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Electronic phono MC step up transformer
Electronic phono MC step up transformer
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Old 5th March 2018, 07:25 PM   #31
Onvinyl is offline Onvinyl
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It doesn‘t need to match as long as it‘s output impednace is reasonably low which i guess is the case. Analog_sa is technically correct you shouldn‘t need cap coupling as long as everything works as expected. Just better be safe than sorry. Personally i wouldn‘t open the box because Ernos circuit is build of now obsolete parts. I wouldn‘t risk it.

And, you can‘t really compare the sound of your different phono amps if you cannot exchange them quickly.
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Old 6th March 2018, 12:02 AM   #32
Sunsun22 is offline Sunsun22  Hong Kong
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There is a servo in the circuit that, I hope, DC should not be a problem. Besides, I still have few hundreds jfets that I bought from a Japan shop dated back in 2011 therefore parts should not be a problem for me in this project.

I have this drive to build a tube phono because I listened to one of them and found the"coloration" is very good for violin and vocal.
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Old 6th March 2018, 08:04 AM   #33
Onvinyl is offline Onvinyl
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I give up
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Old 6th March 2018, 08:05 AM   #34
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I mean, ‚in‘
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