Uploaded October 2025 | Updated September 2026, 2 weeks ago

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The Mentors were a loan from a friend of the channel. Thanks!

Buy from Flux: fluxlab-acoustics.com/product/mentor-class-a-headphone-amplifier

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My reviews of other mentioned gear...

Berkeley Alpha S2: youtu.be/JY3c4HEyH0s
Erzetich Perfidus: youtu.be/8UTHlv7eqdU
Ferrum Oor (1): youtu.be/Nr3sT6raMPM
(2): youtu.be/xUsRyoBPdyk:
Focal Utopia (OG) (1): youtu.be/sqHjnH6EdM4
(2): youtu.be/tb3le-TwGnQ
Headamp GS-X Mini: youtu.be/p6J_3w2j-GA
HiFiMan Goldenwave Prelude: youtu.be/Ev_GFLFKKUM
HiFiMan HE1000 Unveiled: youtu.be/pSXKdoYg0Tc
HiFiMan Susvara OG (1): youtu.be/mZJ78eXWkt0
(2): youtu.be/oUrJx173P5M
HiFiMan Susvara Unveiled: youtu.be/WI1gnx2tD7s
Headamp GS-X Mini: youtu.be/p6J_3w2j-GA
Holo Bliss: youtu.be/-Mt2B66CFTI
LAiV Harmony HP2A: youtu.be/PGtdQpNCakk
Lampizator Baltic 3: youtu.be/QShvh2rqETc
Schiit Mjolnir 3: youtu.be/tyKVqunaDzY
SJY Horizon Closed Carbon: youtu.be/8UOM3K_VLDc
Sonore ultraRendu: youtu.be/qEOOE9rP6Rs
SPL Phonitor X: youtu.be/fxqEAmy-Di4
Violectric HPA V222: youtu.be/tfwY5KjWcV0
Violectric HPA V281: youtu.be/ETFZtNxunKg

Timestamps...

00:00 Intro, pricing, disclaimer
02:35 Shameless self promotion
03:03 About the Mentor
07:06 Unit Tour
13:55 Test Gear
16:40 Sound - A Single Amp in Stereo
20:20 Sound - 2 Amps in Monoblock Mode
25:42 Comparisons of Single Unit vs Mjolnir 3, V222, Perfidus
28:19 Comparisons of Monoblocks vs V281, Prelude
37:34 Wrap Up