I cannot find a clear translation for "proximity" so what do you mean exactly???

I have them both. (3 of each)
I use the SM 58'S for singing and
I use the SM 57'S for amplifcation of tube amps.

Fred
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Keyboards/Sound Units: Kurzweil 2600S, Roland VR-760, Acces Virus C, Roland G-800, Akai AX60, Minimoog, Machine Drum, Roland R8-M, mediastation x-76