Teac CX-310 play rec erase head 5378600100 55696130 The Model 80 uses a

The Model 80 uses a dual plastic pulley the A8 and probably the whole A series uses a metal single pulley

however if you want to restore your machine to its original state you need this

I have found that they made a revision to this unit and there are now two types

pulled from a working unit and probably easir to just unplug the old and plug in new than try and unsolder

the unit functioned perfectly

Teac CX-310 play rec erase head 5378600100 55696130 The Model 80 uses aA set of heads from this machine, they have not been lapped as that would make them too expensive, though I can get them done if needed. no head gaps visable. May have been used in other units around this time