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Crossover Capacitors

When replacing a capacitor in an existing printed circuit crossover board, order the same capacitance value (in uF - microfarads) as the original.    Our Audiophiler capacitors are rated at a maximum of 400 volts, which offers significant margin over typical voltages found in audio speaker circuits.   

If you wish to create a basic first order crossover for a horn or tweeter using a single capacitor, use the following table to determine your crossover frequency, based on the impedance of the horn/tweeter, and the capacitance of the crossover capacitor.  (Crossover frequencies have been rounded off).

Capacitor Value

2 ohms 4 ohms 8 ohms 16 ohms
1.0uF 80,000Hz* 40,000Hz* 20,000Hz* 10,000Hz
2.2uF 36,000Hz* 18,000Hz* 9,000Hz 4,500Hz
3.3uF 24,000Hz* 12,000Hz 6,000Hz 3,000Hz
4.7uF 16,800Hz* 8,400Hz 4,200Hz 2,100Hz
6.8uF 11,600Hz 5,800Hz 2,900Hz 1,450Hz
10uF 8,000Hz 4,000Hz 2,000Hz 1,000Hz
Frequencies marked with a (*) are effectively beyond the range of normal human hearing
 
  Crossover Capacitors    
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Description & Part No.

Price

Purchase


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1.0uF - 400V MKP Audiophiler audio grade capacitor made in Germany.   12.6mm diameter x 31mm long.
Part #MKP1D0400
$1.59  


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2.2uF - 400V MKP Audiophiler audio grade capacitor made in Germany.   16.6mm diameter x 31mm long.
Part #MKP2D2400
$1.79  


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3.3uF - 400V MKP Audiophiler audio grade capacitor made in Germany.   20.3mm diameter x 31mm long.
Part #MKP3D3400
$2.29  


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4.7uF - 400V MKP Audiophiler audio grade capacitor made in Germany.   22mm diameter x 31mm long.
Part #MKP4D7400
$2.79  


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6.8uF - 400V MKP Audiophiler audio grade capacitor made in Germany.   26mm diameter x 31mm long.
Part #MKP6D8400
$3.59  


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10uF - 400V MKP Audiophiler audio grade capacitor made in Germany.   26mm diameter x 31mm long.
Part #MKP10D400
$5.95  


 

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