STEREOINDEX AUTHOR

Francis Adamiak

Francis Adamiak is a passionate audiophile and expert in high-fidelity audio equipment, with a focus on amplifiers and speakers. Drawing on years of experience and a deep love for sound quality, he shares in-depth reviews and insights on the latest audio technology.

1,861 published articles

LATEST FROM

Francis Adamiak

Vertere unveils Luna linear power supply and Solo mono MC cartridge, delivering ultra-low noise, improved dynamics, and exceptional vinyl playback performance for DG turntables.

HI-FI

Vertere Acoustics Luna Power Supply & Solo Mono MC Cartridge – Ultimate Upgrade for DG Turntables

Vertere unveils Luna linear power supply and Solo mono MC cartridge, delivering ultra-low noise, improved dynamics, and exceptional…

2026-02-28 · 3 min read

Rega unveils the AOS MC, a fully adjustable high-end phono preamp for MC cartridges. Featuring Aura-derived circuitry, Class A design, and precise load control, it delivers uncompromising analog performance.

HI-FI

Rega AOS MC Phono Stage: Adjustable High-End MC Preamp Inspired by Aura

Rega unveils the AOS MC, a fully adjustable high-end phono preamp for MC cartridges. Featuring Aura-derived circuitry, Class…

2026-02-26 · 3 min read

TURNTABLES

Pro-Ject E1.2 & E1.2 Phono Turntable: Plug-and-Play Vinyl with Built-In Phono Stage

Pro-Ject launches the handcrafted E1.2 and E1.2 Phono turntables with aluminum platter, MM cartridge, and optional built-in phono…

2026-02-23 · 2 min read

Audioengine unveils its 2026 Color of the Year: Limoncello Yellow. The limited A2+ speakers feature Bluetooth 5.3, aptX Adaptive, and a premium lacquer finish—joined by the S6 subwoofer and Crosley C6 turntable for a bold, compact hi-fi system.

HI-FI

Audioengine A2+ Limoncello Yellow (2026): Limited Edition Desktop Hi-Fi Speakers with S6 Sub & Crosley Turntable

Audioengine unveils its 2026 Color of the Year: Limoncello Yellow. The limited A2+ speakers feature Bluetooth 5.3, aptX…

2026-02-23 · 4 min read

TURNTABLES

TEAC TN-400BT X/TB Turntable: Limited-Edition Turquoise Bluetooth Deck with AT95E Cartridge

TEAC’s TN-400BT X/TB is a limited-edition turquoise belt-drive turntable with Bluetooth 5.2, aptX Adaptive, built-in phono stage, and…

2026-02-16 · 2 min read

Esoteric unveils the XE series with the N-05XE network preamp DAC and S-05XE Class-A amplifier, bringing flagship tech to a compact two-box system.

HI-FI

Esoteric’s New XE Duo Packs Flagship DAC Tech and Pure Class-A Power into One Stunning High-End System

Esoteric unveils the XE series with the N-05XE network preamp DAC and S-05XE Class-A amplifier, bringing flagship tech…

2026-02-15 · 4 min read

DALI’s latest installation amp offers four channels, bridged output options, built-in DSP, and fast web-based configuration.

AMPLIFIERS

PHANTOM CI AMP-4125 DSP: DALI’s new rack-friendly DSP amplifier

The new DALI PHANTOM CI AMP-4125 DSP delivers four channels of 125 watts, integrated DSP, and web-based setup…

2026-02-14 · 4 min read

Looking for real hi-fi in a compact form? The Argon Audio SA1 MK2 delivers clear, dynamic sound with HDMI, Bluetooth and phono connectivity.

REVIEW

Argon Audio SA1 MK2 Review: Compact amplifier with big hi-fi sound

Compact amplifiers have become one of the most competitive segments in modern hi-fi. As living rooms shrink, streaming…

2026-02-14 · 6 min read

AMPLIFIERS

Audio Research S-200 & S-100: Dual-Mono Class AB Solid-State Power Amplifiers

Audio Research introduces the S-200 and S-100 dual-mono Class AB power amplifiers with fully balanced topology, bipolar output…

2026-02-13 · 3 min read

The Emotiva Differential Reference Design stack brings a fully balanced signal path from streamer to power amplifier.

HI-FI

Emotiva Launches Balanced DRS Series Streamer, DAC, Preamp and Power Amp

Emotiva introduces its Differential Reference Design series, a fully balanced streamer, DAC, preamp and power amplifier system starting…

2026-02-12 · 4 min read

Gold Note’s new PH-5.2 brings Italian design, multiple EQ curves, and a fully discrete analog signal path for precise MM and MC cartridge matching.

AMPLIFIERS

Gold Note PH-5.2 Promises Next-Level Analog Sound for Serious Vinyl Fans

Gold Note introduces the PH-5.2, an Italian-designed phono preamp with multiple EQ curves, discrete analog circuitry, and precise…

2026-02-11 · 4 min read

Audio Research introduces the D-80, a fully balanced KT150 tube power amplifier delivering 70 watts per channel, automatic bias control, and Reference-series design.

AMPLIFIERS

Audio Research D-80: Fully Balanced KT150 Tube Power Amplifier with 70W per Channel

Audio Research introduces the D-80, a fully balanced KT150 tube power amplifier delivering 70 watts per channel, automatic…

2026-02-11 · 2 min read