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Aune T1 USB Tube DAC+Amp Discussion Thread ***See first post for FAQ*** - Page 193

post #2881 of 5980
Quote:
Originally Posted by manufelices View Post
 

Thanks a lot! Well, I prefer defined and clear sound. Right now I have mi Aune T1 with an AMPEREX WHITE LABEL 6DJ8 ECC88  1963  + AKG K550 and it sounds better. Anyway, could you recommend me a better one?

 

If it's defined and clear you're after then I suggest to stay away from reflector. 6922EH is ok tube but I think it will only be a downgrade from your white label. I also have K550's and they can sound quite piercing at times. I think Amperex 6DJ8 (I have 70's orange labels) has good synergy with these cans because they are on the mellow side, but you could also try something with even smoother upper mids. Ultron 7ES8 does this but seems to be quite hard to find. If you like the imaging of your white label then I think you're pretty nicely set now. The next obvious step would be amperex 7308 but they are quite expensive.

post #2882 of 5980

Thanks!

post #2883 of 5980
I have a Telefunken (pcc189) that matches the desc of sound you're after, it doesn't color the sound much at all, very neutral but very clear and a nice soundstage.
post #2884 of 5980
Quote:
Originally Posted by MrEleventy View Post

I have a Telefunken (pcc189) that matches the desc of sound you're after, it doesn't color the sound much at all, very neutral but very clear and a nice soundstage.

 

is there somewhere I could get one other than ebay?

post #2885 of 5980
Quote:
Originally Posted by Salvatore View Post

If it's defined and clear you're after then I suggest to stay away from reflector. 6922EH is ok tube but I think it will only be a downgrade from your white label. I also have K550's and they can sound quite piercing at times. I think Amperex 6DJ8 (I have 70's orange labels) has good synergy with these cans because they are on the mellow side, but you could also try something with even smoother upper mids. Ultron 7ES8 does this but seems to be quite hard to find. If you like the imaging of your white label then I think you're pretty nicely set now. The next obvious step would be amperex 7308 but they are quite expensive.

The 7308 is available from Upscale Audio for $50 driver grade, which works perfectly with the T1 tube buffer and sounds great. For those not in the US I gather that Upscale charges a huge amount for shipping.
post #2886 of 5980
Quote:
Originally Posted by hojomojo96 View Post

is there somewhere I could get one other than ebay?
Don't know, I picked up a pair here on the fs threads a while ago. Maybe give that a try.
post #2887 of 5980

Hi guys,

 

My first post here. Just bought an Aune T1. I'm eager to get into tube rolling and going by Salvatore's recommendation I am interested in this Amperex PQ 7308 White Label. 

 

http://www.ebay.com/itm/Vintage-Amperex-7308-Goldpins-Stereo-Tube-VR5-49-Results-7220-6630/400562651747?_trksid=p2045573.m2042&_trkparms=aid%3D111000%26algo%3DREC.CURRENT%26ao%3D1%26asc%3D27%26meid%3D1478755386502793139%26pid%3D100033%26prg%3D1011%26rk%3D3%26rkt%3D4%26sd%3D390662561435%26#ht_559wt_1164

 

I am however, quite confused with the test results. Results= 7220/6630. What exactly does this mean and is the tube any good?

 

I do want to buy from a reputable tube seller but being from Australia, the shipping price is crazy! We're talking over $30US to ship a tube here, so it rules out a lot of the sites. I am also looking to buy an Amperex Orange Globe A Frame, but I can't find it anywhere! Quartz Acoustic are out of them and they don't have any Amperex PQ 7308 at the moment either.

 

Any help with acquiring these tubes would be great appreciated! Thanks! 

post #2888 of 5980
Quote:
Originally Posted by ProjectDx View Post
 

Hi guys,

 

My first post here. Just bought an Aune T1. I'm eager to get into tube rolling and going by Salvatore's recommendation I am interested in this Amperex PQ 7308 White Label. 

 

http://www.ebay.com/itm/Vintage-Amperex-7308-Goldpins-Stereo-Tube-VR5-49-Results-7220-6630/400562651747?_trksid=p2045573.m2042&_trkparms=aid%3D111000%26algo%3DREC.CURRENT%26ao%3D1%26asc%3D27%26meid%3D1478755386502793139%26pid%3D100033%26prg%3D1011%26rk%3D3%26rkt%3D4%26sd%3D390662561435%26#ht_559wt_1164

 

I am however, quite confused with the test results. Results= 7220/6630. What exactly does this mean and is the tube any good?

