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Am I correct in my computation?

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cboy168

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Am I correct in my computation?
« on: 2 Mar 2009, 03:43 pm »
to use 1.4uF capacitor in series with Fostex ft96H used as supertweeter (impedance 8ohms) if I want x-over point to be 14khz? using First order as this is simpler and easier to implement? I will use L-PAd with it to tune the loudness. TIA

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andyr

Re: Am I correct in my computation?
« Reply #1 on: 9 Mar 2009, 07:41 am »
Quote from: cboy168 on  2 Mar 2009, 03:43 pm

to use 1.4uF capacitor in series with Fostex ft96H used as supertweeter (impedance 8ohms) if I want x-over point to be 14khz? using First order as this is simpler and easier to implement? I will use L-PAd with it to tune the loudness. TIA


Yes, your maths is correct ... if the Fostex ft96H really is 8ohms then a 1.4uF series cap will deliver a 6dB/octave slope with a -3dB point of 14Khz.

Regards,

Andy
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