VOLUMIO soundcheck invitation for Hamburg, Germany

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VOLUMIO soundcheck invitation for Hamburg, Germany

Postby judydudi » Wed Aug 09 2017 10:36

Dear music lovers ....

this is the announcement for the next soundcheck in Hamburg, Germany.
a come together for comparing some great and current volumio setups.

it's on september 14., 2017 at 8 PM, located at printarena.de, eventcenter.
It' free, but for better planning please write a mail to linux @ kompage.de for coming - thank you.

We will have closer look to these Setups:

Raspberry Pi & Allo Kali Reclocker & Mamboberry LS DAC +
Raspberry Pi & Allo Kali Reclocker & Allo Piano DAC 2.1
Raspberry Pi & Allo Boss DAC
Raspberry Pi zero w & Allo mini Boss DAC
Raspberry Pi & IQaudIO Pi-DAC +

Feel free to come with your own volumio setup @Hey dondorito - would be nice...;-)
and compare it with these ones...

Also, i'm happy to compare up to five power supplys:

the allo 5v PSU ~15€ https://www.allo.com/sparky-eu/5v-power-supply.html
the ifi 5v PSU ~50€ https://volumio.org/product/ifi-ipower/
the mambo 5v PSU ~150€ https://www.collybia.com/product/mambo-power-supply/
powerbank 5v PSU ~20€
...

cu
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VOLUMIO soundcheck invitation for Hamburg, Germany

Postby judydudi » Tue Sep 12 2017 12:48

this is the reminder for the upcoming soundcheck in hamburg. (Sep. 14.)

comparing five I2S Boards for RPI (allo, iqaudio, collybia) and five PSU for the RPI.
(allo 5V, allo dual, mambo, ifi ipower, RPI orginal)

See here the test setup with five identical volumio setups.
Who can hear the right PSU? - Maybe this is something for the guinness book of world records :D , but we will see.

PSU_TEST_SETUP1.jpg
PSU_TEST_SETUP1.jpg (140.54 KiB) Viewed 2039 times

and yes, we are using 5 of these great mamboberry LS DAC Boards, all new with 100h burn in time played...
PSU_TEST_SETUP2.jpg
PSU_TEST_SETUP2.jpg (142.81 KiB) Viewed 2039 times

Cases with play/pause start/shutdown button.
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VOLUMIO soundcheck invitation for Hamburg, Germany

Postby judydudi » Fri Sep 15 2017 09:57

My friends, we came together and let me say it's always a view for a moment.

i was really happy that we had the chance to compare 5 power supply's.

1. original raspberry 5V 2,5A PSU (~13€)
2. allo 5V 3A PSU (~13€)
3. ifi iPower 5V 2,5A (~50€)
4. allo dual psu (5V & ~19V) (~100€)
5 collybia mambo (5V 2A-3A) (~139€)

the allo dual comes in a pretty acrylic case, similar to there other cases, just bigger and DC connector, adapter.
for me a perfect combo for the boss&volt setup. (pic follows)

the mambo comes in a stable alu case, USB connector, switch and adapter.
and thank you collybia team, for shipping us your new product and be the first to examine it ! :D

So, see my setup above. 5x Rpi & Mamboberry LS DAC, 100h burned,
same http://cinch-kabel.org/dcsk-stereo-nf-audio-mk-ii-cinch-kabel/rca cable,
Marantz PM6003 amplifier, 4x ELAC FS 78 loudspeaker.

We where overwhelmed.
the distances were to small for us. i would say, for most people no difference.
but maybe most people are not audiophile :D ... so in conclusion:
for better equipment and/or more sensitive people it makes sense to elimate power noise.
(i will do another test in the morning when ears are more relaxed, just with 2 friends and the elac element ea101eq-g amp.)
... stay tuned

We also compared 5 I2S Boards.

Again, i have to say. All boards are really on a high level, but here, differences are much clearer than the psu comparing.
It's like hear a taste.

we had
Raspberry Pi 3 & Allo Kali Reclocker & Mamboberry LS DAC +
Raspberry Pi 3 & Allo Kali Reclocker & Allo Piano DAC 2.1 (dual mono)
Raspberry Pi 3& Allo Boss DAC
Raspberry Pi zero w & Allo mini Boss DAC
Raspberry Pi 3 & IQaudIO Pi-DAC PRO

to my surprise, this time we voted the mambo&kali for first place(!) ('natural&magic') followed by the IQaudIO Pi-DAC PRO 'brighter, well balanced')
The allo boards where on place three.

isn't it confusing? :) but may not. we are human. and it's a come together with always different people...
next soundcheck will be in december. you are invited to follow this quest.
judydudi

