined with an active speaker, it will allow you to enjoy a richer sound in the low frequencies and potentially extend the bandwidth of your loudspeaker. 

The subwoofer has an excellent design quality, with an anodised aluminium diaphragm and a cast iron chassis, just like the subwoofers of the same range. Thus, they are visually similar and will fit together perfectly.

Each passive radiator uses the unique SMS (Sandwiched Mass Structure) design to keep the majority of the mass centered between the suspension and the spider, ensuring good linearity. The RSS390-PR's mass is also adjustable using the weights provided, to fit most subwoofers.

Dayton Audio RSS390-PR Radiateur Passif Aluminium 18.2Hz Ø38.1cm

Adjustable mass

The Dayton Audio RSS390-PR comes with 7 weights in disc form, allowing you to vary certain parameters of the passive radiator. The table below shows the impact of adding weights on these values.

RSS390-PR0 DisKDISKDISKDISKDISKDISKDISKDISKUnit
Mmpr400475550625700775850925g
Fpr18.216.715.514.513.713.112.511.9Hz
Qmpr4.074.434.775.095.385.665.936.19
Vapr212.8Litres
Cmpr0.218mm/N
Rmpr12.41kg/s
Xmech30mm
Sd829.6cm²
Vd2488.80cm³

Operation of a passive radiator

The passive radiator (or passive loudspeaker) fits into a box with an active loudspeaker. This passive radiator, although it may at first glance look like a "classic" loudspeaker, in fact has no engine parts. Thus, there is no coil, magnet and power supply in its design. In the same way, 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 cabinet to vibrate its diaphragm to deliver deep bass. Its resonant frequency is determined by its mass and the amount of air contained in the cabinet. It is therefore possible to vary its resonance frequency on many models and tune it to the speaker by adding mass.

Dayton Audio RSS390-PR Radiateur Passif Aluminium 18.2Hz Ø38.1cm

Technical characteristics

Specifications
Product typePassive radiator
Nominal diameterØ38.1cm (15")
Resonant frequency (Fs)18.2Hz
Mechanical coefficient quality (Qms)4.07
Compliance equivalent volume (Vas)7.51 ft.³
Mechanical compliance of suspension (Cms)0.22mm/N
Diaphragm mass inc. airload (Mms)400g
Max linear excursion (Xmax)30mm
Surface area of cone (Sd)829.6cm²
Mounting informations
Total external diameterØ388.4mm (15.29")
Cutout diameterØ355.6mm (14")
Depth120.9mm (4.76")
Mounting holes number8
Weight3.58kg
 
Data sheet
Speaker Power (W RMS)NC
Speaker TypePassive Radiator
Impedance (Ω)NC
Loudspeaker diameter (mm)381.0
Diaphragm typeAluminium
Efficiency / Sensitivity (dB)N/A
Max Linear Excursion (Xmax) (mm)30.0
Lowest frequency (Hz)N/A
Highest frequency (Hz)N/A
 
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DAYTON AUDIO RSS390-PR Passive Radiator Aluminium 18.2Hz Ø38.1cm
The RSS390-PR from Dayton Audio is a 38.1cm diameter passive radiator from the Reference Series.  Combined with an active speaker, it will...

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