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Shanti Dual LPS 5V/3A , 5V/1.5A
Shanti Dual LPS 5V/3A , 5V/1.5A
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Old 13th December 2019, 06:36 PM   #1071
dtossan is offline dtossan  Canada
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Join Date: Dec 2010
Location: Toronto
Default Revolution vs Katana

Quote:
Originally Posted by cdsgames View Post
1.2 ver Revolution PCB feedback of THD version has been "better than Katana SQ with 2-3 5V PSUs"

Hi cdsgames
Are you saying Rev has better THD than Katana (which we assume to be yes)
AND
Rev ver 1.2 was already better SQ than Katana when Katana is powered by 2 or 3 good 5V PSUs.


That would be great bang for buck!
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Old Yesterday, 11:51 AM   #1072
cdsgames is offline cdsgames  Canada
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Join Date: Jun 2015
Rev has better THD than Katana yes. In fact , if you take away the N part of THD , since N is not that important or audible at that lavel) , Rev is one of the best DACs in the world


I am not really sure who has THD of -121 to -124, ,maybe the new Topping AKM4499 ?



Feedback on Katana with 2-3 5V PSU (sitting on RPI stock) vs Rev with 1 Shanti (thats how we tested Rev) has been rather unanimous . Rev sounds better


Rev vs Katana modified (sitting on Usbridge Sig) or Katana with linear PSU for analog stage or vs AKM4499 with good linear PSUs, Rev sounds worst .




Now we have improved tech on Ver 1.3 but so far I have only one tester (me and our engineer team , that are not audiophiles)


Due to my track record and the reality that I don't have golden years , I will make no comment



I will say that based on articles that I presented , a slightly less THD (since H2 is increased) seems to have enough evidence to show that it outputs a more pleasing sound (closer to tube) with only a small sacrifice on "pure THD"



Its nice though to be able to chose THD or SQ in software .
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Old Yesterday, 11:54 AM   #1073
cdsgames is offline cdsgames  Canada
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Join Date: Jun 2015
Nanekiu , its interesting , I will check sometimes next week


I see he took readings at -10 or -6db ?
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Old Yesterday, 10:24 PM   #1074
SSK84 is offline SSK84
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Join Date: Jul 2019
Quote:
Originally Posted by cdsgames View Post
Nirvana has a way to earth the DC ground and we designed it to remove any current leakage


Noise wise its better than 1uV (ifi stated spec) and of course it goes up to 2.9A so more than enough power for even rpi4
OK thanks! Than this will be the power supply to run my RPI...would be a waste of money to use an LPS - but maybe the Shanti is also an option, as it is reasonable priced...
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