This integrated amplifier was found in an English magazine that no longer exists, from 1975. The integrated circuit used is still popular and the mono version can provide 20 W output power. .
![](/images/stories/cir/202412242023_141324_0001.jpg)
This integrated amplifier was found in an English magazine that no longer exists, from 1975. The integrated circuit used is still popular and the mono version can provide 20 W output power. .