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Old 18th March 2011, 04:14 PM   #1
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Default I found a Pass amp piracy at this web page

Hello

I was urfing on the net for new audio pages and I found a Pass amp piracy at this web page:

http://www.discountedpoweramplifiers...064394_US.html

Bye

Gaetan

Last edited by gaetan8888; 18th March 2011 at 04:17 PM.
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Old 18th March 2011, 04:48 PM   #2
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wtf...this web site is confusing...and the link doesnt work
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Old 18th March 2011, 05:15 PM   #3
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Hello

It come from that clone amps web page, and there is a F5 clone in that page.

Audio Power Amp | DiscountedPowerAmplifiers.Info

Bye

Gaetan
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Old 18th March 2011, 05:21 PM   #4
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Originally Posted by aptquark View Post
wtf...this web site is confusing...and the link doesnt work
Looks like a 'front end' for a bunch of links to Chinese eBay seller auctions. I noticed a link to the Chinese 'diy EL34' amp that I built a couple of months ago.

Finding knockoffs/imitations of Pass amps boards on eBay isn't difficult, unfortunately.
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Old 18th March 2011, 05:30 PM   #5
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Yep.... Go to the US eBay site, and search on the ID tag given in the first post (380241064394)

It's for your typical Chinese "parts bag" for the F5. Buyer beware.

Unfortunately, it's difficult to stop this type of off-shore replication/piracy/theft of intellectual property.
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Old 18th March 2011, 05:38 PM   #6
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Hello

All those pirates do surf all the diy amps forums on the web, and they look for the most popular amps and schematics, they don't know a lot about amp design, but they don't mind since they pirate other's amps designs.

Bye

Gaetan
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Old 18th March 2011, 05:45 PM   #7
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Mind you, the only time he's using anything referring to the amp's origin is in the link to the PSU board ("LOW COST POWER SUPPLY BOARD FOR 2 X PASS F5 POWER AMP!"). He seemingly doesn't use any copyrighted labels or logos, neither in the description of auction nor on the pcbs. BUT notice that he only shows one side of the pcb...
The circuit has been published, without any layout. The seller declares it as a kit.

Not that I would buy or advertise such a thing...don't get me wrong, but how's that piracy? He should of course state that it's a kit for a clone based on an F5 circuit...

These boards have been around for a long time and I believe there are bigger fish to fry.


Edit: I wonder how he matches the ZTX without removing them from the cardboard
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Last edited by Rodeodave; 18th March 2011 at 05:49 PM.
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Old 18th March 2011, 08:54 PM   #8
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My response is to keep my foot on the accelerator.

Fast Forward...

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Old 19th March 2011, 01:25 AM   #9
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My response is to keep my foot on the accelerator.

Fast Forward...

hehe good one
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Old 19th March 2011, 01:28 AM   #10
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Originally Posted by Nelson Pass View Post
My response is to keep my foot on the accelerator.

Fast Forward...

Papa--just make certain the floor mat doesn't get entangled with that gas pedal....!
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