TASCAM 688 IN OUT PCB 52102856-01 The plastic pulley in the

The plastic pulley in the R8 often becomes loose and starts to shave itself on the metal frame or they just break

I have another like this I think was from a G16

Just be careful here as I seem to have seen two variants in the 22-4 and while the outer may look the same the inner maybe another

very rare items  26

These heads have been classified by the head shop as good to go

TASCAM 688 IN OUT PCB 52102856-01 The plastic pulley in theBoard from a 688 and maybe common in some others The 688 was really the flagship analogue portastudio amazing what the could get on 1 8 inch tape I was amazed how heavy and how big the machine was must be 15 kilos maybe, Nearly all the boards inside are with connectors so its one that can be serviced easier