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Old 16th April 2011, 02:18 PM   #1
diyAudio Member
Join Date: Apr 2011
Default Heres a new trick

go to thrift stores and good will and buy up any old 28-56kmodems

The transformer inside is worth it
Tried and true
couples audio perfectly !
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Old 16th April 2011, 03:39 PM   #2
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Join Date: Jan 2006
Location: Athens GREECE
cant be right signals in telephony are limmited to something like 3KHZ or so ... i wonder though if this is limited by the trafo or other parts of the circiut ...yet again the ratio of winding might also be an issue

kind regards sakis
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Old 16th April 2011, 08:34 PM   #3
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I am using it in my app right now and it sounds great !

Give it a try ok !
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Old 16th April 2011, 08:49 PM   #4
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Join Date: Nov 2007
Location: Dallas
600:600 transformers with very narrow bandwidth can behave much wider
when driven by low impedance <600 source into high impedance >600 load.
In this special case, not to your advantage to impedance match...
Assuming you desire the transformer only for balun and isolation.

Last edited by kenpeter; 16th April 2011 at 08:53 PM.
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Old 16th April 2011, 08:59 PM   #5
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