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Singlepower's Response - Page 7  

post #91 of 211
Quote:
Originally Posted by GoRedwings19
So basically are you saying that what is proven or disproven about build quality, reliability, safety, tube class operation, warranty, that people will still not believe it????? Or have I misinterpret you?????
There are a few factions in this whole debate:

1) Those who don't believe much of what Mikhail says
2) Those who don't believe what those in group 1) are saying
3) Those who don't *care* about the results of this line of inquiry
4) Those who hate us and Head-Fi for even asking the questions

It's a delicate situation that has been handled like a boxing match.
post #92 of 211
As a side not I’ve posted the pictures on another tube audio website asking for comments.

These people do not know anything other than seeing the images and I’ve made no comments. I did this to get an unbiased point of view.

It’s 100% negative. This is from people who build and appreciate fine tube gear.


Mitch
post #93 of 211
Quote:
Originally Posted by braillediver
These people do not know anything other than seeing the images and I’ve made no comments. I did this to get an unbiased point of view.

It’s 100% negative. This is from people who build and appreciate fine tube gear.
Not entirely shocking...any specific comments?
post #94 of 211
Quote:
So if my understanding is correct is that why u need 3 phase power outlets to power the biggest krell amplifiers???? Or am I off the mark????
No.A three phase cord can be added to any piece of audio gear.With high power high current amps it is practically a must but old high power amps did not have them and worked just fine
post #95 of 211
Quote:
Originally Posted by strohmie
Have you been reading and do you understand the nature of "pure class A" and "single-ended" circuits?
Have you been reading? I have read the thread very carefully, but some people are more interested in making accusations about people and drawing premature conclusions than in discussing things in an objective manner. I am done with this thread and this issue. It is too disturbing to read and to be a part of any longer. At some point, you shake the dust off your shoes in protest and go on to the next town. (Acts 13:51.)
post #96 of 211
thank god lextek is ok, atleast with legal sides..thats alot of sweat off my shoulders
post #97 of 211
having been more of an observer of this thread than a contributor up to this point, it seems to me that

1) those defending the amp have been screaming 'consipracy' while those who with criticism have for the most part been very careful and specific with their concerns. i never got the idea that people were being unreasonable and 'out to get singlepower'. i haven't seen people questioning the sound quality or the reliability TO DATE, but merely looking at photos (which by the way were never denied to be Singlepower by Mikhail) and suggesting possible hazards and poor craftsmanship. i know that i have never seen any photos of gear on this forum that looked like that on the inside and people seemed to have geniune concerns for very specific parts of those photos.

2) Mikhails response seemed to very carefully skirt around the actual specific questions and contained siginificant subtext in what he did NOT actually say.



I think that these amps are probably just as amazing as people here testify, but it seems like the builder of them has been outed for the type of wiring job he has chosen to do, for whatever reason (belief in its sonic characteristics, carelessness, cost cutting). The important thing about his response is that it has assured the owners and potential owners of his amp that they need not worry about repairs IF some problems ever arise. (and they haven't seemed to from all the owners)

What will happen as a result of this incident I think is that we can expect all new Singlepower amps to have a much cleaner internal layout now that the builder has realized that he is accountable to the appearance of the inside as well as the outisde and sound quality of his work and that there really may be possible safety issues, if not customer issues.

It seems to me like being caught for this wiring job was a bit of a screw up, but that by his response it looks like he's a top notch guy who stands by his product and will ensure customer satisfaction.
post #98 of 211
One note about the patent issue no one has mentioned: In order for a patent to be enforceable, the invention covered by the patent should not be exposed to the public before the application process has begun. In other words, you can't freely expose your invention to the public, then file a patent and expect it to hold up to legal challenges. A challenging party in this case will argue that the invention was already out there, so therefore can be no infringement on the patent. In patent suits, lawyers often dig into the past to determine if the invention was indeed exposed to the public. Makes sense, right? Protecting IP is tough business.

This is to say the Mikhail does have a sound justification for keeping the lid on his amps, literally. If pictures of his amp's internals circulate on, say, a website like this, his inventions may become difficult or impossible to protect via patents. So in my opinion he has good reason to request to keep the photos off the web. Heck, exposing the invention can damage his ability to enforce the patent, and thus damage the value of his business.

My last company was heavily involved in patenting technology and derived its value from enforcing patents. It's been a few years since I've done any of this kind of IP work -- I'm an entrepreneur, not a patent lawyer -- but I believe these details are generally accurate.

You could argue that Mikhail has gotten screwed twice here: once when his invention were exposed, and again when his integrity was impugned for asking people not to publish the photos. As a fellow entrepreneur, I feel sympathy for him.
post #99 of 211
Quote:
Originally Posted by gregeas
One note about the patent issue no one has mentioned: In order for a patent to be enforceable, the invention covered by the patent should not be exposed to the public before the application process has begun. In other words, you can't freely expose your invention to the public, then file a patent and expect it to hold up to legal challenges. A challenging party in this case will argue that the invention was already out there, so therefore can be no infringement on the patent. In patent suits, lawyers often dig into the past to determine if the invention was indeed exposed to the public. Makes sense, right? Protecting IP is tough business.

