Linear Tube Audio’s Century Monoblocks: hand-built ZOTL amps with Screen-Drive tubes, 110 W/8 Ω, low output impedance, and full balanced inputs.

Steve Sells is describing the first listening test of the Naim Statement amplifier system, and how it pumped the heavy, ...

Hi-res audio is the pinnacle for digital music fans, but what is it, how can you get it, and what kit do you need to listen to it?

Fosi Audio has been around for less than a decade, but it’s fast becoming one of the most prominent names in the budget hi-fi space. The company makes everything ...

A subject rarely found in circuit design textbooks is the matter of nonlinear junction capacitance, especially reverse-bias junction capacitance, also called depletion capacitance. When it is ...

GATE Electronics and Communication Engineering Syllabus 2026: The candidates who are planning to take the GATE Electronics and Communication Engineering (ECE) exam 2026 should ensure they are ...

Amplitude modulation (AM) was first introduced to enable long-range wireless audio communication, representing a major advancement over wireless telegraphy using spark-gap transmitters. Understanding ...

This Pre-Amplifier circuit is a minimalistic design, a.o. inspired by valve design, which should help sound clarity. With 5 transistors, it has 0.1% distortion (expected from 60dB loop gain) up to ...

Abstract: This paper presents an integrated digital class D audio power amplifier output stage implemented in a 40V, 0.35µm HV-CMOS technology. The integrated output stage consists of a full H-bridge, ...

Abstract: This brief presents a generic model to emulate distortion circuits using operational amplifiers and diodes. Distortion circuits are widely used for enhancing the sound of guitars and other ...