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Old 2nd March 2013, 11:57 AM   #851
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I'd try to use an adapter style connection. No cable.

You might try to introduce some common- mode and ground filtering.

I'm not sure if the ADUM isolator will work with DAC.. That might be a nice solution too.

Last edited by soundcheck; 2nd March 2013 at 12:00 PM.
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Old 9th March 2013, 02:11 PM   #852
le´flu is offline le´flu  Germany
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Hi Soundcheck,

DragonFly arrived this morning with DHL. Instaloxlation of EDO was unexpectedly
easy. Set the Toolbox back to original configuration. Plugged in the Fly
and it worked but with a very low volume-level. Preamp-volumeknob has
to be set to 12 o´clock to reach the level of using analog-out of the SBT
(set to 9o´clock).
Are you expecting any problems with the toolbox-settings for playing the
DragonFly?

Greetings ulf
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Old 9th March 2013, 03:25 PM   #853
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Perhaps you send then DF back and check out the Meridian Explorer.

Cheers
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Old 9th March 2013, 03:28 PM   #854
le´flu is offline le´flu  Germany
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Hi,
whats the meridian explorer?

Greetings
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Old 9th March 2013, 03:32 PM   #855
le´flu is offline le´flu  Germany
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... and there must be some kind of problems between DF and Toolbox.
When initializing TT the music seems to flicker. Going back to tt -r the music
is playing normally.
have to try and find where the problem is - any idea?
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Old 10th March 2013, 07:29 AM   #856
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Quote:
Originally Posted by le´flu View Post
... and there must be some kind of problems between DF and Toolbox.
When initializing TT the music seems to flicker. Going back to tt -r the music
is playing normally.
have to try and find where the problem is - any idea?
The Toolbox is not compliant with EDO and without EDO you ususally face
issues withh USB DACs.

Try EDO + your DF.

The Meridian Explorer is a rather new 300$ bus powered DAC + Toslink + headphone out, which has been compared to the DF in quite some reviews recently. I havn't seen any review that would put the DF above the Meridian.

Though I'm not sure if the Meridian will work with the Touch USB driver. It got an XMOS interface ship. Still there is always a chance that the DAC is not 100% compliant/recognized with the ALSA USB driver.
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Old 10th March 2013, 01:19 PM   #857
le´flu is offline le´flu  Germany
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Hi Soudcheck,

oh bugger! I bought the DFly second-hand, so can not return it. I got me
an DFly ´cause Otto (you know him well) highly recommended it to be used
with Mac. Tought it would be a tip for SBT too. But that is not a real problem,
cause i can use it with my MacBook. But where to go with the SBT? What kind
of DAC can you recommend? I read that you used to play with a saber DAC too!

greetings Ulf
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Old 24th April 2013, 08:36 PM   #858
le´flu is offline le´flu  Germany
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Hi Soundcheck,

okay - i did it - unscrewed my SBT. And now i´m thinking about what to modify.
You recently recommended upgrading the isolation of the toslink transmitter with
some lytics and a foil. But where to solder them? if i´m looking right into the LED
of the transmitter there are three solder tags. I think the one at the right is gnd.
But where is the b+?
What else would you really recommend to change / add ?

Greetings Ulf

got a bit quiet at this channel - right :-(
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Old 15th May 2013, 07:40 AM   #859
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Default Wireless

Quote:
Originally Posted by soundcheck View Post
Just to quote myself:

"Hi folks.

For those who can't skip the wireless:
I fail to see what the problem with WiFi is. I do see problems with an Ethernet connection. As the latter creates a galvanic connection between the digital world (LAN) and the audio world it is much more prone to induce mid-high frequency (Mhz) and low frequency noise (hum). Wifi is operating at a 2GHz or 5GHz freq band that is not very likely to end up in the audio stream.
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Old 15th May 2013, 08:32 AM   #860
phofman is offline phofman  Czech Republic
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Ethernet is galvanically isolated too, it has ballancing transformers on both sides of the link. Some people say the noise gets coupled through the transformer, I cannot comment on that as I have never tested the issue or made corresponding blind listening tests (which I do not think they have either).
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