Accuton C220-11-221 Midrange 11 Ohm 1 piece
Accuton C220-11-221 Midrange 11 Ohm 1 piece
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Accuton C220-11-221 Midrange 11 Ohm 1 piece
Accuton C220-11-221 Midrange 11 Ohm 1 piece

Accuton C220-11-221 Midrange 11 Ohm 1 piece

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€593.45 €715.00 -17%
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Accuton C220-11-221 Midrange 11 Ohm 1 piece

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

Short Description:

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

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Accuton C220-11-221 Midrange 11 Ohm 1 piece

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

Short Description:

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

Mechanical data:

Overall diameter / front panel 220 mm

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(DC) Re 6.3 Ohm

Free air resonance frequency Fs 26.3 Hz

Equivalent volume Vas 86.2 Ltr

Mechanical quality Qms 7.1

Electrical Q factor Qes 0.42

Overall quality Qts 0.40

Effective diaphragm area Sd 224 Cm2

Moving mass Mms 30.4 G

Membrane stress compliance Cms 1.20 Mm/N

Mechanical resistance Rms 0.71 Kg*S

Voice coil parameters:

Power handling P 150 Watt

Impedance 11 Ohm

Linear excursion Xmax +/-5 mm

Voice coil diameter 38 mm

Voice coil carrier material Ti

Conductor material Cu

Voice coil inductance Le 0.83 mH

Force factor Bl 8.7 N/A

Drive type Overhanging

Enclosure 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 (optimum). V

b: 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)

C220-11-221
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