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.

1,873 published articles

LATEST FROM

Francis Adamiak

OePhi Lounge 2 and Lounge 2.5: Minimalist Design Meets Acoustic Precision

PRODUCT SPOTLIGHT

OePhi Lounge 2 and Lounge 2.5: Danish Speakers Built Around Timing and Neutrality

OePhi’s Lounge 2 and Lounge 2.5 bring the Danish company’s focus on neutrality, timing, and low coloration into…

2026-07-13 · 7 min read

PRODUCT SPOTLIGHT

iFi GO blu Air: A Compact Bluetooth DAC/Amp for Wired Headphones

The iFi GO blu Air is a small Bluetooth DAC and headphone amplifier designed to give wired headphones…

2026-07-13 · 10 min read

STREAMING

Volumio Primo V3 Streaming DAC Brings a New Platform and ESS Sabre Conversion

Volumio has redesigned its Primo streaming DAC for a third generation, adding updated processing hardware, an ESS Sabre…

2026-07-12 · 4 min read

STREAMING

Ruark Audio R410 Anniversary Edition: Limited 40th Anniversary Streaming Music System

Celebrate 40 years of Ruark Audio with the limited R410 Anniversary Edition. Discover its handcrafted design, premium streaming…

2026-07-11 · 2 min read

RECOMMENDED

Comparing 10 Distinct Headphones: Diverse Approaches to Sound and Design

Discover ten headphones showcasing varied designs and tuning approaches, from precise in-ear monitors to innovative wireless and closed-back…

2026-07-11 · 6 min read

RECOMMENDED

Navigating the Essentials of Elevated Home Cinema Experiences

Discover essential home cinema components that combine immersive sound, advanced features, and user-friendly design to enhance your movie-watching…

2026-07-11 · 5 min read

RECOMMENDED

Essential AV Receivers That Elevate Your Home Cinema Experience

Explore AV receivers that bring immersive surround sound and flexible connectivity to your home cinema, enhancing audio and…

2026-07-11 · 6 min read

RECOMMENDED

Choosing the Right DAC for Your Audio Setup: Insights into Versatile and High-Performance Models

Discover a range of DACs offering high-resolution support, diverse connectivity, and refined sound quality. This guide helps you…

2026-07-11 · 5 min read

AMPLIFIERS

Top 7 Tube Integrated Amplifiers for Audiophiles (2026)

Our expert guide ranks the best tube amplifiers under €20,000. Discover the finest integrated valve amplifiers, compare sound…

2026-07-07 · 7 min read

AVM celebrates 40 years with the new Ovation AS XL integrated amplifier, MA 8.3 S monoblocks, SA 8.3 S stereo power amp, and limited Bronze Edition models. Discover pricing, features, and specifications.

AMPLIFIERS

AVM Completes Ovation S Series with AS XL, MA 8.3 S & SA 8.3 S

AVM celebrates 40 years with the new Ovation AS XL integrated amplifier, MA 8.3 S monoblocks, SA 8.3…

2026-07-02 · 2 min read

The Shanling UA6II combines eight Cirrus Logic CS43131 DAC chips, a powerful 365mW balanced headphone amplifier, OLED display, DSD512, and 32-bit/768kHz playback in a compact USB-C DAC.

HI-FI

Shanling UA6II Packs 8 DAC Chips, OLED Display & Balanced 4.4mm Output

The Shanling UA6II combines eight Cirrus Logic CS43131 DAC chips, a powerful 365mW balanced headphone amplifier, OLED display,…

2026-06-29 · 4 min read

Boulder introduces the new 851 monoblock power amplifier and 808 MM/MC phono preamplifier, bringing flagship technology and reference-grade performance to the compact 800 Series.

AMPLIFIERS

Boulder 851 & 808 Expand the 800 Series with Compact High-End Performance

Boulder introduces the new 851 monoblock power amplifier and 808 MM/MC phono preamplifier, bringing flagship technology and reference-grade…

2026-06-25 · 3 min read