Raindrop Hui TDA1541A DAC Kit

wushuliu · 5th February 2011, 06:34 PM

Comes with multi-input converter for USB, Optical, XLR. I think I2S as well but I did not try that. Output caps are removed, but you will want to add your own anyway. I paid $130 shipped. Asking $65 plus shipping.

john65b · 5th February 2011, 10:47 PM

Email sent

wushuliu · 5th February 2011, 11:25 PM

SOLD

msmart2b · 9th April 2011, 11:30 PM

I have been using the Tda1541a from Raindrop Hui. It clips on cds with a lot of gain or with high dynamics. Has anyone else had this problem? If so, what can be done about it?

abraxalito · 10th April 2011, 01:05 AM

I'm curious about this problem - I've met the designer of raindrop_hui's boards, so I'll be happy to pass on feedback to him. Which model and with which CDs?

msmart2b · 10th April 2011, 01:50 AM

Quote:

Originally Posted by abraxalito

I'm curious about this problem - I've met the designer of raindrop_hui's boards, so I'll be happy to pass on feedback to him. Which model and with which CDs?

Models is DAC TDA1541A+WM8805 NOS 1.0UI multi-input.
Optical of COAX output from Oppo.
CD. Dido - No Angel - Any track massive clipping
Stereophile Test Disk 2 Track 8.
Does not clip with input from Airport Express. (Maybe lower level digital signal.

msmart2b · 10th April 2011, 01:51 AM

Sorry that should read optical OR coax input.

abraxalito · 10th April 2011, 01:57 AM

The clipping is observed on a scope? And what voltage level does the clipping happen at?

msmart2b · 10th April 2011, 03:08 AM

My scope is not in my living room. So I am not able to see what the signal that causes the clipping looks like. I have no digital processing experience and do not know how to correlate the input digital signal with the out analog signal.

abraxalito · 10th April 2011, 10:07 AM

This design looks to be a passive I/V so the output signal level is determined by the value of the resistor to ground at the DAC's outputs (pins 6 & 25). Do you know what value is fitted?

5th February 2011, 10:47 PM	#2
john65b diyAudio Member Join Date: Jan 2005 Location: Chicago	Email sent __________________ All right, but apart from the sanitation, medicine, education, wine, public order, irrigation, roads, the fresh water system and public health, what have the Romans ever done for us? Life of Brian

10th April 2011, 01:05 AM	#5
abraxalito diyAudio Member Join Date: Sep 2007 Location: Hangzhou - Marco Polo's 'most beautiful city'. 700yrs is a long time though... Blog Entries: 62	I'm curious about this problem - I've met the designer of raindrop_hui's boards, so I'll be happy to pass on feedback to him. Which model and with which CDs? __________________ When a measure becomes a target, it ceases to be a good measure. C.A.E. Goodhart

10th April 2011, 01:57 AM	#8
abraxalito diyAudio Member Join Date: Sep 2007 Location: Hangzhou - Marco Polo's 'most beautiful city'. 700yrs is a long time though... Blog Entries: 62	The clipping is observed on a scope? And what voltage level does the clipping happen at? __________________ When a measure becomes a target, it ceases to be a good measure. C.A.E. Goodhart

10th April 2011, 10:07 AM	#10
abraxalito diyAudio Member Join Date: Sep 2007 Location: Hangzhou - Marco Polo's 'most beautiful city'. 700yrs is a long time though... Blog Entries: 62	This design looks to be a passive I/V so the output signal level is determined by the value of the resistor to ground at the DAC's outputs (pins 6 & 25). Do you know what value is fitted? __________________ When a measure becomes a target, it ceases to be a good measure. C.A.E. Goodhart

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5th February 2011, 11:25 PM	#3
wushuliu diyAudio Member Join Date: May 2008 Location: Los Angeles	SOLD

9th April 2011, 11:30 PM	#4
msmart2b diyAudio Member Join Date: Apr 2010	I have been using the Tda1541a from Raindrop Hui. It clips on cds with a lot of gain or with high dynamics. Has anyone else had this problem? If so, what can be done about it?

10th April 2011, 01:51 AM	#7
msmart2b diyAudio Member Join Date: Apr 2010	Sorry that should read optical OR coax input.

10th April 2011, 03:08 AM	#9
msmart2b diyAudio Member Join Date: Apr 2010	My scope is not in my living room. So I am not able to see what the signal that causes the clipping looks like. I have no digital processing experience and do not know how to correlate the input digital signal with the out analog signal.

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