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Mini Dac TDA1543 X 4 NOS - Page 63

post #931 of 935

How reliable is this Muse DAC?

Does it break easily?

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post #932 of 935

It is fairly reliable. I have been carrying it in my bag for some time and nothing happened and it is still working. I would expect the toslink port to be the weakest point if it is being used much. But for the price I can live with a short lifetime for the product.

post #933 of 935

Thought I'd update the thread on a a few changes I've made.

 

I've changed the voltage drop resistor (510R on the stock board) to 390R, which gets 6v to the TDA1543 chips.

 

This then (refer an earlier post) necessitates 200R iv resistors, and the vref resistor of 250R.

 

After all these changes, and with 10uF Siemens MKL capacitors, I must admit this is one of the finest sounding DACs I've yet had the pleasure of hearing. 


Edited by lordearl - 10/10/13 at 6:36am
post #934 of 935
Quote:
Originally Posted by lordearl View Post
 

Thought I'd update the thread on a a few changes I've made.

 

I've changed the voltage drop resistor (510R on the stock board) to 390R, which gets 6v to the TDA1543 chips.

 

This then (refer an earlier post) necessitates 200R iv resistors, and the vref resistor of 250R.

 

After all these changes, and with 10uF Siemens MKL capacitors, I must admit this is one of the finest sounding DACs I've yet had the pleasure of hearing. 

It would be great to compare a stock one with the modded version.

post #935 of 935

I've been working on creating a 12v power supply to replace the Chinese wall wart that came with my MUSE DAC. The challenge in doing this was really just being able to build one that can provide enough current to this power hungry DAC. I sourced out the parts and was able to throw together a breadboard prototype and the other night soldered together a first pass protoboard prototype. 

 

The only challenge at this point is keeping the voltage regulator and rectifier cool due to the 2A current ;)

 

I'm unable to attach pictures to posts (yet?), so I'll post these links to two crappy cell phone images I took:

 

Picture 1 - 12v Protoboard Power Supply

Picture 2 - 12c Protoboard Power Supply

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