This integrated amplifier was found in a non-existent British magazine from 1975. The used integrated circuit is still popular and the mono bridged version can provide 36 W output power. 4 A.
It can be obtained from Mouser Electronics the new 1,500 W RF high power transistor MRF1K50H fro m...
This circuit was found in an old American documentation. The transformer is of the type found in...
We find this simple musical instrument in a 1977 Radio Shack documentation. The key resistors must be...