We published a design for a stereo microphone preamplifier with balanced inputs and a phantom power supply. The heart of this circuit was a special Analog Devices IC, the SSM2017. Unfortunately, this ...

At $1,999, Orchard Audio Valencia is a balanced desktop power amplifier designed for headphones, but powerful enough for speakers. Having just driven past an orange grove in Florida earlier this week, ...

Hardcore audiophiles are generally immune to sticker shock for high-end audio gear like $50,000 speaker-based rigs. But now you can get the same level of sound for a lot less if you build a sound ...

With fully balanced and improved circuitry throughout, the BAT VK-85 Preamp and REX 300 Amp claim pure musicality from a $27,500 combo. The REX 300 is a lower-powered version of the highly regarded ...

The single op-amp differential amplifier shown in Figure 1 is often used as an audio balanced line receiver. Obtaining high common-mode rejection is a critical requirement that requires four ...

The Hidiz XO is a complete audio system that comes ready to attach to your smartphone, tablet, laptop, or gaming PC. Inside of its tiny shell is a specialized audio processor called a DAC, or digital ...

Fiio first rose in the audio scene thanks to its line of portable DACs and amps. It’s fitting, then, that one of its most exciting products this year is a fully balanced hybrid DAC/amp designed to ...

A headphone DAC and amp are not a requirement to enjoy the sound from your various devices, but sometimes they can help. Many mobile devices have a DAC (digital audio converter) built into their ...

Conventional wisdom has it that the solid state era in electronics began in 1948 with the invention of the transistor, or if you wish to split hairs, with the 1930s invention by the Russian [Oleg ...