I realize this will probably come across as argumentative or beating a dead donkey, nevertheless what I’m actually referring to is not EM or RF. I’m referring to the induced Magnetic field from the transformer or in some cases from adjacent AC cords. That’s why wrapping mu metal around a transformer improves the sound, because the mu metal absorbs the magnetic field. Mu metal has nada to do with shielding RF or any such thing. It’s also why it’s a good idea to avoid parallel runs of any cables or cords. In some cases the 60 Hz hum is due to the physical mechanical vibration of the transformer.
Most Effective Tweaks?
Wondering what generic tweaks people have tried that made the biggest difference? Also interested in how much the tweaks cost to implement and the magnitude say from minimum of "marginal" to maximum of "transformational".
My top tweaks I can think of so far are
1) isolating speakers from versus coupling to floor when needed (~$100, transformational)
2) Mu metal shield around low level phono stepup transformer ($30, transformational noise reduction)
3) power cord upgrade (significant, ~$80)
4) acoustic panels (significant, $90)
5) power conditioner (significant, $100)
5) Physically moving components further apart from each other (NC, marginal)
My top tweaks I can think of so far are
1) isolating speakers from versus coupling to floor when needed (~$100, transformational)
2) Mu metal shield around low level phono stepup transformer ($30, transformational noise reduction)
3) power cord upgrade (significant, ~$80)
4) acoustic panels (significant, $90)
5) power conditioner (significant, $100)
5) Physically moving components further apart from each other (NC, marginal)
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- 32 posts total
- 32 posts total