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Have anyone tried the "NOS" TDA1547 or SAA7350
Have anyone tried the "NOS" TDA1547 or SAA7350
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Old 6th January 2019, 04:38 AM   #1
poki921 is offline poki921  Taiwan
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Default Have anyone tried the "NOS" TDA1547 or SAA7350

Have anyone tried the "NOS" TDA1547 or SAA7350?
I do know there's still have the digital filters inside the 1547 or 7350
But is there any improvement if we bypass the OVER SAMPLING IC
Like SM5840 SAA7322.......?
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Old 11th January 2019, 08:33 PM   #2
miro1360 is offline miro1360  Europe
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I doubt that there is a working SMD SAA7350 for sale.
On ebay you can get only DIP packages of DACs which are not degraded during the process of recyclation of electronics garbage (like AD1862 and others only in DIP packages) - these are not degraded by hotair because they are simply pulled out from sockets (or you can still buy a few AD1862 chips as genuine from trusted sellers, you can find by google).
SMD components from ebay are another story (either degraded or broken at all, opamps faked - mostly remarked).

Last edited by miro1360; 11th January 2019 at 08:35 PM.
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Old 11th January 2019, 09:26 PM   #3
aparatusonitus is offline aparatusonitus  Croatia
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I have tried SAA7350 nonos dac (SM5840AP bypassed) a decade before...it does have the same sin(x) shaved high frequency as ordinary r2r dac and the quality of sound depends on actual dig. filter used/bypassed. If it is s good one like PMD100, I think you will want it to stay in signal path. But it is an interesting experiment anyway.
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Old 12th January 2019, 02:45 AM   #4
abraxalito is offline abraxalito  United Kingdom
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Quote:
Originally Posted by miro1360 View Post
I doubt that there is a working SMD SAA7350 for sale.
I have some which have been in an anti-static box since 1991. Offers accepted. Also some TDA1547s.
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