Amplifier - Audio Appraisal

Aiyima A08 PRO Bluetooth Amplifier Reviewed

a cracking little desktop amp with high-res bluetooth for about £120. It has plenty of power to drive sensible loudspeakers and appears to be well built. Some of its internal components are running close to their ratings, especially with a 48V power supply.

Building the Hypex DIY Preamplifier Kit

The DIY preamplifier kit from Hypex is a brand new product fresh off the production line. It is a fully analogue design with modern conveniences including remote control, flexible signal routing, and a large monochrome display. Herein I document the build and show how easy it is for anyone to construct this high-end preamp, regardless of experience or technical ability.

Building Hypex Nilai500 DIY Class D Amplifier Kits

Can you assemble a puzzle? If so, you can put together a Hypex amplifier. Herein the build of the new Hypex Nilai500 DIY monoblock power amplifiers.

Fosi Audio TB10D Mini Class D Amplifier Reviewed

Have you ever typed “amplifier” in to Amazon or eBay? Do so, and you’ll find a plethora of miniature amplifiers, many with outrageous power output claims and with various features. Some give you Bluetooth, SD card and USB playback and even an FM radio. Some have an output for a passive subwoofer (good luck finding…… Continue reading Fosi Audio TB10D Mini Class D Amplifier Reviewed

How To Fix A Digital Volume Control

If the volume on your stereo randomly turns up by itself, or doesn’t work at all, this article is for you.

CAMBRIDGE AUDIO CXA81 Integrated Amplifier Reviewed

A real breath of fresh air in a market dominated by boring black boxes with average build and same-old specs.

Arylic Up2Stream A30 Miniature Streaming Amplifier Reviewed

A tiny, generously specced miniature amplifier with integrated streaming, an excellent app and great sound.

Hypex NC400 DIY Class D Amplifiers Build & Review

no-nonsense amplifiers with breakthrough technical performance and stunning sonics, some of the best amplification you can buy at any price.

The Audio Appraisal Reference Hi-Fi System

The Audio Appraisal reference system. This post will be updated to reflect future changes and kept as a historic reference to log the equipment used to create these reviews.

Musical Fidelity M2si Integrated Amplifier Review

The M2si is a fine demonstration of what a reformed brand can produce from the get-go.

Yamaha R-N803D MusicCast Network Receiver Review

Yamaha’s R-N803D is a stereo receiver packed with clever tech and plenty of connectivity. The intuitive retro-inspired design, brilliant software and the thoughtful implementation of its many features are the icing on a particularly sweet cake.

Pro-Ject Head Box DS2 B Headphone Amplifier Review

We recently gave the PhonoBox DS2 USB a wholehearted and thoroughly deserved recommendation, giving the HeadBox DS2 B a lot to live up to.

Yamaha A-U670 Review

It may look like an integrated amplifier in its simplest form, but Yamaha’s A-U670 packs not only a highly efficient class D amplifier but also DSD-capable DAC into its compact casework.

Phono Stages Explained

Buying a record player is not always as easy as acquiring the most expensive turntable you can afford and plugging it into an amp and speakers. In this article I will guide the prospective purchaser through the minefield of phono stages, since upgrading the phono stage can provide one of the most dramatic improvements to sound quality.

Tag: Amplifier