DAYTON AUDIO DSA270-PR Passive Radiator 21.9Hz Ø25cm


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Shipping date: 07-12-2020.

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DSA270 PR-10 "

Passive Radiator Aluminum ⌀25cm

Radiator speaker passive

A passive radiator with aluminum membrane of good quality, designed to fit most of 25cm speaker modernization projects or repair.

It has a 11mm excursion, allowing to emphasize the low end without distorting the dynamics of sound. It may therefore be integrated easily into ambitious and powerful speaker projects.

Its design as much as its specifications make it a very suitable radiator with the DESIGNER series in Dayton Audio. This does however not stop the radiator to offer excellent performance with other models.

To facilitate integration of the radiator and quickly achieve the best sound, the DSA207-PR comes with M5 screws, which will add weight to the radiator. This configuration lowers the resonant frequency in order to promote the natural balance of bass.

Adjusting mass resonance frequency passive radiator
Typepassive radiator
Nominal diameter25cm
Resonant Frequency (Fs)21.9 HzFs
Mechanical Q (Qms)5.26Qms
total moving mass air + Load88.4gMms
Compliance of the suspension0.6 mm / NCms
emitting surface of the membrane353 cm²sd
Volume displaced air388.3 cm³MD
compliance equivalent volume of air105.8 litersyou
maximum excursion11 mmXmax
mechanical loss2.3 kg / sRms
Membrane / diaphragmaluminum Cone
bowl materialSteel
overall external diameter270 mm
overall depth72.9 mm
drilling diameter227.08 mm
Number of mounting holes5
belt diameter205.99 mm
Data sheet
Diameter (mm)25
Xmax (mm)11
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