Want to do a bit of aluminium so thinking of a spool gun, seem to range fom €50 to €800, not interested in the real cheap ones made frrom Chinesium , I have a SIP HG 2300DV which I like very much, lots of guns seem to have 3/4 pin plugs, my SIP has a 5 pin, I presume adapters are available, any adviuce pleasae?