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Old 2nd November 2004, 03:04 PM   #1
Van Hai is offline Van Hai  Hong Kong
diyAudio Member
Join Date: Oct 2003
Location: HOng Kong
Default TDA 1387 I/V need help please

Hi Foruns,

Now i build TDA 1387 DAC which use battery, but the out put very low, but the sound amazing to me, warm not hash on high freq and good sound stage compare to TDA 1545, seem to me it is a very good DAC.

on the out put i have 2.7K for Left and right and Ref cap 1uf to ground,
between 2.7K and dac 3uf to the out put for L R.
Anyone, please have a look at Data sheet and help on the I/V to make the out put higher. normally my volume setting just 1/4 give me loud sound, now i need to almost max to get normal listen sound.


Van Hai
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Old 2nd November 2004, 03:09 PM   #2
Van Hai is offline Van Hai  Hong Kong
diyAudio Member
Join Date: Oct 2003
Location: HOng Kong


sorry for the link

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