Dual Channel 6W Amplifier (T490E)

This 6-tube two-channel amplifier was found in an American documentation from 1947. The circuit is two-channel with a separation of bass and treble.

| Clique na imagem para ampliar |

Auto Alarm (CB4776E)
This interesting automotive alarm was found in a 90's Popular Electronics. The circuit uses...
7W Amplifier with LM383 (CB1001bE)
This amplifier provides a maximum power of 7 W, depending on the supply voltage. The integrated...
30 s delay with PUT (CB21417E)
This circuit was obtained from a General Electric documentation from 1967. The time is given by...