Originally Posted by Scotth3886
So is that what happened to me?
Not you, I am talking about those that designed electronics in audiophile and become famous back in the days and they still think they know electronics. Electronics becomes the major industry, new theory, knowledge, invention coming out every day. Even people that got high education 50 years ago are way out of date if they don't keep up. If they got famous in design audio stuff decades ago and not keeping up with the new world, they are obsoleted and what they think and consider correct might be way out of date.
The reason high end audiophile particular power amp is so behind is because there is NO MARKET and NO MONEY for it. Sure everyone have to have a stereo or surround sound, BUT how many are willing spend $1000 for a power amp and over $1000 for a pair of speakers? All the money in audio goes to the low end brands like Yamaha, Onkyo etal. How many a years you really think high end brands like Krell, Mark Levinson type can really sell? If the volume of sell is low, the production cost will be high, that make it even harder to sell. I bet these high end brands are mostly small business. People spend more effort on class D amps because it can be made much much cheaper and dominate the mid-fi market by making if good and affordable. But the true high end amps really never improved much, not that it cannot be improved, but who want to spend their time doing it as there is NO MONEY.
EE is the career of the modern days and the future, people earn $100K+ a year if they are just doing ok. Who wants to stuck in a small industry like high end audio where there is not much future and no money? All the designs of power amps has NOT improved since the new generation higher voltage faster power transistors became available in the late 80s.!!! When I was still working, I never even consider looking for jobs audio electronics even though I started my career designing guitar tube amps. It's not challenging and there is no jobs and no money. My career is so much more challenging than audio electronics. It's only after I retired, I am getting back into my roots, hell, it's better than playing crossword puzzle!!! I hope I can keep my mind active designing power amps.
Because all the above, I question people that are designing audio electronics particular power amps whether they really know what they are talking, whether they really have the knowledge, OR they just copy each other and do some improvement and call it their own. Like I said in the last post, you read some of the service manual with circuit descriptions, it's laughable.
Now, the preamp is a different story as there are a lot of new knowledge like DSP, streaming etc. But you have to watch out because those are all DIGITAL electronics. People that design digital electronics DON'T know analog and ground loop problem, that's when you get all sort of noise problem, interference. You read people complaining about noise and all that problems. These are easy to fix IF one know signal integrity design. I bet those old timers don't even know the term "Signal Integrity" because this became important only like 20 years ago and now they even have a special kind of EE called Signal Integrity engineer that specialized in fixing and designing circuits to reduce noise.
You want to bet, if there is money in the high end audiophile, a lot of new invention will be made in no time. You need money to attract talents. No money no talent!!! Like I said, who want to make a career in this field?
Back to speaker cables, if people have a $700 receive or a $500 power amp with $1000 speakers, I am sure speaker cables won't make much of a difference because the amp and speakers are just NOT good enough. BUT if they have a pair of high end speakers that are hard to drive.....like your Martin Logan and my JM Lab, the amp and speaker cable make a day and night difference. The speaker cable can make or break the system. It is my opinion that the speaker cable is just as important as the power amp for speakers that are hard to drive and have extreme swing of impedance. Hell, when I had my pair of Kef Uni-Q with my old SAE, I used small wires as speaker cables and I was happy. I would be in the camp that speaker cables are not important and all power amps sounds the same as long as it's not clipped. THEN I LEARNED.