 

I do want to buy from a reputable tube seller but being from Australia, the shipping price is crazy! We're talking over $30US to ship a tube here, so it rules out a lot of the sites. I am also looking to buy an Amperex Orange Globe A Frame, but I can't find it anywhere! Quartz Acoustic are out of them and they don't have any Amperex PQ 7308 at the moment either.

 

Any help with acquiring these tubes would be great appreciated! Thanks! 

 

Hi Porject DX,

 
I just got my T1 fleshly out of the box as it arrived this morning. When I first plugged it in, I thought the sound wasn't that impressive (comparing with my Fiio E7) until... I switched the stock one to an Amperex Orange Globe. The difference is night and day I promise!
 
Mine Orange Globe I got it from ebay, not NOS though but somehow it's stamped made in W. German rather than Holland or US. I don't know if it's fake or not (since I'm new to tubes:o) but the tube itself looks vintage to me and the most important thing is it sounds "real" to my ears:ksc75smile:. In fact, if anyone can give me some info about this specific tube that would be much appreciated . (Code stamped on tube: ---Y---:confused:, 0-22)

 

 

 

 

Mine cost US$15 something and shipping is US$12.75 from US to New Zealand. The seller ID is "generation-gap", might be worth to take a look. Guess you just have to be patient and keep scanning through pages and pages and pages... on ebay. Hope this helps, enjoy:beerchug:  

Edited by Sarurururu - 9/22/13 at 7:28pm
post #2889 of 5980

After 2 days of searching around I've finally bought my first tube!

 

Orange Global Label Amperex 6DJ8 / ECC88 Tube

 

http://www.ebay.com.au/itm/One-New-Orange-Global-Label-Amperex-6DJ8-ECC88-Tube-By-Philips-of-Holland-/370900472338?pt=Vintage_Electronics_R2&hash=item565b641212

 

I couldn't find the A-Frame version that was too hard. Hope this will be good, cost about $40US all up. 

 

If anyone sees any specials for Amperex 7308, gimme a holla !

post #2890 of 5980
Quote:
Originally Posted by ProjectDx View Post
 

Hi guys,

 

My first post here. Just bought an Aune T1. I'm eager to get into tube rolling and going by Salvatore's recommendation I am interested in this Amperex PQ 7308 White Label. 

 

http://www.ebay.com/itm/Vintage-Amperex-7308-Goldpins-Stereo-Tube-VR5-49-Results-7220-6630/400562651747?_trksid=p2045573.m2042&_trkparms=aid%3D111000%26algo%3DREC.CURRENT%26ao%3D1%26asc%3D27%26meid%3D1478755386502793139%26pid%3D100033%26prg%3D1011%26rk%3D3%26rkt%3D4%26sd%3D390662561435%26#ht_559wt_1164

 

I am however, quite confused with the test results. Results= 7220/6630. What exactly does this mean and is the tube any good?

 

Amperex 7308 Goldpins  Stereo Tube "VR5 #49"

Tested on a A Hickok 6000A  Micromhos 

NOS = 5500/5500

Min=  3300/3300

Results= 7220/6630

 

I'm no pro, but they are the conductance readings for the triodes. They should be higher than the min values for the tube to be any good. If they are higher than the NOS values they can be, but not necessarily, real NOS tubes. This particular tube seems to measure strong. Good measurements don't, however, guarantee that the tube is working and I've had my share of tubes that tests good but either doesn't work at all or only the other channel is working.

 

I'm also interested of the production code. Not sure why there is # instead of *. My PQ has a star which indicates New York. Finally if you look through the product pictures you can see that there is small crack of some sort above the PQ logo. This seems to be legit seller with 100% reviews and 30 day guarantee so I'm sure the seller will offer refund if you're not happy with the purchase. For this price I would also consider the driver grade from upscale.

 

Few links containing info about the tube measurements and such:

 

http://www.ebay.com/gds/Why-Vacuum-Tubes-that-test-good-can-sometimes-be-BAD-/10000000003828897/g.html

http://www.radiolaguy.com/info/TubeTesting.htm

http://www.radiolaguy.com/info/Mutual-Emission.htm

http://www.tubeaudiostore.com/tubmatdem.html

http://en.wikipedia.org/wiki/Tube_tester

 

Quote:
Originally Posted by ProjectDx View Post
 

After 2 days of searching around I've finally bought my first tube!

