dam1941 - Next Gen Discrete R-2R Sign Magnitude 24 bit 384 Khz DAC module

[Sandasnickaren]

Yes, please add a switch to dissable the crossfeed function. It will make the product much more usefull!

 

[soekris]

New dam19x1 firrmware rev 1.24 is now up on Soekris Engineering ApS, Products dam1941

The manual has also been updated.

There is now full support for the 2nd I2S port on J9, including auto detect.

There was single report earlier about clicks, same as on the dam1021, it should be fixed now, but please report back those that had the issue.

 

[TNT]

You complain that I talked 1941 in the 1021 thread but you talk 1121 in the 1941 manual

E.g: "The dam1921/dam1941 upsamples everything to the final 2.8/3.1 Mhz DAC sample rate in two steps, there are three different filters in the dam1121" - there are 3 more places.

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[soekris]

You got me there, but as you probably know, I like to reuse things, a little too much copy and paste....

 

[vgeorge]

New dam19x1 firrmware rev 1.24 is now up on Soekris Engineering ApS, Products dam1941

I see 1.23 firmware on the site not 1.24 rev.

 

[TNT]

Scary

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[TNT]

Some products has it's download on their specific product page, others have it in under the top level "Downloads" - could that be structurally improved to use a common pattern?

Maybe an overview chart with product to the left and some properties columns would good - like:

Product (link)-Revision-Latest FW (link)-Latest Filter (link)-In production(y/n)-some_more...-Link to prod page.

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[soekris]

Yes, it's rev 1.23, minor printing error.
And Yes, I'm planning to organize things better, someday when I'm bored...

 

[hannesie]

 

[TNT]

Bored + Rain ;-D

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[danny_66]

You can also browse the download folder

 

[TNT]

It would probably be appreciated if 15(16) biquads where user accessible as an option - yes.

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[kin1111kin]

Someone can play DSD file for native by usb

 

[cherryhome]

Hello, in the circuit diagram of the user interface dsp1971 (page 7 in the dam1941_fileset.pdf) are the connections of J1 reversed. Connection 1 is on the top left...

 

[soekris]

No, it's not, J1 has to be mounted on the rear side of PCB.

 

[cherryhome]

Hi, unfortunately, this is not apparent from the documents. But then J4 must be also mounted on the back...
However, I do not understand the sense, obviously it works well, if the plugs are mounted on the top!

 

[AlanElsdon]

I just tried to update the firmware on the DAM1941; first off I updated my DAM1021 with 1.21 with no problems. With the DAM1941 using ExtraPutty I am informed that a connection has been made but I get garbage on the screen followed by the cursor. No input is allowed.
Putting the dac back into the system it is still working as previously. Rubbish on screen is:-

Y 6 + e Ym Y V _e V

Any ideas?

 

[AlanElsdon]

One thought - I did pair an Apple Remote with the dac and stored this by pressing FILTER for 4 seconds. Could this have corrupted the firmware in any way?

 

[Sandasnickaren]

One thought - I did pair an Apple Remote with the dac and stored this by pressing FILTER for 4 seconds. Could this have corrupted the firmware in any way?

Hi,
I had the same problem. It was due to a wrong rs232 interface. 1021 is using standard rs232. The 1941 is using a TTL interface. Check the manual for 1941 in there you will find a recommended cable.

 

[AlanElsdon]

Hi,
I had the same problem. It was due to a wrong rs232 interface. 1021 is using standard rs232. The 1941 is using a TTL interface. Check the manual for 1941 in there you will find a recommended cable.

Many thanks for the info, I will try setting it to TTL level, in the meantime back to the music.