Amplifier Class XD

The Amplifier Class XD, patented by Cambridge Audio, is based on Crossover Displacement technology. As a new output stage technology, it eliminates crossover distortion up to a certain power level, without any collateral compromises. The term “XD” comes “Crossover...

Groove Machine – Groovebox

What is a Groove Machine?   A groove machine is a hardware device that is something more than just a drum machine or sampler. Groove machines are optimized for pattern-based musical composition. Groove machines have a “tabletop” form factor, with the...

Class T Amplifier

What is a Class T Amplifier?   A Class T amplifier is an audio amplifier IC design. Rather than being a separate “class” of the amplifier, Class T is a registered trademark for Tripath’s amplifier technologies. The control signals in Class T amplifiers may be...

Modern Drum Machines

Programmable Drum Machines   Eko released the first programmable drum machine “ComputeRhythm” in 1972. This was the first programmable drum machine that had a 6-row push-button matrix. With it, the users could enter a pattern manually. Moreover, the...

Class D Amplifier

What is a Class D Amplifier?   A class D amplifier or switching amplifier is an electronic amplifier in which the amplifying devices (transistors, usually MOSFETs) operate as electronic switches. They do not operate as linear gain devices as in other amplifiers....

Early Drum Machines

The First Drum Machine   Al-Jazari, an Arab engineer in modern Turkey, invented the first programmable drum machine. Moreover, his drum machine was described in The Book of Knowledge of Ingenious Mechanical Devices, which was written in 1206. His musical device...