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Avg rating: 100
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audiomodder
- phono preamp Qs
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2009-09-27 |
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This looks like a great circuit, I am going to try it right away. I am considering using a +5v from a non-USB source, would this work? Or does this circuit have very specific voltage range? One other question: will this bring the phono output to line level for use of a linear single supply amplifier? Thank you for your work on this!
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Moe
- Re: phono preamp Qs
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(no rating)
2009-09-28 |
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I can't locate the author but I looked at the circuit and it looks like it would work from any 5V DC supply. In fact, I think you could omit the LDO that drops it to 3.3V -- if the 5V supply is quiet. The LDO will remove any ripple or other variations on the 5V supply.
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Rob
- Re: phono preamp Qs
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(no rating)
2009-10-01 |
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You can use this with any clean 5V source. The application discussed in the article was to solve a specific customer application where a usb source was to be used. This circuit is intended for a single supply so the output should be ok.
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