Galaxy desk microphone manual, (wiring colour coding is shown) :-
http://www.servicedocs.com/ARTIKELEN/7200265020001.PDF
Alinco DX-SR8 User manual :-
https://dmna.ny.gov/nynm/manuals/Alinco_DXSR8_user.pdf
Microphone wiring shown on page 20 of the manual numbering, (or page 22 on a PDF viewer - just in case
)
HTH.
All the best,
Victor