VOLUMIO soundcheck invitation for Hamburg, Germany

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VOLUMIO soundcheck invitation for Hamburg, Germany

Postby judydudi » Wed Jun 26 2019 17:50

orchardaudio wrote:I think that in order to make this a much more fair comparison the factory PSU should be used for all units as most users will not upgrade the PSUs as you have.

As a separate note how much does the Thel dual LPS cost?


you are right. pecanpi and primo were disadvantaged by the choice of a better power supply with the other devices.
I will use the normal allo 5v3a power supply for all devices in which no power supply is shipped with, on next event.
However, I do not think the difference was very important especially because of the amp.

ps :
http://www.thel-audioworld.de/module/NT ... Q.htm#NT25 + Filter http://www.thel-audioworld.de/module/Ne ... filter.htm + case + kabel
so similar to sbooster lps
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VOLUMIO soundcheck invitation for Hamburg, Germany

Postby SanjeevM » Thu Jun 27 2019 02:33

His Judy,

Why don't you use a Class A amplifier, like a Jean Hiraga or F5 etc. It brings out the best musicality.

Regards.
RPi3B / Katana THD on Linear PSU / 7in Waveshare Screen / TPA3255 Class-D on MW LRS-350 / Paradigm Monitor 11;
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VOLUMIO soundcheck invitation for Hamburg, Germany

Postby allo » Fri Jun 28 2019 13:57

judydudi wrote:
allo wrote:Those new AMPs look amazing , very revealing . Lets see how they sound.
yes I am also curious about the new digital amplifiers, but

Guys, I'd like to let you know that I've found the right amp for my future DAC board soundchecks.
I am now the proud owner of a Cambridge audio azur 651w.

In addition, I have decided to make modifications to the amplifier.
Mr. Horwege did that for me. About 60 components were replaced.
Now, the amplifier brings the sound into the room with a great clarity, fast, effortless and with beautiful timbres, just as the sound is :)
So it sounds better than anything I had before.
I'm looking forward to the next soundchecks... again focused on the I2S volumio devices.


Amp looks good , THD+N looks good .

When will you have the new Soundcheck ? Hopefully we will have our new DAC out :-)
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VOLUMIO soundcheck invitation for Hamburg, Germany

Postby SanjeevM » Fri Jul 12 2019 17:49

@ALLO: Are you bringing out a new DAC after the Katana?
RPi3B / Katana THD on Linear PSU / 7in Waveshare Screen / TPA3255 Class-D on MW LRS-350 / Paradigm Monitor 11;
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VOLUMIO soundcheck invitation for Hamburg, Germany

Postby allo » Sat Jul 13 2019 06:43

Yes. Before you ask,,,ess9038q2m (but its about implementation not DAC ic)

Name : Revolution .

The output stage is using opa1612 (the best monolitic opamp)
USB input
DSD 512 tested and working perfectly .

Dac is working on synchronous mode with all DPLLs disabled (a la Katana) . No crossover distortion.. !!

I have been working with Joe Rasmussen behind the scenes for a while now (he has designed the SQ filter of Katana SQ)
He is a famous modder from Australia that takes hi end DACs and...makes them better .

Revolution incorporates a lot of his work .

We think it will bring the THD+N believers (Right not we are at -115 THD+N I see only 2 dacs in the world measuring better) to agree with SQ ones. We want the new DAC to unite the 2 opposing camps .Designed for SQ and no distortion 20db under hearing threshold.. price rather on the lower side. A revolution in every sense of the word :-)
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VOLUMIO soundcheck invitation for Hamburg, Germany

Postby SanjeevM » Mon Jul 15 2019 03:36

Great !!
RPi3B / Katana THD on Linear PSU / 7in Waveshare Screen / TPA3255 Class-D on MW LRS-350 / Paradigm Monitor 11;
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