Amplifiers
Tubed power amplifiers
Audio Research Reference 80S stereo power amplifier
Audio Research's excellent KT15 'Ghost Meter' Reference power amplifiers are continuing to redefine tube power in the 2020s. The 80S stereo model is the smallest of all... but often sounds as powerful as the largest.
- Alan Sircom
- Mar 2022

English Acoustics Stereo 21c stereo power amplifier
The classic Leak Stereo 20 power amplifier was one of the great British icons of the early days of stereo, and it has been painstakingly brought into the 21st Century thanks to English Acoustics!
- Alan Sircom
- Mar 2022

Line Magnetic LM-512 CA preamp/LM-845 Premium integrated/power amp
Line Magnetic has captured the hearts of many audiophiles with its high performance valve/tube amplifiers at extremely keen prices. But are they really a great deal? Jason Kennedy thinks so.
- Jason Kennedy
- Nov 2021

ATMA-SPHERE M-60 MK. 3.3 OTL MONOBLOCK AMPLIFIERS
Do you want some Atma-Sphere in your room? Eric Neff investigates these room warming valves!
- Eric Neff
- Jul 2021

Audio Research Corp. Reference 80S Stereo Power Amplifier
From the Absolute Sounds/Audio Research press release: The Reference 80S […]
- Hi-Fi+ Staff
- Jan 2021

conrad-johnson ART27A stereo power amplifier
The conrad-johnson ART27A stereo power amplifier is a somewhat peculiar […]
- Alan Sircom
- Jul 2020

VTL TL-6.5 Series II Signature line-stage and S-200 Signature power amplifier
“Making tubes user-friendly”; so runs the VTL tag-line. For once […]
- Roy Gregory
- May 2020

PrimaLuna Evo 300 preamplifier and power amplifier
Let’s be brutally honest about high-end audio; sometimes it’s a […]
- Alan Sircom
- Mar 2020

conrad-johnson ART300 mono power amplifiers
Back in the late 1970s, when US high-end began to […]
- Alan Sircom
- Nov 2019

The Hi-Fi+ Awards: Product of the year
Zanden Audio SystemsModel 3000 MkII line preamplifier and Model 9600 […]
- Hi-Fi+ Staff
- Mar 2019

The Hi-Fi+ Awards: Amplifiers of the year
Power Amplifier of the Year: Audio Research Corporation Reference 160M […]
- Hi-Fi+ Staff
- Mar 2019

Meet Your Maker: Kazutoshi Yamada, Zanden Audio Systems
We spoke to Kazutoshi Yamada – President of Zanden Audio […]
- Alan Sircom
- Mar 2019