J'ai la réponse de Jos. c'est plus clair en effet. Pas d'effet de ce Jumper sur mon DAC (ainsi que sur le DAC19) si on utilise l'entrée I²S. Voici donc le mot final...
"Hi Marc,
I didn't want to influence you with the NOS or standard mode but I agree with you. The 8x oversampling is for me also the best choice. Instruments are more separated and the sound is spatial. It's the magical effect I miss in NOS mode. But this is personal taste of course.
PLL stands for Phase Locked Loop and in easy words it is a method to keep the source input in synch with the internal DAC. It can improve phase noise and reduce jitter. This will only have a benefit if the DAC works with an internal clock. Now its getting a bit complex but the Master 7 (and DAC19) does not have an internal clock on the I2S input at all. The PLL function is of no benefit. The SPDIF inputs are clocked and PLL might improve the sound.
The NOS 7 works completely different and is asynchronous. It uses an internal clock at a very high frequency and will clock incoming data. Because it works with a 4 times higher frequency compared to the source clock and roughly 32x higher frequency than the bit clock (at 44.1khz) of the I2S most of the incoming data will be clocked correctly. It will never be exact match like with the Master 7. This approach is similar to the Sabre ES dac chips by the way! Both methods have their advantages but in my believe, if you put all dots on the i, use very good source clocks (like Mano ?) etc, the results with synchronous technology (Master 7) will pass the asynchronous dac's (Like NOS 7 or NFB 7). This does not mean the NOS 7 isn't good, this is theoretical when everything is perfect. But I am not the only one who thinks like this https://www.lessloss.com/faq.html?q=asyn...reclocking
To complete the story: The Master 7 Singularity is different in this perspective and in Master mode it uses the source clock and I internal clocks are not in use when I2S input is used. In NOS mode it works as a NOS 7 or NFB 7. The difference with the Master 7 are the spdif inputs, they are clocked with matching clocks for both sample rate ranges (44.1 vs. 48)
To make a long story short: I would not use PLL with Master 7 and Mano. The jumper OFF is PLLturned OFF.
Regards,
Jos"
euh.. Aredien...effet placebo sur ton DAC19
Petite parenthèse,
J'ai été voir le lien que Jos m'envoie et ai été fouiller dans les câbles du constructeur LESSLOSS que je ne connaissais pas. Et j'ai été voir leur câble secteur nommé C-MARC (
) Ca ne rigole pas sur la construction ! C'est peut-être juste pour en mettre plein la vue mais ca fonctionne si c'est le cas 
Il y a une vidéo sur leur site où il montre la souplesse mécanique que leur construction procure, c'est assez impressionnant et surtout pratique par rapport à la plupart des "gros" câbles.
Quelqu'un connait ? Peut-être que si Nicoben passe par là..
Il a tout essayé ! Lol
"Hi Marc,
I didn't want to influence you with the NOS or standard mode but I agree with you. The 8x oversampling is for me also the best choice. Instruments are more separated and the sound is spatial. It's the magical effect I miss in NOS mode. But this is personal taste of course.
PLL stands for Phase Locked Loop and in easy words it is a method to keep the source input in synch with the internal DAC. It can improve phase noise and reduce jitter. This will only have a benefit if the DAC works with an internal clock. Now its getting a bit complex but the Master 7 (and DAC19) does not have an internal clock on the I2S input at all. The PLL function is of no benefit. The SPDIF inputs are clocked and PLL might improve the sound.
The NOS 7 works completely different and is asynchronous. It uses an internal clock at a very high frequency and will clock incoming data. Because it works with a 4 times higher frequency compared to the source clock and roughly 32x higher frequency than the bit clock (at 44.1khz) of the I2S most of the incoming data will be clocked correctly. It will never be exact match like with the Master 7. This approach is similar to the Sabre ES dac chips by the way! Both methods have their advantages but in my believe, if you put all dots on the i, use very good source clocks (like Mano ?) etc, the results with synchronous technology (Master 7) will pass the asynchronous dac's (Like NOS 7 or NFB 7). This does not mean the NOS 7 isn't good, this is theoretical when everything is perfect. But I am not the only one who thinks like this https://www.lessloss.com/faq.html?q=asyn...reclocking
To complete the story: The Master 7 Singularity is different in this perspective and in Master mode it uses the source clock and I internal clocks are not in use when I2S input is used. In NOS mode it works as a NOS 7 or NFB 7. The difference with the Master 7 are the spdif inputs, they are clocked with matching clocks for both sample rate ranges (44.1 vs. 48)
To make a long story short: I would not use PLL with Master 7 and Mano. The jumper OFF is PLLturned OFF.
Regards,
Jos"
euh.. Aredien...effet placebo sur ton DAC19
Petite parenthèse,
J'ai été voir le lien que Jos m'envoie et ai été fouiller dans les câbles du constructeur LESSLOSS que je ne connaissais pas. Et j'ai été voir leur câble secteur nommé C-MARC (
) Ca ne rigole pas sur la construction ! C'est peut-être juste pour en mettre plein la vue mais ca fonctionne si c'est le cas Il y a une vidéo sur leur site où il montre la souplesse mécanique que leur construction procure, c'est assez impressionnant et surtout pratique par rapport à la plupart des "gros" câbles.
Quelqu'un connait ? Peut-être que si Nicoben passe par là..
Il a tout essayé ! Lol
Préampli passif Hattor Big (Takman REX) w. Alim linéaire J92 Reddo Audio + Hattor tube stage (ECC82 GE Triple Mica) + Benchmark ahb2 - DAc AudioGD M7S - Lecteur Primare CD31 - Streamer Mano Ultra sur pieds Soundcare - Enceintes Dali Euphonia MS4 sur pieds Soundcare - Câblage hp Legato Referenza Superiore, modul Rastacable 4SE by Rastabill, Espace Musical Muse2 - Tidal Hifi et DD de 2To de zik