Accuton P280

ACCUTON P280

Accuton P280. 11 inch passive radiator with aluminium dome.

€497.00
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Accuton P280. 11 inch passive radiator with aluminium dome.
The P280 is an 11 inch passive radiator with sandwich dome. Extra mass can easily be added to tune the resonance frequency. A simple but robust screw mount provides fixing of stainless steel discs in the desired quantity. The values of Vas and Cms allow for extensive tuning and various box sizes. A new basket design provides for perfect airflow without compression effects or turbulences. Please note, that the resulting resonance frequency is NOT a constant with all spiders used today. This is why we use graph areas in the diagramm. It depends on the excursion of the dome, because all spiders have a progressive characteristic. The Cms value rises by a factor of approximately 2 at 6mm excursion. Therefor, the excursion should be kept low by applying enough piston area. The stated resonance frequency of the passive radiator is taken at 3mm excursion, offering a realistic value.

MAIN FEATURES :
  • AIRFLOW OPTIMIZED BASKET DESIGN
  • ROBUST EXTRA MASS SCREW MOUNT
  • SOFT HIGHSHAPE RUBBER SURROUND
  • LOW LOSS SPIDER AND SURROUND
  • WIDEBAND RESONANCE TUNING
  • 15 HZ - 45 HZ

Chassis-data

Overall dimensions 280 mm
Baffle cutout 251.2 mm
Depth (Total) 74 mm
 

Thiele-Small-Parameter

Resonance fs fs: 18 Hz
Equivalent Air-Volumen Vas: 226 Liter
 
Mech. Compliance Cms: 0.94 mm/N
Moving Mass Mms: 76 g
Membrane-Area Sd: 408 cm²
Accuton
5036000026

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