it seems that my DIR9001 is dead, yesterday remove it and replace it now led's s working
but still no signal, and he is getting really HOT
need to know the voltage modification R1 now 510 ohm add 4K serial or parallel?
A word of warning - the 47k resistors on the output cap side are there for a load setting purpose.
I removed and shorted the 10uF caps at the output because my preamp has 0.47uF film caps at the input.
But you can’t remove and short the 47k resistors, otherwise you short the signal outputs.
You can remove the 47k resistors, but don’t short them. Doesn’t seem to have changed the sound signature at all.
I've long since removed mine so can't remember the original values for R10,11 but the silkscreen says 680ohm. Your safest bet is to halve the values you have, that'll halve the output. Quickest route to that is solder another resistor of the same value in parallel with the existing ones.
hi everyone, i just bought the muse tda x4 and the 15V adaptor which came with it is terrible, generated a lot of hissing noise, so i changed to a better email@example.com adaptor. So do i need to change any resistor value or its fine to use the 9V adaptor? and can you please point me some hints for modification this little dac :)
thanks for reading and sorry for my poor English
hey JEEP! Are you still doing NOS153 x4 NOS chips mods?? i love the way mine sounds stock with a high current 12 volt external battery attached.
what else would you do to significantly improve the sound and what would be the approx cost? thanks, drblue