This is a compact, easy to build amplifier that uses one IC only but delivers 40 watts of audio power. It is ideal for amplifying audio from your mobile CD player or iPod. The chip being used here is ...

What are TDA IC’s? TDA integrated circuits series are very well appreciated and used in amplifier designs and projects. TDA audio amplifier circuits are produced in generally by Philips and ...

In a balanced op-amp circuit, the op-amp inputs see equal impedances looking into the circuit. Balanced circuits provide better performance by cancelling some input errors and have a simple R F /R I ...

The look of this crystal clear resin brick is pretty amazing. [Rupert Hirst] decided to encase his amplifier circuit in a block of polyester resin. We just hope he got everything in his circuit right ...

Two lamps connected in series with an open switch and a cell The circuit diagram shows a circuit with two lamps connected in series. If one lamp breaks, the other lamp will not light. The current is ...

Rega has finally unveiled a new version of its legendary Elex stereo amplifier. The Elex Mk4 – a direct replacement for the multi-Award-winning Elex-R – promises a sleeker design, improved circuitry ...

Exquisitely tuned by the Marantz Sound Master, the MODEL 30 integrated amplifier features a master-curated Marantz HDAM and a fully discrete design for luxurious Hi-Fi purity. The new MODEL 30 ...