Orange Global Label Amperex 6DJ8 / ECC88 Tube

http://www.ebay.com.au/itm/One-New-Orange-Global-Label-Amperex-6DJ8-ECC88-Tube-By-Philips-of-Holland-/370900472338?pt=Vintage_Electronics_R2&hash=item565b641212

I couldn't find the A-Frame version that was too hard. Hope this will be good, cost about $40US all up.

 

Don't worry about the A-frame. This tube in the link is real OG with globe visible (I would still check the production codes). My A-frames, for example, are newer and don't actually have any globe logo (therefore I call them orange prints). A-frame should be less susceptible to microphonics, but that's not really a problem with the audio equipment we are using.

post #2891 of 5980
Yes I am a little confused with the readings. What are the two different readings in the results section? Do we go by the first figure or the second figure? Tried to do a google search and couldn't find anything. I did see what looked like a crack but dismissed it as a mark. I will probably give this 7308 a miss just to be on the safe side. If I'm going to spend this much money I don't wanna have doubts.

I want to buy a tube from upscale but the shipping costs a fortune ! Do you know any other resellers that have international friendly prices to Australia? I'll also check out the links you provided.

I've got an offer in for the Russian rocket tube so will looking to get that too for comparison. I've read your impressions heaps of times, thanks for sharing your insight. It's really helped with deciding on my purchases.
post #2892 of 5980
Quote:
Originally Posted by ProjectDx View Post

Do we go by the first figure or the second figure?

Do you know any other resellers that have international friendly prices to Australia?

I've got an offer in for the Russian rocket tube so will looking to get that too for comparison. I've read your impressions heaps of times, thanks for sharing your insight. It's really helped with deciding on my purchases.

 

Both figures. Quote from the first link I sent you: "If the person selling and testing these tubes only gives you one number as the test result, they are only testing one of the two triodes, or only half of the tube. One triode could even be dead. You also want the two triodes to test within a few percent of each other, such as 95/98."

 

Just keep on browsing ebay and quartzacoustic and you'll might find good deals from time to time. I wouldn't even be too worried about the 7308. Just take small steps and enjoy the OG first (see if it's worthy improvement / different from your earlier tubes and plan your future purchases from there). I stopped buying tubes long time ago and now I'm just enjoying music. It takes long time to burn all of my spare tubes ;) Now it doesn't even matter which tube I have on as long as it's something decent.

 

Rocket is fine as long as you don't overpay. Best bargains come from Russia (watch out for the notoriously long delivery times though). Glad I've been able to help you. Have fun with your T1!

post #2893 of 5980
Yeah I read the links after I made the post, fully understood now.

Think I've been fully absorbed with trying to buy an Amperex 7308 white label ! Maybe as you said, I should wait to hear the OG first. I saw an Amperex 7308 JAN green label but after some further reading it doesn't seem as good as the white/orange ones. I should be receiving the T1 soon and can't wait !
post #2894 of 5980

Hi guys,

 

I've been threatening to start some T1 tube rolling and stumbled on to your conversation regarding changing the balance of the T1.  I followed your instructions but I do not see a device name "Aune T1" in the control panel.    Control Panel, Hardware and Sound, Sound, "Select a playback device below to modify its settings."   The icons that are not greyed out are "Digital Audio (S/PDIF, High Definition Audio Device Ready" and "SPDIF Interface USB Audio Device Default Device."  The latter has a green check mark next to it.  I'm running Windows 7 Home Premium. 

 

Do I have something screwed up???

 

Thanks in advance.

post #2895 of 5980
Quote:
Originally Posted by ProjectDx View Post

Yeah I read the links after I made the post, fully understood now.

Think I've been fully absorbed with trying to buy an Amperex 7308 white label ! Maybe as you said, I should wait to hear the OG first. I saw an Amperex 7308 JAN green label but after some further reading it doesn't seem as good as the white/orange ones. I should be receiving the T1 soon and can't wait !

I have the green label and love it. I have no idea how it would compare with the white and orange. The owner of Upscale Audio claims that there is no difference, but I am sure that some of our tube experts would disagree. All I know is that the difference between other tubes was hard for me to appreciate. The Amperex 7308 JAN green (dated 1968) was the first tube that totally stood out with soundstage and musicality. It remains my favorite tube.

Hope you enjoy your T1, let us know your impressions.
Edited by teb1013 - 9/23/13 at 8:33pm
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