mono versterkertje uit jaren '70 of '80? (Toestel of techniek)

door Rolf Zetterberg , 23-04-2023, 22:13 (582 dagen geleden) @ soundman2

The Eagle brand in this case is clearly from Japan.I remember them making small amplifiers,headphones,telephone accessories and so on.
Is it a 3-transistor or 4 transistor amp?In any case,a schematic of a transistor radio from the 60's will be very similar.