Jadis JP200 and Marantz 7 clones from Hong Kong

HK,Nigeria,late night programming,clean white teeth in only 2 days,step right up ladies and gentlemen.Its a mad world and always has been,especially now with all the cyber-pretenders.Anytime a wrestler,a weightlifter and an actor can be Governor,you got to figure its best to keep truckin and dont think twice their legit on the other side of the asylum either......

Bartokfan: Forgive my poor communication skills.
"You-know-who" does not refer to noble Jadis but to our "friends" in Hong Kong.
Speaking of "friends", remember the scene in "Mars Attacks!"
when the little people where scampering around with a loudspeaker blurting:
"Don't run, we are your friends!"?

P. S. Some day hope to own Jadis 845 monos...

I see real great comments and feedbacks in here. I really apppreciate that.

Althought I still know nothing about other's experience with those "re-eningeered" designs, I see an interesting point here. Would any decent implementation of those "re-engineered" designs amount to anything?

If you happen to look at those listings in eBay, you'd see the parts are actually not so bad. Of course, like Kw6 said, the quality transformers could not be reproduced in those budget-minded imitations. So it's expected to be (several) cuts below the real thing, but could it compare favorably with, say, any decent $2000 preamps out there, simply because it's still fundamentally a great design?

I think the reliability of these units would be good enough. Tube audio gear is inherently simple stuff. If you buy a kit, and are handy enough to put it together, you can probably also fix a fair amount of what may go wrong down the line.

However, like kw6 states, you'll never get the Jadis transformers. Transformers are by far the most critical piece of a tube component, what one should put their money into, and among the biggest reasons a Jadis is a Jadis. I'll also note that the passive parts appear to be different (the Jadis capacitors, which like the transformers, you'll never get), and I have had enough bad experiences to now understand what a good friend told me, "Jadis voices their equipment, and most people look at some of the cheap parts used, and figure they can make things better via modding it. Not so easy." Indeed. I've paid a pretty penny setting my amp back to stock, and the improvement was more than worth it. The unit using a PCB instead of being hardwired is another thing. I never understood Shelby Cobra and Mustang clones, but they sure are popular with others.

If your only goal is to copy the circuit, it seems like a good deal. I could think of worse things to copy than a Jadis. Why not start there?

Then again, you may have issues with someone blatantly disregarding intellectual property, as it's out and out plagiarism - or, maybe you don't...