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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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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)
C220-6-222
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Since 1994 the Thiel & Partner GmbH is developing, designing, producing and distributing under the registred trademark accuton® high quality loudspeaker made of stiff membrane materials like ceramics, diamond and aluminium sandwich.
It is our declared aim to be the provider of the constractional and phonetical best dynamic speaker drivers on the market. We also provide our customers an extensive support and collaboration in areas like case construction, design of the crossover and implemantation of electronic components.
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