Accuton C220-11-221

Description

The Accuton C220-11-221 is an 8.5 inch bass-midrange driver for 2 or 3-way designs. It has a medium sized voice coil with a 38mm titanium voice coil former for high resolution in the midrange. The Accuton C220-11-221 has an impedance of 11 Ohm.

Brief description:

• 21 cm woofer with ceramic cone and 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 Din 7984 / Ø 4.50 Mm
• Weight (pair) 6.6 kg

Thiele-Small parameters

• Sensitivity Lp 88 Db
  
• Resistance(direct current) Re 6.3 Ohm
  
• Outdoor resonance frequency Fs 26.3 Hz
  
• Equivalent volume Vas 86.2 Ltr
  
• Mechanical quality Qms 7.1
  
• Electrical quality Qes 0.42
  
• Overall quality Qts 0.40
  
• Effective diaphragm area Sd 224 Cm2
  
• Moving mass Mms 30.4 G
  
• Compliance of the membrane tension Cms 1.20 Mm/N
  
• Mechanical resistance Rms 0.71 Kg*S

Voice coil parameters

• Load capacity P 150 watts
  
• Impedance 11 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 0.83 mH
  
• Force factor Bl 8.7 N/A
  
• Drive variant Overhanging

Housing recommendation Closed

• Vb: 29L, -6dB @ 40Hz, -19dB @ 20Hz, F-3dB: 50Hz, Q: 0.71 (typical)
  
• Vb: 83L, -4.5dB @ 40Hz, -13dB @ 20Hz, F-3dB: 60Hz, Q: 0.50 (extended bass)

Enclosure recommendation bass reflex

• Vb: 51L, port diameter: 70mm, length: 265mm, Fres: 26.5Hz, F-3dB: 34Hz, Q: 0.58 (optimal)
  
• Vb: 83L, port diameter: 70mm, length: 110mm, Fres: 29Hz, F-3dB: 28Hz, Q: 0.50 (extended bass)
  
• Vb: 43L, port diameter: 70mm, length: 220mm, Fres: 31Hz, F-3dB: 35Hz, Q: 0.61 (0.7dB ripple @ 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.