Accuton S220-6-221

Description

The S220-6-221 is an 8-inch woofer with an extremely rigid ceramic sandwich cone.
The FEA-optimized overhang voice coil design with 38 mm aluminium voice coil former guarantees low energy storage during decay and excellent heat transfer.
The low-loss rubber surround and the thin fabric spider center the moving parts with high linear excursion.

Brief description:

• 21 cm woofer with sandwich cone. It has a rear-ventilated voice coil.

Mechanical data

• Total diameter / front panel 220 mm
  
• Hole cut-out 191 mm
  
• Minimum front panel thickness 9 mm
  
• Overall height 105 mm
  
• Magnet height 42 mm
  
• Magnet diameter 120 mm
  
• Screw holes For screws according to Din 7984 / Ø 4.50 mm
• Weight 3.15 kg

Thiele-Small parameters

• Sensitivity Spl 88 dB
  
• Resistance(direct current) Re 5.9 Ohm
  
• Outdoor resonance frequency Fs 22.1 Hz
  
• Equivalent volume Vas 112.9 Ltr
  
• Mechanical quality Qms 5.73
  
• Electrical quality Qes 0.39
  
• Overall quality Qts 0.37
  
• Effective diaphragm area Sd 224 Cm2
  
• Moving mass Mms 32.8 G
  
• Compliance of the membrane tension Cms 1.58 Mm/N
  
• Mechanical resistance Rms 0.79 Kg*S

Voice coil parameters

• Power handling P 150 W RMS
  
• Impedance 6 Ohm
• Linear deflection Xmax +/-5 Mm
  
• Diameter of the voice coil 38 mm
  
• Voice coil former material Ti
  
• Conductor material Cu
  
• Inductance of the voice coil Le 0.81 Mh
  
• Force factor Bl 8.28 N/A
  
• Drive variant Overhanging
  
• Ferrofluid In air gap No

Housing recommendation Closed

• Vb: 39L, -4dB @ 40Hz, -13dB @ 20Hz, F-3dB: 42Hz, Q: 0.71 (Balanced)
  
• Vb: 101L, -4dB @ 40Hz, -10dB @ 20Hz, F-3dB: 44Hz, Q: 0.50 (bass boost)

Enclosure recommendation bass reflex

• Vb: 66L, port diameter: 70mm, length: 300mm, Fres: 22Hz, F-3dB: 27Hz, Q: 0.58 (optimal)
  
• Vb: 101L, port diameter: 70mm, length: 150mm, Fres: 23.5Hz, F-3dB: 24Hz, Q: 0.50 (extended bass)
  
• Vb: 56L, port diameter: 70mm, length: 300mm, Fres: 24Hz, F-3dB: 29Hz, Q: 0.61 (0.7dB boost @ 50Hz)

Frequency response

Note

Not suitable for use in vehicles.

• This speaker chassis was specially developed for use in home and studio applications . For applications in the automotive sector, we recommend using the special automotive series from Accuton, which is available from Masori on request.
• The automotive version (Accuton Carhifi version) of Accuton meets the strict automotive standards and is specially designed for use in passenger cars and various other vehicles. It is resistant to vibrations, weather influences, heat and cold that can occur in an automotive environment. This ensures optimum audio quality and reliability.
• Contact us at Masori for more information on the Carhifi Automotive version of Accuton. We are happy to help you to find the right solution for your automotive requirements and to enable an optimal sound experience in your vehicle.