Accuton C220-6-222 Woofer 6 Ohm 1 piece

The Accuton C220-6-222 is a 8.5 inch high efficiency woofer for 2 or 3 way designs. It features a large diameter voice coil with a 55mm titanium voice coil former for high resolution in the midrange. In addition, the Accuton C220-6-222 houses a large, underhung 120 mm neodymium magnet system for very low distortion.

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Short Description:

21 cm woofer with ceramic cone and rear-vented voice coil.

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Mechanical data:

Overall diameter / front panel 220 mm

cut-out 191 mm

minimum front panel thickness 9 mm

overall height 112.5 mm

Magnet height 49.5 mm

Magnet diameter 120 mm

Screw holes For screws According to Din 7984 / Ø 4.50 mm

Weight (pair) 9.6 Kg

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Thiele-Small Parameters:

Sensitivity Lp 93 dB

Resistance(DC) Re 7.23 Ohm

Free air resonance frequency Fs 29.5 Hz

Equivalent volume Vas 74.0 Ltr

Mechanical quality Qms 5.61

Electrical quality Qes 0.27

Overall quality Qts 0.26

Effective diaphragm area Sd 224 Cm2

Moving mass Mms 28.0 G

Membrane stress compliance Cms 1.04 mm/N

Mechanical resistance Rms 0.93 Kg*S

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Voice coil parameters:

Power handling 150 Watt

Impedance 6 Ohm

Linear excursion Xmax +/-6 mm

Voice coil diameter 55 mm

Voice coil carrier material Ti

Conductor material Cu

Voice coil inductance Le 0.37 Mh

Force factor Bl 11.7 N/A

Actuator type Bottom hung

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Enclosure Recommendation Closed:

Vb: 11.5L, -12dB @ 40Hz, F-3dB: 74Hz, Q: 0.71 (typical).

Vb: 24L, -9dB @ 40Hz, F-3dB: 75Hz, Q: 0.50 (extended bass)

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Enclosure Recommendation Bass Reflex:

Vb: 29L, Fres: 23Hz with passive radiator, -12dB @ 25Hz, Q: 0.47 (optimum A/V alignment).

Vb: 24L, port diameter: 70mm, length: 200mm, Fres: 43.5Hz, F-3dB: 47Hz, Q: 0.50

Vb: 36L, port diameter: 70mm, length: 145mm, Fres: 40Hz, F-3dB: 39Hz, Q: 0.43 (extended bass)