Best bang for the buck

@devinplombier 

Don't disagree.  Of all the things I have done (aftermarket power cords, power conditioner(s), DDC, new DAC) this was the most impactful.  Not sure the bang for the buck is there for me.  That, and after absorbing the costs for upgrading my amp, preamp and speakers, I need to scrounge up some funds for room treatments.  I live in a loft and have an 18-foot high by 20-feet wide wall of glass and metal.  To cover it, I am going to need a theater-grade set-up and it's not going t be cheap. I keep my wall warts and TV on a separate power conditioner.  Since you mentioned wall warts, I use a Darlington Labs phono stage, and they recommend using their supplied wall wart.  

Had the chance to fire up my K&K Trio Phono Preamplifier recently, after years of sleep.It sounds wonderful, full stop. It was driving a Rega P/10, Ortofon Cadenza Black, in a system I’m intimately familiar and helped assemble and setup. Pretty cool.

The K&K being a sleeper if you can find one.

I just tried out my new Schiit Vestri using Amarra on my iPhone and driving a pair of Sennheiser HD650’s.

Holy crap, this is the best bang for buck ever. Superior to my Audioquest Dragonfly and actually competitive with my Woo WA6 driven by my Yggdrasil. I am impressed. $99

Other than buying lots of gear used, my WiiM Ultra is fantastic for the price. 

Bryston 3B purchased used in 1984 for $500. Still going strong. 

When the Bryston SP1.7 l was using as a 2 channel preamp bit the dust recently l bought an interim unit so I could keep listening. Fosi P4 with 3 rca inputs and remote for $100 is quite good and l’m not convinced l need to spend more on something else.