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Old 1st July 2012, 05:29 AM   #1
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Default single cap to roll off lowther

g,day

i want to roll off my lowther from around 200hz down

can i just use a single cap in series with the + lead to the lowther ?


cheers
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Old 1st July 2012, 05:34 AM   #2
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Due to rrise of impedance at the resonance peak that will not work very well, much better to put the cap in front of the amp that is driving the lowthers.

dave
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Old 1st July 2012, 06:36 AM   #3
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hi Dave

so in the positive from the pre to the amp running the lowthers?

cheers Sheafer
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Old 1st July 2012, 07:49 AM   #4
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Yes, in series. You take the input impedance of th epower amp and use it and the desired XO frequency to determine the cap value,

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Old 1st July 2012, 08:47 AM   #5
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thanks Dave

perfect!!!!!
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