Series or parallel capacitor for bass X-over

zebra100 · 15th May 2009, 08:05 AM

Aside from the obvious change in crossover point, what are the advantages/disadvantages of having a capacitor either in series with the inductor or in parallel with the load (Bass driver)?

The figures I am getting are about 400Hz crossover with a 5mH coil and a 150uF cap in series into an 8ohm load, as opposed to 250Hz with the cap in parallel with the load.

Many thank's,

Chris.

tinitus · 15th May 2009, 08:27 AM

With cap placed correctly in paralel it lowers impedance/lessens the rise, making the inductor work more effectively

Cap placed in series will form a 1.order highpass, taking away the low bass
In your situation it will probably dampen bass

zebra100 · 15th May 2009, 08:43 AM

Thankyou,

Parallel it is then

.

15th May 2009, 08:05 AM	#1
zebra100 diyAudio Member Join Date: May 2008	Series or parallel capacitor for bass X-over Aside from the obvious change in crossover point, what are the advantages/disadvantages of having a capacitor either in series with the inductor or in parallel with the load (Bass driver)? The figures I am getting are about 400Hz crossover with a 5mH coil and a 150uF cap in series into an 8ohm load, as opposed to 250Hz with the cap in parallel with the load. Many thank's, Chris.

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15th May 2009, 08:27 AM	#2
tinitus diyAudio Moderator Join Date: Nov 2005	With cap placed correctly in paralel it lowers impedance/lessens the rise, making the inductor work more effectively Cap placed in series will form a 1.order highpass, taking away the low bass In your situation it will probably dampen bass

15th May 2009, 08:43 AM	#3
zebra100 diyAudio Member Join Date: May 2008	Thankyou, Parallel it is then .

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