This circuit was found in a Japanese publication in 1975. It provides 30 W per channel using the SI-1030G modules. The module must be mounted on an excellent heat sink.
This circuit for VCR recording heads was found in the February 1990 issue of Radio Electronics magazine....
This very simple continuity tester uses a small 1.5 V lamp (type used in flashlights). Can be...
This commercial radio with 3 earphone listening transistors was manufactured in Japan in the...