new to this forum joined a while back but have never posted.been in motor trade for about a lifetime it seems.mainly repair 4x4s.i have an old sealey 120s/mig a nbc autoweld 2 a sip stick welder and just bought a new sealey 2750.not used new 2750 yet so I cant say what its like.nbc welds fantastic but now has problems with motor wire drive hence new machine.not a professional welder but like the sound of a good crackle.off to butters forum to see if anybody can help.