You have got to be kidding me? Of course there will be a difference in sound between genuine speakers and fakes. Chinese counterfeiting operations are very established and sophisticated now. They have the ingenuity, machines and people to make copies of "mechanically simple" items such as speakers. It is well documented that there are fake HSK165 speakers floating around. I just spoke to a car audio retailer and he told me he recently saw some fake DLS speakers (there were spelling mistakes on the box).If you look at several sets of identical 100% genuine Hertz speakers at a retailer (which would never happen as no one stocks 2 sets of anything hertz makes due to limited demand) you would see that some are sloppy with the glue on the surrounds, some are perfect, some are sloppy with the paint etc.
If you considered Occam's razor in this situation, what is more likely, that Noms received a set of MLK's that Ambrosio did a ****** job on and Pavarato pushed through QC late on a friday to get home early, or that some people took the time and money to tool up machines and gather identical materials to build a doppelganger of a limited production run speaker for an incredibly small niche market? There simply isn't enough money in it for someone to make a clone of hertz speakers. It is barely worth it for Hertz to make them! In addition, even if they were "fakes" how different are they from the real thing? Can you hear a difference?
I received a fake Wilson ncode Tour 90 tennis racquet that "felt" different to the real thing. Just imagine how different high-fidelity electronic equipment would be.
Back to the speakers I received. The light grey capacitors in the crossovers look sloppy and fake as hell. Look at the ends and the missing paint:
http://www.users.on.net/~wren26/19a.jpg
In genuine crossovers, I have seen two variations of these capacitors (left: fake, right: genuine):
http://magnitola.org/attachments/car-audio-sovety-po-avtozvuku/30200d1261483876-hertz-mlk165-ketai-krossy.jpg
In the second photo they are shiny and have little metal clips at the base of the wires.
http://www.users.on.net/~wren26/genuine%20MLK/fotka16.JPG
The fakes also have different text (335 J 100V instead of 3.3μF 100v) on the large white capacitor, and have a grey capacitor (should be white) above the inductor.
Tweeter (and woofer) grills are thicker on the fakes (left: fake, right: genuine)
http://magnitola.org/attachments/car-audio-sovety-po-avtozvuku/30198d1261483876-hertz-mlk165-ketai-vch-anfas.jpg
Look at the variation in the characters of the word "HERTZ". Genuine speakers have a thinner font and perfect finish.
http://www.users.on.net/~wren26/01.jpg
http://www.users.on.net/~wren26/02.jpg
http://www.users.on.net/~wren26/03.jpg
These irregular stampings are caused by mechanical failure not human error. The engineering quality is no where near as good as the originals.
Here are some good links to additional photos of fakes:
http://www.diymobileaudio.com/forum/general-car-audio-discussion-no-question-dumb/109206-fake-hertz-2.html
http://magnitola.com/en/prodam/65231-kinuli-na-poddelku-mlk165-13.html
http://translate.google.com.au/translate?hl=en&ie=UTF8&prev=_t&sl=auto&tl=en&twu=1&u=http://magnitola.org/car-audio-sovety-po-avtozvuku/61552-hertz-mlk165-ketai.html
-Jon
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