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Old 26th December 2003, 05:33 PM   #1
Stefano is offline Stefano  Italy
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Join Date: Jun 2002
Location: Cagliari, Sardinia
Default audio line level transformers

Hi to you all, it is possible to use an audio-grade transfo, like jensen or lundhal, for to drive amps like the Zen family, using them to gain voltage, improve in/out interface parametres adn drive directly from an unbalanced source like most of the consumer CD players?
I'm also interested to use them like volume pot, but i think that it would be too much expensive.
What do you think about?
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Old 26th December 2003, 09:01 PM   #2
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Join Date: Mar 2001
I have experience with the Jensens, and they are very fine
transformers, but their value is mainly in isolation or balanced/
unbalanced conversion.

If you want to drive a SOZ from a single-ended source, this
would be a good application.

Using them to impedance match, say a high output impedance
preamp to a low impedance amp (such as a Zen) is workable,
but you will find that you must proportionately raise the input
signal, since you will be trading voltage for current. In that
case the same results would have been achievable by using a
higher value input resistor, and with better results.
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Old 27th December 2003, 04:48 PM   #3
Stefano is offline Stefano  Italy
diyAudio Member
Join Date: Jun 2002
Location: Cagliari, Sardinia
Tank you very much, it's exactly what i wanted to know.
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