Tamura Audio Microphone Transformer 60466310 tascam 38 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

my guess is at some stage a studio has upgraded all the relays and brought each channel up to spec

Rectifier and capacitor and fuse board from a Model 80 machine

I have sold a few of these and without a problem but seems I was lucky there is actually a left and right version looking at the machine from the front

you never know

Tamura Audio Microphone Transformer 60466310 tascam 38 The Model 80 uses aVery good quality Microphone transformers high lo made by Tamura in Japan and used widely in the audio industry . these have the Teac part numbers and were used for many years 2. 7k in 33 ohms out approx.