100w Amplifier

This is 100 W amplfier from 1972 from Turku, Finland when I was working in Teleste.
Its name was D100, although it has two 100W outputs.

Here is the block diagram


and here is the schematic diagram


This amplifier has used in schools, hotels, ships etc.

It has have an output transformer with 50V, 25V, 12V, 6V outputs.

Headphone switces 470ohm resistor on automatically.

Pekka OH3GDO

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