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About the wire impendence
About the wire impendence
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Old 10th February 2004, 11:46 AM   #1
audioart is offline audioart  Taiwan
diyAudio Member
Join Date: Feb 2004
Location: Taipei
Default About the wire impendence

Dear Sir

I'd like to diy a XLR wire for my pre amplifier to power amplifier use ,Should the wire impendence match the power amp input impendence or not? For example.My amp are classe ca-100
the input impendence are 75Ohm.

anything else should be pay attention too?

Thank you~
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Old 10th February 2004, 01:19 PM   #2
fscarpa58 is offline fscarpa58  Italy
diyAudio Member
Join Date: Nov 2003
Location: Genova, Italy

are you shure that the input impedance
of your amplifier is 75 Ohm?

maybe 75k Ohm ?

or perhaps 75 Ohm is the output impedance
of the preamplifier.

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Old 10th February 2004, 01:44 PM   #3
Jax is offline Jax  Sweden
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Join Date: Nov 2003
Location: South Sweden
There is no need to match impedances at audio frequencies. You can use whatever suits you
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