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Soekris dam1021 vs dam1121
Soekris dam1021 vs dam1121
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Old 26th April 2019, 12:08 PM   #1
transcendent is offline transcendent
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Default Soekris dam1021 vs dam1121

Hi guys,

I haven't found proper explanation in soekris.dk site nor in this forum what is the difference between the two. Also if anyone had a chance to listen to both DACs - any feedback would be appreciated.

Thanks !

Simonas
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Old 26th April 2019, 12:52 PM   #2
analog_sa is offline analog_sa  Europe
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Soekris dam1021 vs dam1121
The obvious advantages of 1121 in 2-channel mode:

- integrated inputs, including usb
- simplified controls for input/filters which do not require a micro
- reclocking after FPGA

A possible disadvantage is the inability to directly drive headphones. It also requires an external source of dc.


Judging by the 1941 i would expect it to sound considerably better than a 1021 under similar conditions.

Last edited by analog_sa; 26th April 2019 at 12:55 PM.
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Old 26th April 2019, 03:12 PM   #3
analog_sa is offline analog_sa  Europe
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Soekris dam1021 vs dam1121
Please disregard the above Not sure why i was thinking the 1121 is a non-balanced version of the 1941. It is not.
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Old 26th April 2019, 03:49 PM   #4
wcwc is offline wcwc  United States
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Couple of differences.

1021
Wider range of Powerability Direct AC 7 or 8V or DC from +/- 7 to 15V.
Buffered outputs via an opamp or direct ladder out
Isolated and non-isolated serial connections
larger board
only operates asynchronously
I2S, 2 SPDIF inputs

1121
+/- 5V DC power input
direct ladder out
can be operated asynchronously or synchronously with an external clock (only using an Si570)
can operate multiple boards synchronously
I2S, one SPDIF input
Smaller board
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Old 26th April 2019, 06:16 PM   #5
transcendent is offline transcendent
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Awesome, thanks for quick replies! I don't really care about AC part and buffered output, and might want to have multiple boards working in sync in future so dam1121 seems like obvious choice.
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Old 26th April 2019, 07:03 PM   #6
euro21 is offline euro21  Hungary
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Soekris dam1021 vs dam1121
1121:
- hard to access -and use- tiny connectors;
- cost is relatively high (compare to 1021).

My 1121 is in the box, I bought 1941 (as "early bird").
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Old 26th April 2019, 07:21 PM   #7
analog_sa is offline analog_sa  Europe
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Soekris dam1021 vs dam1121
Am i wrong thinking the 1121 is reclocked after the FPGA? This alone may be sufficient for better sound.
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Old 26th April 2019, 08:11 PM   #8
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Quote:
Originally Posted by euro21 View Post
1121:
- hard to access -and use- tiny connectors;
- cost is relatively high (compare to 1021).

My 1121 is in the box, I bought 1941 (as "early bird").
1121 is actually cheaper and comes with more precise resistor values as I see it..
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