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Old 22nd August 2006, 10:07 AM   #1
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Default DIY Gene on eBay - Aleph 5 boards

Hello Everyone!

Sorry if this is a double post - I got an unusual message and I'm not sure if the first post succeeded (I can find it, so I'll assume it got lost in the ether).

I have been planning to build an Aleph 5 for way too long now. In my travels I came across a seller on eBay called "benytlau" who has an eBay store called "DIY Gene". He is selling an amplifier based on the Aleph 5 (you can bet it's identical) called the M-10.

Here is an example listing of a pre-assembled and tested amplifier module:

http://cgi.ebay.com/ws/eBayISAPI.dll...m=260016252358

The seller is based in China, while I'm based in Australia (added risk to me). The seller does have very good feedback and replied to my inital queries very quickly (and in very good English). Has anyone had experience with this seller? Any thoughts on the products? Any questions I should make sure I get answered? What about the price? All comments welcomed!

Thanks in advance,

Daniel Paull
 
Old 22nd August 2006, 10:12 AM   #2
Netlist is offline Netlist  Belgium
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Opinion?

There is no fun in building a stolen design.

/Hugo
 
Old 22nd August 2006, 10:42 AM   #3
Zen Mod is offline Zen Mod  Serbia
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find another way to build it;
ask for help and advices here ,and you'll have both.
steal whatever you want (as we all other do ) for personal purposes (meaning -I want one amp ) ,but do not support someone's illegal business.

no offense intended to you.....
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Old 22nd August 2006, 10:58 AM   #4
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Wow, that's pretty bold, and as far as I know it's against Ebay policy. I'd bet NP could shut that down with 1 email.
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Old 22nd August 2006, 11:32 AM   #5
karma is offline karma  Canada
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saying Circuit design based on Pass Labs Aleph 5.
and not pass labs aleph 5, kinda covers his butt legally.

he could just turn around and call it a m-10 class a amp. under another ebay account its hard to stop these guys.

im not going to say how you can have up to 5 accounts on ebay
with the same adress but i do

and no i dont use them for illegal purposes

cheers
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Old 22nd August 2006, 12:04 PM   #6
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Yeah, I'm not full bottle on the copyright issues and patent infringements that this person may be facing. So, it's a heads up the NP I guess.

For all I know, this fellow could be authorised to sell the amplifiers. But, until I hear othherwise, I assume he's dodgy and steer clear.

Really, I'm just after PCBs as this is the one part that I'm going to find diffficult to manufacture myself, and hard to justify the efforts for only 2 amps!

My preferred option is the boards from Brian:

http://www.diyamps.com/aleph/aleph.shtml

However, his order page states that they are "out of stock". Perhaps I'll shoot Brian an email shortly and see if he can help. Can anyone offer advice on souring PCBs?
 
Old 22nd August 2006, 03:59 PM   #7
gl is offline gl  United States
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The PCB looks familiar. I believe that this individual displayed the layout on this forum a while back and asked for comments and advice. It was represented as a personal DIY effort. This is a pretty distastful situation IMO.

Speaking for myself, I avoid all of these commercial or psuedo-commercial efforts to make money off Mr. P's IP. Do it yourself - from scratch.

Cheers,
Graeme
 
Old 22nd August 2006, 06:19 PM   #8
Netlist is offline Netlist  Belgium
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Alephs are really not that complicated.
Building them on a vero board has given me the most pleasure. Mount the gate resistors directly to the mosfets, build your power supply and solder the remaining parts point to point. Connect everything with some neat wiring and youíre done.
Donít forget the blue LED.
Industrial AlephX High Power version

/Hugo
 
Old 25th August 2006, 07:24 PM   #9
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I agree with Netlist.

You'll get at least twice as much satisfaction out of wiring the whole thing yourself as you will from stuffing a board that somebody provides for you. You'll learn more about how it works, too. With a little time spent on layout, it will look pretty cool too.
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Old 25th August 2006, 07:32 PM   #10
Variac is offline Variac  United States
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He has other amps for sale too, including a "Jeff Rowland Clone"

I hope Nelson can go after him...
 

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