Beautiful, high quality Amplifier circuit. National Company of Used ruin his LM3876 Integrated with a few changes on the PCB LM2876, LM3886 Integrated NE5534 Used for Usable Tone Control Bass, Treble, Balance, Volume Controls have Tone Control Features 20... Electronics Projects, LM3886 Amplifier Project Tone Controlled "audio amplifier circuits, ic amplifier, lm3886 amplifier circuit, " Date 2018/06/18