ideal mains voltage for m 300B

aroide · 1114

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Offline aroide

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on: October 07, 2019, 08:19:49 AM
I have a PS Audio power regenerator in my system currently set to 120V.  I originally added this to help address significant low voltage (109V) to my listening room that caused the 300B to start making noise.

Since I can adjust the output voltage to whatever I want, what is the ideal voltage for the 300B from perspective of noise, heat, and longevity in that priority order?

Mac mini running Roon->
Mytek Brooklyn DAC+->
Darwin Truth RCA IC->
BeePre (BeeQuiet,  Mundorf Ag/Au/Oil, Sophia Royal Princess 300B)->
Audioquest Colorado->
Rogue Audio Atlas Magnum amp (Psvane small signal tubes, KT150s)->
Audioquest Gibraltar-speaker cables>
Magnepan 1.7 & REL T-5

Offline Paul Birkeland

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Reply #1 on: October 07, 2019, 10:13:51 AM
Everything in the BeePre with regards to the 300B is regulated, so the 300B won't notice line voltage differences.  The filament regulator would appreciate having 120V coming into the power transformer though.

Paul "PB" Birkeland

Bottlehead Grunt & The Repro Man

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