This circuit makes use of an uncommon integrated circuit. It can provide a power of 6 W when powered by 15 V source. The speaker is 4 ohms. We found the circuit, which also appears elsewhere in the site, in a Spanish documentation of 1983. The microphone must be high impedance.
Integrated Microphone Amplifier LM383 (CB1345E)
- Details
- Written by: Newton C. Braga
