beeman
Head-Fier
- Joined
- Jul 25, 2008
- Posts
- 52
- Likes
- 11
where did you get that?
A little bit more details are appreciated![]()
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the battery accidentally stop to work so i replace with the same voltage but higher capacity, the size can't fit the space in aune m1 casing so i put the battery replacement out off the casing.
i replace the battey space with several capacitor to coupling the tda1387 pin 7 to ground since the dac need alot capacitance to get a good bass quantity,i took off all opamp related with lpf and amp, and the power supply for +-9v.
the pararel tda1387 x 4 can drive the 150ohm earbud to about more than equal to 50% volume.
this is why i just bought the m1. A discrete daughter dac amp board. This means that provided you have a solder and basic understanding of circuit boards you cam tailor the sound card to your specifications. Bravo Aune. which means even an idiot like me is able to have a go at diying.