This receiver, called Peace, was manufactured in the 1960s in Japan and was powered by a 9 V battery. The radio for medium waves had an earphone and good sensitivity.
This interesting transistor circuit has several effects and an included amplifier. The circuit is...
This audio amplifier from the 70's uses a high voltage transistor. The transistors are from the...
This integrated consists of a mono amplifier for battery powered recorders and radios. The load...