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29th May 2005, 10:49 AM
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#1 |
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diyAudio Member
Join Date: Mar 2005
Location: Taipei
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Very strange HP Passive network for TAD 4001
The following High-Pass passive network for TAD 4001 use a 2.7uF capacitor. Any one know the effects of this capacitor? Thanks in advance.
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29th May 2005, 12:27 PM
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#2 |
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diyAudio Member
Join Date: Mar 2005
Location: Taiwan
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This is normally used to reduce HF impedance so that high frequency is balanced. Just a guess!
Any other comments? 
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29th May 2005, 03:04 PM
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#4 |
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diyAudio Member
Join Date: Jun 2003
Location: Chamblee, Ga.
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Greets!
Right, this is a HF bypass cap to 'lift' up the HF to counteract the shelving due to the series resistance. Standard CD horn EQ. GM
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29th May 2005, 03:50 PM
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#5 |
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diyAudio Member
Join Date: Mar 2005
Location: Taipei
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Thanks GM,Feyz,Soongsc!!
Is there any formula to calculate the frequency where lifting begin and the values of capacitor?
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30th May 2005, 01:47 AM
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#6 |
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diyAudio Member
Join Date: Mar 2005
Location: Taiwan
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I would recommend using a simple SPICE program to do some simulation, and just look at the results.
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