From The NY Times, after testing over 100 earbuds: With a combination of excellent performance, abundant features, and low price, the Soundcore Space A40 earbuds outperform the competition. The sound quality is enjoyable right out of the box, plus there are multiple ways to fine-tune the sound...

https://www.head-fi.org/threads/hifiman-arya-arya-stealth-arya-organic-impressions-thread.890421/

@cdacosta Do you have a recommendation for the solderless binding post?

Where do you access that screen and setting?

Determine your budget. Determine your needs for power, impedance, connections, etc. Go to the amps forum, use the search function and start reading. Look in the classifieds just to see what’s out there.

There’s this thread in this same forum with over 300 pages of recommendations: “On a mission to like jazz”

Thanks for your reply

It was great that you put together that PDF of the box build, but I’ve got questions about the mix. You don’t say how much Magnetite. And in your description it seems that it is almost all Magnetite, with other materials added for “tuning”. I thought I read that some were mixing larger amounts...

You’ll probably have better luck with Google

@volly Where did you get the banana plug adapter?

I understand and use Rochelle salt. “RC” is not a logical abbreviation, which is why I asked.

@Stellabagpuss What is the “RC” you refer to?

Do a Google search for inexpensive CD transport”. Plenty of good options out there.

Why the proprietary nonsense? Just tell people what it is and let them experiment on their own.

What do you mean by “a -6db preamp reduction”? And what are pre volume war songs?