This is to say the Mikhail does have a sound justification for keeping the lid on his amps, literally. If pictures of his amp's internals circulate on, say, a website like this, his inventions may become difficult or impossible to protect via patents. So in my opinion he has good reason to request to keep the photos off the web. Heck, exposing the invention can damage his ability to enforce the patent, and thus damage the value of his business.

My last company was heavily involved in patenting technology and derived its value from enforcing patents. It's been a few years since I've done any of this kind of IP work -- I'm an entrepreneur, not a patent lawyer -- but I believe these details are generally accurate.

You could argue that Mikhail has gotten screwed twice here: once when his invention were exposed, and again when his integrity was impugned for asking people not to publish the photos. As a fellow entrepreneur, I feel sympathy for him.
Good points -- do you have any comment about Wodgy's statement? It questions the time period in which the invention is allowed to be out in the open before a patent is no longer able to be filed.
post #100 of 211
Producing an invention for commercial sale constitutes public disclosure for patent purposes. Mikhail did this two years ago. Pictures would have no impact on this.
post #101 of 211
These "translations" are highly subjective, and highly speculative. This commentary is meant to instill disdain for SinglePower, rather than to communicate factual information.

Quote:
Originally Posted by Wodgy
Mikhail's statement is, in my mind, potentially misleading.



Translation: In the USA, we are not "required" to meet any standards. So yes, this statement is trivially true. Be specific. Which standards, if any, do you meet?



I have my doubts as to whether this is entirely true. In one of the pictures Braillediver posted, the earth ground appears to be tied to the chassis separately from other ground points. It is difficult to be certain about this from the pictures, however. Perhaps Mikhail's statement is only true for signal ground points.



Translation: the claims that the amp circuit (except for the power supply) is identical to Chu Moy's optimized Morgan Jones save for a few resistor values are probably true.



Translation: for low impedance headphones, this amp runs in Class AB unless you listen only at low and moderate volumes.

Despite all the claims made to reviewers, this amp is not single ended.



Translation: once we clean up our layout and improve our assembly practices, we'll make pictures available. We tried to prevent pictures from getting out for the first two years of our operation, but now we'll just have to fix up our work.



Translation: Now that someone has told us that claiming something is "patent pending" when in fact it is not is a violation of the law, we're no longer using that wording.
post #102 of 211
Although you may be right in your analysis, I'd really like to know the basis/depth of your qualifications and expertise for providing such a critical analysis of the pictured circuitry.

Quote:
Originally Posted by comabereni
Thanks for the photo reminder of why this whole thing started as well as your thoughtful commentary on why this represents questionable manufacturing practice. It seems rather obvious (to me), this is either about cost-cutting or simple inability/unwillingness to implement a better (more durable, duplicatable, and probably safer) layout solution. Oh well--some people have messy desks and never mate their socks together, but they dress nice and can carry a tune.

Whether true or not, I can't help but imagine the final checkout as the lid is closed and exposed wires gets crunched closer together: "nothing touching here... check... nothing touching there... check..." all the while keeping an eye on the connections with a flashlight. If this represents state-of-the-art, then I am hopelessly misguided. This reminds me of Chevy Chase's "Christmas Vacation" house lighting project.

Note that my remarks are not directed toward the honesty or integrity of the manufacturer or his claims--I'm not qualified to comment. The workmanship simply appears to be quick, sloppy, potentially unreliable and possibly unsafe for the reasons Braillediver described. But I'm sure it sounds great and am willing to bet it would go up in price if executed differently.

I'm finished now.
post #103 of 211
Quote:
Originally Posted by mikeg
These "translations" are highly subjective, and highly speculative. This commentary is meant to instill disdain for SinglePower, rather than to communicate factual information.
Has anyone thought of subjecting their amp to a neutral party for tests by a qualified enginner with no links to the parties/members or headfi in anyway to end this discussion on headfi? And then present the results on headfi and let members see for themselves once and for all. This is just only one way to end the discussion but it is not the only way.
post #104 of 211
Quote:
Originally Posted by GoRedwings19
Has anyone thought of subjecting their amp to a neutral party for tests by a qualified enginner with no links to the parties/members or headfi in anyway to end this discussion on headfi? And then present the results on headfi and let members see for themselves once and for all. This is just only one way to end the discussion but it is not the only way.
Yes, this has been thought of, but hasn't been followed through as of yet. It's hard to find someone on Head-Fi with a Singlepower who's willing to part with it for inspection.

Seriously though, it's something that should be done.
post #105 of 211
Quote:
Originally Posted by strohmie
Yes, this has been thought of, but hasn't been followed through as of yet. It's hard to find someone on Head-Fi with a Singlepower who's willing to part with it for inspection.

Seriously though, it's something that should be done.
Maybe we should use your quail powercord on them then
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