AD1865 in piggyback

cmt42001 · 9th November 2005, 07:57 AM

Goodday guys, has anyone tried piggyback AD1865 for a parallel run?

Vidalgo · 9th November 2005, 10:34 AM

Try them balanced, no stacked.

Elso Kwak · 9th November 2005, 11:40 AM

Balanced or doggy style it doesnot make any difference for me, in my experience. Been there done that.

Vidalgo · 9th November 2005, 12:28 PM

At balanced mode, you can get from AD1865N-K nearly true 18-bit resolution, or up to -106dB effective dynamic range (real measuremets).

cmt42001 · 10th November 2005, 08:19 AM

I was asked by my friend to add one more ad1865 to his Audionote 1.2 dac in a piggyback style, and I wonder is it worth it since he has one AD1865NK siitting around.

Elso Kwak · 10th November 2005, 08:32 AM

NK version helps more than piggy back or balanced!

Ulas · 10th November 2005, 09:30 PM

Quote:

Originally posted by Elso Kwak
Balanced or doggy style it doesnot make any difference for me, in my experience. Been there done that.

Interesting. It seems you’ve changed your mind regarding balanced DAC chips.

Quote:

Originally posted by Elso Kwak
However the [balanced] audiosignal is much cleaner, less high frequency garbage. Sonically the balanced drive gives the audiosignal more bass power.

Back to the topic: I recently did the piggyback thing to an AN 1.2. I like to try things for myself and not rely on the claims of the diyAudio mountebanks. Immediately after the operation I noticed a big difference. The sound was much louder and rather crude. Of course, doubling the DAC chips doubled the current output. After I halved the value of the I/V resistors the sound improved. Is it better than a single DAC chip? Hard to tell. It certainly doesn’t hurt once you tweak the I/V resistors.

9th November 2005, 07:57 AM	#1
cmt42001 diyAudio Member Join Date: Mar 2004 Location: Kowloon	AD1865 in piggyback Goodday guys, has anyone tried piggyback AD1865 for a parallel run?

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9th November 2005, 10:34 AM	#2
Vidalgo diyAudio Member Join Date: Jun 2004 Location: Jerusalem	Try them balanced, no stacked.

9th November 2005, 11:40 AM	#3
Elso Kwak Banned Join Date: Dec 2001 Location: Zamboanga, City of Flowers, Mindanao	Balanced or doggy style it doesnot make any difference for me, in my experience. Been there done that.

9th November 2005, 12:28 PM	#4
Vidalgo diyAudio Member Join Date: Jun 2004 Location: Jerusalem	At balanced mode, you can get from AD1865N-K nearly true 18-bit resolution, or up to -106dB effective dynamic range (real measuremets).

10th November 2005, 08:19 AM	#5
cmt42001 diyAudio Member Join Date: Mar 2004 Location: Kowloon	I was asked by my friend to add one more ad1865 to his Audionote 1.2 dac in a piggyback style, and I wonder is it worth it since he has one AD1865NK siitting around.

10th November 2005, 08:32 AM	#6
Elso Kwak Banned Join Date: Dec 2001 Location: Zamboanga, City of Flowers, Mindanao	NK version helps more than piggy back or balanced!

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