Would it be possible to connect a turntable to a mic input to completely bypass the preamp?
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Which preamp are you hoping to bypass? A "mic" input generally has a preamp, just like a "phono" input does.– Warrior BobCommented Dec 29, 2012 at 0:01
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I do not have a phono preamp, but my PreSonus recorder has two XLR mic inputs. Coudld I use two RCA to XLR cables from my turntable to my recorder?– Keegan McCarthyCommented Dec 29, 2012 at 0:19
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2 Answers
Won't work.
The output from a turntable is about 47k ohms. You need to get it to about 600 ohms for a standard line. Your mic is about 150 ohms (well, these can vary heavily though).
You need a RIAA pre-amp just to get to mic-input so might as well go for line.
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The RIAA curve is critical for turntables. Even if you managed to impedance match with the mic pres, the lack of a RIAA curve would result in low quality sound. Commented Dec 30, 2012 at 2:29
The connection of the turntable through the MIC input if it works, I have mine connected by that means and it does not need an external preamplifier. All is ok!
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It will sound like cr@p though. The RIAA pre-amp isn't only to match impedances.– TetsujinCommented Sep 18, 2020 at 11:18