10W Amplifier with 6 tuber (T492E)

We found this 6-tube amplifier in a 1947 publication. It is a Public Address amplifier with excellent performance using triodes on the output.

| Clique na imagem para ampliar |

Microphone Preamplifier (CB10228E)
This circuit is from a 1986 Revista Española de Electrónica. It consists of an amplifier with...
Bipolar Transistor Colpitts Oscillator (CB4582E)
The oscillator shown in the figure can generate signals between 3 and 15 MHz approximately, depending...
Delayed Pulse Generator (CB6470E)
This circuit was found in a 1967 documentation. The switch diode is a component of the time and is...