Volumio 2.246 was used, 100% volume.
playing
David Bowie - Cat People (Putting Out Fire 1982) FLAC {24bit-96kHz}
The Hilary Hahn Encores - In 27 Pieces CD1 - Bates: Ford's Farm FLAC {16bit-44kHz}

sound3.jpg
Allo dual psu and mambo power supply
sound3.jpg (64.71 KiB) Viewed 2002 times

Unbenannt-1.jpg
ears are needed
Unbenannt-1.jpg (118.41 KiB) Viewed 2002 times

sound1.jpg
come together
sound1.jpg (104.44 KiB) Viewed 2002 times
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VOLUMIO soundcheck invitation for Hamburg, Germany

Postby allo » Fri Sep 15 2017 14:18

Hi,

How long did you burn in the Boss ?
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VOLUMIO soundcheck invitation for Hamburg, Germany

Postby judydudi » Fri Sep 15 2017 15:32

Hi allo,
you are right, that was not in my attention this time. the piano was played at least 50h, but i choose from my both boss boards the newer one, which was only aprox. 5h played. the boss mini was played aprox. 2h.
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VOLUMIO soundcheck invitation for Hamburg, Germany

Postby emilot » Fri Sep 15 2017 18:57

Thank you Jens for your soundcheck and honor, to include Mamboberry LS DAC+ to your musical journey, again.

We have strong competition each time and we want to thank everyone who participate in your soundcheck's.

Keep up your excellent musical spirit.

From Collybia Team a big salute :)
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VOLUMIO soundcheck invitation for Hamburg, Germany

Postby allo » Sat Sep 16 2017 14:20

judydudi wrote:Hi allo,
you are right, that was not in my attention this time. the piano was played at least 50h, but i choose from my both boss boards the newer one, which was only aprox. 5h played. the boss mini was played aprox. 2h.


We ask at least 50h of burn in since Boss has both film capacitors and supercapacitor.
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VOLUMIO soundcheck invitation for Hamburg, Germany

Postby judydudi » Thu Oct 05 2017 15:11

so, coming back to the PSU test.

today i had a small soundcheck. a blind test with two PSU's at the time.
remember last time, my listening crew was overhelmed to compare the five connected PSU.

My idea now was to take a better equipment and ask one or two of the 'best' listener in the past soundchecks to find out which PSU is the best.

Taking the ELAC element ea101eq-g AMP (2x analog in) with 2x ELAC FS 78-
2x Mamboberry LS DAC+ with Allo Kali Reclocker, connected with http://www.in-akustik.de/en/cables-and-accessories/home-hifi/audio-cable/premium-audio-cable-rca-00404007/ cable. Power was always connected to the Kali.
the soldered button on the DAC boards is to start music of both boards at the same time.

compared orginal raspberry 5V 2,5 A PSU with Mambo PSU we could not hear any difference.
we also compared the ifi iPower 5V with the Mambo PSU and again no difference.

In my conclusion, here seemed to be the power rails on the boards are really good enough for normal listener.
I will take my focus back to compare the I2S DAC Boards :D

psu_test2.jpg
2nd PSU test
psu_test2.jpg (218.43 KiB) Viewed 1820 times

PS: see display :)
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VOLUMIO soundcheck invitation for Hamburg, Germany

Postby judydudi » Thu Nov 09 2017 07:07

Hold on tight, music lovers!

It's time to announce the last soundcheck for this year.
And i'm proud to present a collection of the best I2S DAC boards on the market.

The five summits are:

TERRATECHNOS – Terra-BerryDAC 2
TauDAC-DM101/TauOUT-TP101
mamboberry HD DAC+
pi2design 502DAC PRO
allo BOSS v. 1.2

also the comparison of five DAC boards for the RPI zero would be interesting.
We have five boards with RCA and headphone jack in competition:

IQaudIO DAC zero
Justboom DAC zero
Muc89.com zero DAC
pHAT DAC
DACBerry ONE zero

So, feel free to join this event on december 7. ,8pm in Hamburg,
eventcenter printarena.de
Due to seat limitation, please make a registration at linux @ kompage.de
The event is free.

more info coming soon... :D
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VOLUMIO soundcheck invitation for Hamburg, Germany

Postby judydudi » Mon Nov 27 2017 10:21

a short update for the soundcheck.

1. TauDAC-DM101/TauOUT-TP101 is ready prepared and will be powered with the BOTW P&P ECO 9V from Sbooster.

2. TERRATECHNOS – Terra-BerryDAC 2 is ready prepared and will be powered with the THEL NT25HQ
(http://www.thel-audioworld.de/module/NT-HQ/NT-HQ.htm)

3. Mamboberry HD DAC+ with Crystek clock is promised and will be powered with the mambo power supply.

4. New BOSS (v. 1.2) from allo is promised and will be powered with the allo dual power supply.

5. pi2design 502DAC PRO will hopefully arrive on time. The Setup will be powered with the ifi iPower.

The zero DAC boards are all ready and will be powered with the allo 5V psu each separately.

so, it is getting interesting...
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