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A NOS 192/24 DAC with the PCM1794 (and WaveIO USB input)
A NOS 192/24 DAC with the PCM1794 (and WaveIO USB input)
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Old Yesterday, 08:20 AM   #6741
3kes is offline 3kes  Netherlands
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Join Date: Mar 2018
Location: Alphen a/d Rijn
I will post some pictures today. I’m using this buffer to connect multiple devices to the amplifier (Amp Camp). With my other dacs I don’t have this issue.
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Old Yesterday, 01:14 PM   #6742
3kes is offline 3kes  Netherlands
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Join Date: Mar 2018
Location: Alphen a/d Rijn
Connected the dddac directly direct to the amp camp seems to give better lows but less detail. The input impedance of the amp is to low for the Cinemag transformers so that could be the problem

I am about to move to another house and my other amp (Sugden A21) is already packed. I think that combination will be better, the input impedance is 47k. To be continued.

Or just upgrade to Cinemag 600 trafos, lol.
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Old Yesterday, 07:19 PM   #6743
carlsor is offline carlsor  United States
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Join Date: Jan 2008
Location: Saint Augustine, FL
3kes:

I see now that your buffer is after the Cinemags and that your Cinemags are connected directly to the DDDAC outputs. Nice build!

To get significantly more bass and improved SQ throughout the entire audible frequency range you either need to add at least 3 more DAC boards or put a balanced buffer(with power supply) between the DDDAC outputs and the Cinemags.
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Old Yesterday, 09:18 PM   #6744
3kes is offline 3kes  Netherlands
diyAudio Member
 
Join Date: Mar 2018
Location: Alphen a/d Rijn
Quote:
Originally Posted by carlsor View Post
3kes:

I see now that your buffer is after the Cinemags and that your Cinemags are connected directly to the DDDAC outputs. Nice build!

To get significantly more bass and improved SQ throughout the entire audible frequency range you either need to add at least 3 more DAC boards or put a balanced buffer(with power supply) between the DDDAC outputs and the Cinemags.
Do you mean a single board dddac with Cinemangs isn't the best combination?

And how about just remove the cinemags and connect the dac directly to the B1 Buffer? There is a big Mundorf capacitor on the line in the B1.
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Old Yesterday, 09:32 PM   #6745
3kes is offline 3kes  Netherlands
diyAudio Member
 
Join Date: Mar 2018
Location: Alphen a/d Rijn
Quote:
Originally Posted by carlsor View Post
3kes:

I see now that your buffer is after the Cinemags and that your Cinemags are connected directly to the DDDAC outputs. Nice build!

To get significantly more bass and improved SQ throughout the entire audible frequency range you either need to add at least 3 more DAC boards or put a balanced buffer(with power supply) between the DDDAC outputs and the Cinemags.
Do you mean that a single board dddac with Cinemangs isn't the best combination?

And how about just remove the cinemags and connect the dac directly to the B1 Buffer? There is a big Mundorf capacitor on the line in the B1.
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Old Yesterday, 09:36 PM   #6746
3kes is offline 3kes  Netherlands
diyAudio Member
 
Join Date: Mar 2018
Location: Alphen a/d Rijn
Quote:
Originally Posted by carlsor View Post
3kes:

I see now that your buffer is after the Cinemags and that your Cinemags are connected directly to the DDDAC outputs. Nice build!

To get significantly more bass and improved SQ throughout the entire audible frequency range you either need to add at least 3 more DAC boards or put a balanced buffer(with power supply) between the DDDAC outputs and the Cinemags.
I've read you're threat about the buffer. Are those buffer pcb's still available? Three extra DAC boards are a pretty expensive upgrade.
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