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Old 25th November 2008, 05:36 AM   #1
MarkLai is offline MarkLai  Hong Kong
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Default Ad1865nk Are These Fakes

I got these 6pcs from a dealer. (see photo)
Only the top two pcs look "better"

Anybody can give me advice if these are fakes or else?

Thanks
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Old 12th December 2008, 06:19 AM   #2
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They look different than mine. On mine, NK is inside a white rectangle in black letters, right after AD1865.
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Old 12th December 2008, 06:27 AM   #3
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These came direct from Analog a few years ago.
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Old 12th December 2008, 06:45 AM   #4
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Yes, they look fake. Mine n-k's looks like the last picture.

Both N, N-J and N-K that I have.
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Old 12th December 2008, 02:22 PM   #5
jitter is offline jitter  Netherlands
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The stamp on the top often says very little about whether an IC is genuine or not. I've seen fakes that had better looking stamps than the real thing!

For many years now I'm familiar with one specific type of Analog Devices DAC (not one you could find in a CD-player, though) and the stamp seems to vary a lot between batches. So far they have all been OK.

The Nakamichi CD-4 I bought in 1994 has the AD1865N. It doesn't look dissimilar to the ones in the original post.

Click the image to open in full size.
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Old 12th December 2008, 06:41 PM   #6
robot is offline robot  Croatia
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I must admitt that I never see those like MarkLai s ad s
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Old 12th December 2008, 07:34 PM   #7
jitter is offline jitter  Netherlands
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Here's another similar looking "stamp" (looks more like it has been lasered), this time it's the AD1864N in the older version of the Nakamichi CD-4.

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