In some synagogues I have seen the amud (lectern) from where the chazan (prayer leader) stands to say the prayers, placed a few feet in front of the aron (cabinet) where the torah is kept or between the aron and the bima (reading table). In other synagogues I have also seen the amud placed a few feet to the right of the aron. Is there an exact location where the amud should be placed? Does it change location depending on its use? Where can I find this information for further study?
This article may very well answer your question: https://www.ou.org/torah/halacha/halacha-on-ou/one-pray-bima-amud/ A more updated version of the same article can be found here: http://www.tidesociety.blogspot.com/2015/09/guest-post-daniel-adler-should-one-pray.html