RDL TX-1W AUDIO AMPLIFIER Music on hold, adjustable gain, RCA I/O, 600R balanced terminal out
Audio Amplifier 1W This amplifier can provide approximately 1 W, with a supply of 9 V. The transistor Q2 sh… | Audio amplifier, Electronic circuit design, Amplifier
1W Mono Amplifier with IC TDA7052
Tales From the Chip: LM386 Audio Amplifier : 6 Steps (with Pictures) - Instructables