Tone control and preamplifier (CB8506E)

Based on the TCA6600 or TCA5500 this circuit was found in a 90’s European documentation. The integrated circuit used is not very common today.

| Clique na imagem para ampliar |

LM386 Oscillator (CB24988E)
Circuits like this one, using the LM386 audio amplifier, are available from other sources in this...
Passive Tone Control (CB12206E)
This bass and treble control only attenuates the corresponding signals, requiring further...
LC Audio Oscillator (CB8082E)
Using a large inductance, this circuit was found in a Popular Electronics from the 90s. The...