i have 2 of these and am modding them right now. Yeah the sticks are crap and cant really be switched, but the PCB is a dream for a n00b like me.
All the buttons triangle, square etc. are labelled on the pcb in a row so no need to look at pics and i removed the buttons yesterday and they will take and sanwa 24mm’s perfectly!
I just spent a lot of time with a picture of the OBSF-24’s dimensions, a tape measure and one of the removed buttons and the only difference i can see if that the sanwas have a slightly bigger inner button and slightly smaller outer rim, which is obviously a good thing with already being 6mm smaller than the preferred sized buttons.
Being snap ins is a bonus too.
I have 6 Sanwa OBSF-24’s on the way (plus 2 plugs for the 7th and 8th holes, no need for those, i only play street fighter really)
If your friends still have these and wanna upgrade for no more than 20, its the easiest mod ive heard of. No drilling, screwing, making your own box or tearing out a pcb. Just snap in new sanwa’s and solder!
Yeah, its 2 wires per button and not the best mod, but if you have one if these you could do a lot worse for your first time since its all self explanatory. Im gonna tackle a full custom after this.
I know this thread is over a year old but thought someone may be interested. If anyone wants pics let me know.