TDA1541A date-coded 2001 - Are these real?

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Hi guys,

There is a Thai chap (dht-thai) selling TDA1541A which are dated code 2001 on Ebay.

He claims that these are new production TDA1541A by Philips Holland.

Are these chips for real or are they remarked chips?
 

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How do you read the date codes on these? I think that I have bought a chip a couple of years ago (maybe longer) from dht-thai, but have never tested it. I don't seem to recall getting it from Ebay, but may have gotten his name from there and contacted him. Now you have me worried, although I don't recall paying a huge amount for it.
 
The only device I have available is my Rotel 855, which the DAC chip is not socketed. I do have some good sockets, so I may remove the original DAC chip and socket it so I can test the (2) other 1541as that I have. I assume these will work OK in a socket?
 
Bought this last year from Charles Hyde Ltd. (authorized Marantz parts distributor in UK). I ordered a TDA1541A S2 😀 and this is what I got :bawling:

Sorry for crud photo, the text was engraved white. Was this from the final batch? Anyone got a later one?

(BTW I returned it for a full refund)
 

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The only device I have available is my Rotel 855, which the DAC chip is not socketed. I do have some good sockets, so I may remove the original DAC chip and socket it so I can test the (2) other 1541as that I have. I assume these will work OK in a socket?

That is exactly what I did to my Arcam Alpha to test half a dozen used TDA1541As that I got off eBay. Had no problems with the original chip or the player. You'd want to be fairly careful desoldering it though, it wouldn't be to hard to destroy the chip doing this.

I see that the trader on eBay that I got these chips off is now selling some of these suspect date coded chips. The ones I got from them were from various date codes '88 to '95, no picture was provided in the auction.

When did production of TDA1541As stop anyway, '97, '98?
 
Checked the two I have tonight and they are 95 and 89 date codes. I may go ahead with socketing the one in my Rotel... I do alot of soldering/DIY so don't feel too intimidated with it. I'll let you know when I "brick" it (I liked that phrase Jean-Paul... hehe).
 
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