They talk about Black Gate Caps. Sonic Caps. Tantalum resistors. Bybee purifers. DH labs wiring. I know what wiring but I haven't a clue as to the other stuff.
Some observations.
1. The concept of a quantum purifier is a bit too strange for me. I have always been skeptical about products the workings of which the marketer cannot explain.
2. Some parts manufacturers do produce better quality parts than other parts manufacturers.
3. "Equivalent" parts by differing parts manufacturers may sound different (the best example of which is tubes). And a part that sounds "good" in one manufacturer's circuit may sound "not good" in another manufacturer's circuit (otherwise, there would be a single "best" tube, second best, third best, etc.).
4. Audio equipment manufacturers ought to experiment with parts from a variety of manufacturers in the active circuits to understand which parts perform "best".
5. It is often a very bad idea to change parts design (e.g., go from metal film to mica to tantalum to ceramic capacitors) unless you know more than the manufacturer about his/her circuits.
6. There is a staggering amount of hype and BS in the audio business.
As a consequence, I am very skeptical when a manufacturer offers me the "option" of replacing all the parts with "name brand" parts. Firstly, it seems a bit random. But secondly it makes me wonder what the design philosophy of the company really is. The message I receive is that there are two versions available, one with "good" parts and one with "bad" parts. Why would a manufacturer make something with parts he/she believed were bad?
