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Aune T1 USB Tube DAC+Amp Discussion Thread ***See first post for FAQ*** - Page 365

post #5461 of 6174

For people getting static or distortion; I had some last night while playing a MKV file through PowerDVD 14 (which can now force WASAPI) and it started giving random static.

 

However once I changed the source material to another MKV file everything was fine.  I don't think this our T1's doing this, I think it is more related to the source.

post #5462 of 6174
Quote:
Originally Posted by mikoss View Post

+1 exactly my impressions of those tubes... I've kept an Amperex 7308 PQ in my Aune for the last 5 weeks or so, but swap in the Siemens every once in a while.

What kind of headphones are you listening with? I use HD-650's, but I was considering perhaps trying some Audeze... The Sennheisers are very nice especially with mids, but I sometimes want to hear more of the highs. (I'm considering trying out LCD 2.2's... heard the bass goes a bit deeper, and the presentation of the highs is more extended).

Right now I'm using Sennheiser HD558s. I hope to graduate to HD 600 which I think will be better for classical than the 650.
post #5463 of 6174

Hey guys, just got one, looking for a tube around 30ish USD. Have no idea what to get. Mostly listen to vocal trance and am using hd650's.

 


Cheers

post #5464 of 6174
I don't suppose there is a way to change out the dac in the Aune T1 to handle 24bit 192kHz is there?
post #5465 of 6174
It's not the dac. It can already handle 24/192 (Burr-Brown PCM1793). It's the USB receiver that limiting it (Tenor TE7022L). It's a smd chip, it's probably not worth your time doing it. The TE8802 can handle 24/192 but it's a lot bigger so it's not a simple swap. Might need to install it into a daughter board and then wire the pin outs correctly, if that's even possible.

TL;DR: No.
post #5466 of 6174

Can we go into more detail on how to change that out?  I'm interested.

post #5467 of 6174
Well, for one you're going to have to convert this to this. I don't know the pin outs but if they're all there, you can possibly do it. I don't have access to the spec sheets, my work's firewall blocks me from them so I can't tell outside of just visually inspecting. I thought about possible decoupling the USB port from the board, inverting it and wiring it to the Audio-GD board but then you'll need to find a way to get the signal back into the path of the tube. Rock grotto has some high quality internal images if you want to do some scouting w/o taking the T1 apart. Link here.
post #5468 of 6174

What gain settings should be used with Sennheiser HD600's?

 

Also with AKG Q701?

 

I use 0db with Fidelio X1

post #5469 of 6174
My own rule of thumb is use the lowest gain that gets you past the 9 o'clock position on the volume pot for your typical listening volume. If you have to max it out to get good volume, then up the gain.
post #5470 of 6174

True but the gain also heavily depends on your music files and how they are mastered. Just think of the extreme contrast between digitally released EDM compared to high quality recordings of classical (piano) music.

post #5471 of 6174

Anyone got any reccomendations on a fun sounding tube for mostly vocal trance.

post #5472 of 6174
Quote:
Originally Posted by ClintonL View Post
 

Anyone got any reccomendations on a fun sounding tube for mostly vocal trance.

Here are some recommendations from my ears... 

 

If you can afford an Amperex 7308, Siemens E88CC gold pin, or Amperex Orange Globe (GAC is my fave) I'd recommend them. 

 

If your budget is more limited, the Voskhod rocket is super cheap and musical (I've seen them on ebay for $10 usd). If you're in Canada, I'll send you over a rocket for the cost of shipping (if you're elsewhere, it's cheaper just to buy them on ebay).

 

If you need help finding a tube on ebay, let me know and I can give you some examples. Also, what tube do you have in the T1 at the moment? How many hours have you listened to the tube, and what are your impressions of your music with it?

 

Cheers.

post #5473 of 6174
Quote:
Originally Posted by steffinger92 View Post
 

 

Mh I must say I find that hard to believe. Usually the driver or playback software will create a buffer of some sort to ensure the DAC will be fed continuously with data. I had another DAC with ASIO drivers and constantly had issues with it because it did not feed the DAC well.
But I think if playing the audio files from RAM really ensures a more continuous flow of data towards the DAC, I still don't see how this could make the sound clearer. It would only remove audible jitter-caused noise or split-second silent parts  (and I know from broken FLAC files that even 1/1000s silence is very, very audible so you'd hear that definitely).

So you will probably imagine to really hear a difference there. And changing tubes or headphones will surely change/improve the sound much more ;)

 

However I'd also love to hear a MK1 vs. MK2 comparison. Six weeks ago when I ordered my MK1, the MK2 (230V) was nowhere for sale. Now I've seen it on Amazon.co.uk... damn...

 

Funny story, the improvement in sound was my capacitors just breaking over 80 hours and completely opening up. I thought the improvement in sound was my ramdisk, but it's the caps, lol.

 

I thought the HD 650's were lacking deep bass and crisp detail in the highs, but it turns out that I had never properly amplified them. (From this experience, I think the stock capacitors in the T1 will not properly amplify these headphones... the power is there, but they're sorely lacking deep bass and details.) I'd never heard what these headphones were capable of until now... I used to think the tamer highs were because of the HD-650's signature sound, but it was my source.

 

I wouldn't worry about the mk2 just coming out, I have no ambition to ever upgrade to it, hearing what the mk1 is capable of. I will post impressions if I ever get a chance to hear the mk2 though :beyersmile: 

post #5474 of 6174
Quote:
Originally Posted by mikoss View Post
 

Here are some recommendations from my ears... 

 

If you can afford an Amperex 7308, Siemens E88CC gold pin, or Amperex Orange Globe (GAC is my fave) I'd recommend them. 

 

If your budget is more limited, the Voskhod rocket is super cheap and musical (I've seen them on ebay for $10 usd). If you're in Canada, I'll send you over a rocket for the cost of shipping (if you're elsewhere, it's cheaper just to buy them on ebay).

 

If you need help finding a tube on ebay, let me know and I can give you some examples. Also, what tube do you have in the T1 at the moment? How many hours have you listened to the tube, and what are your impressions of your music with it?

 

Cheers.

Hi,

 

Interesting recommendations. I got the MK2 a few days ago, it comes with an Electro Harmonix 6922. I have only been listening a few hours but I love the sound especially when playing classical music. I have the HD 598. I am currently waiting for 3 Russian tubes and a Tesla. I'd be interested in your ebay sources (but I live in Europe).

post #5475 of 6174
Quote:

Originally Posted by Besdomny View Post

 

Interesting recommendations. I got the MK2 a few days ago, it comes with an Electro Harmonix 6922. I have only been listening a few hours but I love the sound especially when playing classical music. I have the HD 598. I am currently waiting for 3 Russian tubes and a Tesla. I'd be interested in your ebay sources (but I live in Europe).

 

I did some extensive tube buying on eBay these weeks and I even got a 'rocket logo' for 5€ (50% of it shipping). It's funny though, E88CC - especially Valvo and Telefunken - will fetch much higher prices than, say, PCC88 (which are exchangeable for the T1 and I guess most other applications of this sort). eBay is all but logical.

The other day I got one Mullard (with Lorenz print) and two Valvo PCC88 (all tested 'good') for all together 10$. Never thought I would. :D

 

eBay just requires time... :popcorn:

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