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Amplifier comparisons

THE BIG SPARKOS LABS GEMINI REVIEW

The Gemini hybrid headphone amplifier is designed around a tube-based input stage and an op-amp-based output stage. In this review,…

April 22, 2024 34 Min Read

The Focal Utopia is one of the best headphones in the world. Naturally, it deserves a good source and a…

December 6, 2023 23 Min Read

This is not a review but a guide to the Violectric legacy products and their current lineup. I have so…

October 15, 2023 27 Min Read

THE GAME CHANGER Violectric V200 is a long-standing reference amp for many, including myself. It is now discontinued. Its successor…

October 13, 2023 46 Min Read

This is a group test of the headphone performance as a standalone DAC/amp of the SPL Phonitor xe with the…

August 20, 2023 24 Min Read

Note: THIS IS A REPUBLISHED REVIEW This review was originally posted at head-fi.org all the way back in 2012. It…

April 24, 2023 20 Min Read

UPDATE: This review was originally posted in 2017 but has been regularly updated with new amplifiers when tested. Since the…

June 24, 2020 64 Min Read

Sennheiser offers two headphone amplifiers: The HDVD 800 and the HDVD 600. They look almost identical and that is no…

March 17, 2017 18 Min Read

Which Top Driver to Max Your Stax? Stax is a Japanese maker of electrostatic headphones and amplifiers. Stax prefers to call…

August 9, 2015 7 Min Read

Only a few amplifiers are truly great with speakers and headphones alike. Cary SLI-80-series and the Leben CS300-series are. In…

April 14, 2015 6 Min Read