Teac head set model unknown rec play erase 53786011 50664600 could be made into a

could be made into a nice DI box or studio wall panel

Small  tension roller cap from the Fostex big machines

its a common problem In all of the Tascam and Teac units

There are different models of this board and that may spread over later serial numbers this is the -100

Used in the D4000 if no stock here it may have moved to ebay

Teac head set model unknown rec play erase 53786011 50664600 could be made into aA set of heads , but I do not know from which machine, they have not been lapped as that would make them too expensive, though I can get them done if needed. no head gaps visible. These were interesting as they used a 4 track head in a two track unit using just tracks 3 4, never seen that before. May have been used in other units around this time