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Reference DAC Module - Discrete R-2R Sign Magnitude 24 bit 384 Khz
Reference DAC Module - Discrete R-2R Sign Magnitude 24 bit 384 Khz
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Old 24th June 2020, 02:43 PM   #8841
analog_sa is online now analog_sa  Europe
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Reference DAC Module - Discrete R-2R Sign Magnitude 24 bit 384 Khz
I guess the BCK is enough. At both source and destination. I cannot offhand say how steep the fronts should be, so that everything works fine.

You should still check the sampling frequency the DAM determines. Just connect a terminal through the RS232 port.
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Old 25th June 2020, 03:46 PM   #8842
EugenKo is offline EugenKo  Russian Federation
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Originally Posted by analog_sa View Post
I guess the BCK is enough. At both source and destination. I cannot offhand say how steep the fronts should be, so that everything works fine.

You should still check the sampling frequency the DAM determines. Just connect a terminal through the RS232 port.
Measurements showed that 176k goes from the renderer instead of 354, the BCK is 11.28.
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Old 8th July 2020, 09:09 PM   #8843
delfimmarues is offline delfimmarues  Portugal
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Some help from the community...

I had my DAM1021 with I2S and toslink inputs (DIYINHK module) in full operation. Recently, the imput toslink stopped giving, I even thought it was a failure of the DIYINHK module and I bought a new one ... but it still doesn't!
Could you give me an idea of what I could do to find out the problem?
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Old 8th July 2020, 10:01 PM   #8844
analog_sa is online now analog_sa  Europe
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Reference DAC Module - Discrete R-2R Sign Magnitude 24 bit 384 Khz
You mean i2s from other sources works fine but spdif from the Toslink module does not?
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Old 8th July 2020, 10:15 PM   #8845
delfimmarues is offline delfimmarues  Portugal
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The I2s input of the DAM1021 is working. The spdif toslink entry is not. Think about how to handle the input module, but no. Could the "automatic" input selector be blocked on the i2s!? I don't know what happened.
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Old 8th July 2020, 10:36 PM   #8846
analog_sa is online now analog_sa  Europe
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Reference DAC Module - Discrete R-2R Sign Magnitude 24 bit 384 Khz
An oscilloscope will tell you.

Have you played with the "set input = " command?

Last edited by analog_sa; 8th July 2020 at 10:40 PM.
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Old 9th July 2020, 03:00 PM   #8847
paulebappie is offline paulebappie  Netherlands
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Originally Posted by delfimmarues View Post
The I2s input of the DAM1021 is working. The spdif toslink entry is not. Think about how to handle the input module, but no. Could the "automatic" input selector be blocked on the i2s!? I don't know what happened.
What happens if you force toslink input?

(Pin J3-3 to ground)
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Old 9th July 2020, 03:04 PM   #8848
delfimmarues is offline delfimmarues  Portugal
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The DAM1021 is in auto selection ... But I will try this tip.
Thanks Paule
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Old 11th July 2020, 04:09 PM   #8849
sbobba is offline sbobba  Italy
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Default question

I listen to native DSD256s with my Soekris dam1021 and a JLSound USB card, but the native DSD512s don't work to make them listen. Forgive my ignorance, but where's the bottleneck?
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Old 11th July 2020, 04:20 PM   #8850
analog_sa is online now analog_sa  Europe
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Reference DAC Module - Discrete R-2R Sign Magnitude 24 bit 384 Khz
1021 converts to PCM up to DSD256. It is the max 384kHz PCM which imposes the hard limit.

Last edited by analog_sa; 11th July 2020 at 04:22 PM.
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