30W Amplifier (T1544E)

This hi-fi amplifier is from a 1975 RCA tube manual. The critical components are the transformers. Power supply is included.

Thermal Bridge 741 (CB13228E)
This circuit was found in an American documentation from the 70s, but it can be implemented with a...
6 to 9.5 W amplifier TDA1010 (CB15978E)
This integrated contains a Class B circuit originally developed to provide 6 W in a car radio...
Differential Pair (CB6134E)
This differential amplifier, found in a 1964 Electronic Design, has a gain of 30. The setting can be...