Pass Labs knows the reason or philosophy. Evident as a clearcut separation between the pleasure of audio DIY, and the profitable business of Pass Labs. A schematic of a successful commercial amp, or to be one is bread and butter. I look at a schematic and see glass, while another values it as a free diamond to mine and to easily profit from.
There is a reason. The primary income of myself and my partners depends
on the distribution of Pass Labs product, and it is clear that distribution does
not want to see cloning in their markets. They are the customers, and
always right 🙂
At the same time, FW doesn't worry about business volume so much, so the
policy is more lax. That said, I have stopped issuing "official" schematics for
active FW product, and remain content with spreading enough breadcrumbs
so that you guys can figure it out for yourselves. Experience is that the
cloners want to steal official schematics. If it says "ZM" in the corner, not
so much.....
Besides, a little thinking is good for you.
😎
yup ;
and just because Pa is even worse cheapskate than you can imagine , he's using bi-phase mains connection in XS , that way needing thinner wires and less amps in audio-grade fuses
Yeah, suppose every pimp walked around in a fur coat, how would that look ?
Am I right or am I right.
There you're wrong, you'd be surprised how many official schematics and/or SM's are floating, of active IP. The regular competition is not the issue.
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Nooooooooooo - I said a clone of a ZM clone.... Not even the pimps would try to sell that on the street corner because they know that ZM would use baby diyAudio site to put out the word and track 'em down..... 😀😀😀
Wastemark made me laugh. I agree with your valid comments above. While working for Rohm and Haas Co, it was more worried about the small-time competition than the regulars like BASF or Dupont or 3M. The latter's legitimate competing technologies were a challenge, and they didn't bother to infringe on live patents of others.
The post above by Mr. Pass may be understood as a Mission Statement. Best used by audio DIYers to guide and calibrate their attendant needs, wants, and expectations of Mr. Pass. He's got serious businesses to run.
Amusingly, it does not appear that any cloner actually bought the product
and reverse engineered it.
😎
and reverse engineered it.
😎
I was just going through my change drum. If only those IOU's were any good. You dont take IOU's do you? It seems to be wriiten by a fella named Choky. Said you would vouch for him.
diy ACA is protected by the last active patent of Pass Labs. Go ahead cloners; make my day. Show me and/or the high end audio community your commercial [maybe more powerful, and/or improved] clones of my baby diamond.
Bigger blanks versus bigger guns.
(shooting with a checkbook does make cleaner holes, much more "civillainised" than the dark alley)
(shooting with a checkbook does make cleaner holes, much more "civillainised" than the dark alley)
I beleieve that would be the "amp with active current source". That appears to have been filled in 96 and granted in 98. 15 years ago 😉
But I don't see the association? That is the Aleph Patent 😀
Fortunately for Pass Labs, and FirstWatt, commercial cloners do/did not appear to give a damn about cloning their products. Despite the abundant and overwhelming published technology by Mr. Pass. Even the legitimate cloning of products via their expired patents. I agree with you that patents have their limitations. Win or lose or abandon, patent lawyers always get rich.
Antoinel - last patented is what you can see on top of enclosed pic ; that's Aleph CCS
ACA is nowhere near that ; ok - just one/two caps & resistors difference , but that's huge difference
ACA is nowhere near that ; ok - just one/two caps & resistors difference , but that's huge difference
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