Is this a real TDA1541A? - Page 43 - diyAudio
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Old 2nd October 2013, 02:57 PM   #421
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Hi there,

I've gone through most of the thread and still can't figure out what the deal with the 1541 HHH chips is, I just obtained an old Phillips CD-640 with one of those inside which I plan to yank out very soon as try out in my DAC.

If anyone could provide some insights, they would be much appreciated.
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Old 16th May 2014, 10:19 AM   #422
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Can anyone shed a light on the following picture and tell me if this could be genuine?

"NOS "New old Stock" Philips DAC Chip.
TDA1541A S2 HSH 0449 2 originally built in Holland.!

As far as i know, these chips are from the last lot of these types.
Made in 2004, on latest Philips Production Line, with advanced technology.
No after band- selection, because the quality was already on the
double crown -level when they came out of the production line.
Only to supply High End OEM-s like Marantz and other audiophile vendors,
with spare parts for there latest CD-players and D/A-s.
"

According to the seller the signature on the chip is laser engraved.
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File Type: jpg tda1541.JPG (202.3 KB, 326 views)
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Old 16th May 2014, 12:43 PM   #423
oshifis is offline oshifis  Hungary
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Philips never produced a laser engraved chip. I bought 4 of those (not knowing what I do, TDA1541A without S2), they got very hot and don't work.
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Old 16th May 2014, 07:42 PM   #424
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Quote:
Originally Posted by oshifis View Post
Philips never produced a laser engraved chip. I bought 4 of those (not knowing what I do, TDA1541A without S2), they got very hot and don't work.
Why would someone go to all the hassle of creating a fake TDA1541A S?

The expensive laser engraving + original font-type you don't see on fake ones.
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Old 16th May 2014, 08:29 PM   #425
Eldam is offline Eldam  France
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Location: At home, sweet sound home...
Look at the first picture of the thread !

maybe for money...you don't know really how it was made ; some fakes with art objects of low value exist also and are really maid with false good quality but stay fake !

For me it looks like a genuine one I had from a Philips CD301 but not A grade. But with the only four letters (instead 5 most of times)... last number begin wit hsh87;;; so from 87 !

mine have no philips logo ! but is true non A.... So here on the first picture they add at least a A or the complete marking is a fake.
You can not know just with marking according to me. Best is to buy a second hand low cost device and forgett about S grade nowadays.

Last edited by Eldam; 16th May 2014 at 08:36 PM.
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Old 17th May 2014, 11:14 AM   #426
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Did they ever "print" the S2 ?

I thought it was stamped on with the crown mark after being hand selected.

Kevin
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Old 17th May 2014, 11:28 AM   #427
ishiru is offline ishiru  Indonesia
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i could say it's fake.totally different than what i know and what i pulled from some dead CDs.
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iono wat i do
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Old 17th May 2014, 12:36 PM   #428
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On Monday or Thursday I will have first hand info from someone at Philips if these could be genuine or not.
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Old 17th May 2014, 02:40 PM   #429
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I've also found an ad on eBay from 2012 from a seller with a good reputation and still active who was selling 3 pieces with an differend image showing exactly the same (matching numbers) TDA.
I've contacted him about his TDA's.
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Old 17th May 2014, 03:17 PM   #430
esgigt is offline esgigt  Netherlands
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I2Paq, are you looking for a replacement in your DAC? In that case I think you could spend your money better on other stuff.... There is not a land-slide difference in quality only in minor details. And with all due respect, I think it is wiser to first optimize your current DAC before changing the TDA...
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