On Tue, Sep 20, 2011 at 10:33:08AM +0100, Dave Malham wrote: > As Eric says, though, this isn't much different from what > happens with phono cartridge amplifiers. In fact, one _might_ even say > that all that is happening is that the implicit eq in electro-mechanical > design of ribbon mics is just being done explicitly in the computational > domain.
That's correct, but there is a practical difference (pun not intended). For the EM cartridge, or the ribbon mic, the difference operation is done in the physical domain and the problem of unmatched gains before the difference operation does not arise. And that is not just a matter of calibration but also of stability. If one mic becomes 0.1 dB more sensitive than the other (because of e.g. a temperature difference), and you amplify by 40 dB, then the error has the same magnitude as the wanted signal. Things get much worse again for higher orders. Ciao, -- FA _______________________________________________ Sursound mailing list [email protected] https://mail.music.vt.edu/mailman/listinfo/sursound
