----- Original Message ----- From: <mark@...> You don't need a pre-amp to properly interface line input with MOTM signal level. 10Vp-p is around 14dBu. If anything, you might need an attenuator to bring the level down to MOTM levels. --LH-- Mark, I think what people mean is that they want in interface their instruments directly to their MOTM without having to go through a mixer or other board to bring it up to "line" or "motm" levels. I think the term "line" level is where the source of confusions seems to be. As you know the term "line level" can represent a significant range of officially - 10 to +4 dB with -10 being much more common outside of professional studios. The bottom line is that the output of most electronic instruments is -10dB. People want to jump that up to MOTM levels and therefore are asking for a pre-amp. Certainly, it can work without the additonal gain. But. the signal to noise ratio is much better through the system if you start with a signal of appropriate level. --MM-- However, one use for a MOTM pre-amp would be to use it with synthesizers and effects that produce a much lower output. --LH-- Exactly. I think many of us are guilty of calling our synth outputs "line" level, because they often fall into that range. Larry H
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Re: [motm] Re: pre-amp
2001-09-22 by J. Larry Hendry
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