Hi Matt , i have a colection of reel to reel players and some have worn heads , im thinking of thying to fit into a teac a sony head. Anyone that has experience in this area? will it worck if the heads heave the impendance in the same area ? +- 10-15 ohms ? ex revox head heas 100 ohm and sony has 75 ohm. ( i got miself hands on some sony heads)