To demo this, [Afrotech] used TI’s TPA3122 class d amplifier chip. It’s a pretty cheap chip for being a 15 Watt stereo amplifier, and the circuit is simple enough to build on a breadboard.

But given the cost of hand-wired or point-to-point tube guitar amplifiers, you might wonder if building one is actually realistic. The answer is that building a hand-wired tube amp is within the reach ...

DIY-focused Make magazine combined a little science with some elbow grease to make a stand that would boost the quality of sound produced by a basic guitar amp.

Class D amps are simple – just take an input, and use that to modulate a square wave with PWM. Send this PWM signal to a MOSFET or something, and you have the simplest class D amp in existence.

The App Store has a few apps designed to make different electric guitar sounds and effects, but you can't exactly hook your guitar up to your iPhone o ...

Get your home sound system ready with this DIY Sonos speaker installation tutorial! Learn how to mount ceiling speakers and set up the Sonos Amp for amazing sound throughout your space. # ...

Infineon upgrades Class D audio amplifier Infineon has introduced the MERUS 2-channel, analog input, class D audio amplifier multichip module (MCM) MA5332MS. In the 100-400 W/channel range, the module ...

GaN Systems’ bundles a GaN-based audio amplifier and power supply to promote the development of GaN in Class D audio products. GaN Systems’ bundles a GaN-based audio amplifier and power supply to ...

The Cambridge Audio Evo 150 SE ($3,299) refines a proven streaming amplifier with better sound and features, making it a top contender under $5,000.

EPC has used GaN transistors to create a high-power Class-D two-channel audio power amplifier design. Instantiated in evaluation kit EPC9192, it is capable of pushing 700W/channel into 4Ω (or 2Ω) or ...