Audiophile Linear Power Supplies - Do they improve the sound?

Published: 01 February 2022
on channel: Passion for Sound

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A test of linear power supplies for audiophile products featuring the Gieseler Audio Kraftwerk II LPSs and tested with a bunch of products including the #GeshelliLabs J2 and E2, the #Topping E50, the #EarMen Tradutto and the #xDuoo MT-604

Check out Gieseler Audio's Kraftwerk II power supplies here: https://www.gieseler.com.au/

Here are some studies about how we perceive and are influenced by high frequency sound outside of the audible range:
https://pubmed.ncbi.nlm.nih.gov/10848... - musical content above 20kHz (inaudible) improves subjective enjoyment of music - correlates with brain activity
https://pubmed.ncbi.nlm.nih.gov/24722... - shows brain activity caused by HF content
https://pubmed.ncbi.nlm.nih.gov/14623... - shows HF content improves subjective enjoyment and higher comfortable listening level

00:00 - Introduction
02:01 - Differences between power supplies
06:09 - Glamour video
07:06 - Features & pricing
11:45 - Sound tests
12:43 - Geshelli J2 test
14:07 - Geshelli E2 test
15:52 - Topping E50 test
17:39 - EarMen Tradutto test
21:29 - xDuoo MT-604 test
24:20 - General conclusions
24:58 - Theories about why

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#audiophile #audioreview #powersupplies

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