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6SN7 Tube Addicts
Oct 10, 2014 at 12:07 AM Post #4,366 of 7,413
It came with a Chinese 12ax7, which was harsh and unrefined, as well as a Bell & Howell which was too rolled off in the highs and boring, imo. I bought a 1958 NOS GE with black plates and triple micas which brought more life to it with more slamming bass and extended highs. But I believe it has the potential to deliver more goods:)
 
Oct 10, 2014 at 12:23 AM Post #4,367 of 7,413
lorspeaker said:
  what 12ax7s do u have? u tried swapping those? 
Click to expand...

 
1958 GE black plates with triple micas added much needed life and energy to the Icon and I think the Silvertones are the weak link now.
 
Oct 10, 2014 at 12:48 AM Post #4,368 of 7,413

u didnt like the 50pounds David Shaw tubes? 
 
The most spacious 6SN7s i have is the PSVANE CV181-Tii, doesnt come cheap.
http://psvanetube.com/wordpress/store/products/cv181-tii-pair/

 
 
ANother black horse is the inexpensive russian 6N8S, i tried it yesterday...
slightly brighter, but surprisingly spacious on my DV336se. 
Dun know how these will sound on your ICON...others might wanna chip in.
 

 
Oct 10, 2014 at 1:44 AM Post #4,369 of 7,413
Oct 10, 2014 at 4:16 AM Post #4,370 of 7,413
lorspeaker said:
 
u didnt like the 50pounds David Shaw tubes? 
 
The most spacious 6SN7s i have is the PSVANE CV181-Tii, doesnt come cheap.
http://psvanetube.com/wordpress/store/products/cv181-tii-pair/

 
 
ANother black horse is the inexpensive russian 6N8S, i tried it yesterday...
slightly brighter, but surprisingly spacious on my DV336se. 
Dun know how these will sound on your ICON...others might wanna chip in.
 
Click to expand...


What would be the differences between the PSVANE CV181-Tii and Shuguang black Treasure CV181z? In addition, how would something like a USA Tung Sol 6sn7 GTB compare?
 
Oct 10, 2014 at 7:30 AM Post #4,371 of 7,413
lorspeaker said:
 
u didnt like the 50pounds David Shaw tubes? 
 
The most spacious 6SN7s i have is the PSVANE CV181-Tii, doesnt come cheap.
http://psvanetube.com/wordpress/store/products/cv181-tii-pair/

 
 
ANother black horse is the inexpensive russian 6N8S, i tried it yesterday...
slightly brighter, but surprisingly spacious on my DV336se. 
Dun know how these will sound on your ICON...others might wanna chip in.
 
Click to expand...

 
 
These valves David Shaw of Icon Audio are a psvane. They sound very similar to Full Music 6SN7.por less value.
 
Oct 10, 2014 at 11:26 AM Post #4,372 of 7,413
blueshound24 said:
 
What would be the differences between the PSVANE CV181-Tii and Shuguang black Treasure CV181z? In addition, how would something like a USA Tung Sol 6sn7 GTB compare?
Click to expand...

 

 
The Tungsol has a more rounded bass punch, vs a more textured punch of the Psvane...
Psvane sounded more spacious... airier. SLightly better realism if u are into listening for microdetails.
If u are listening to small jazz/pop music, i guess the Tungsol should suffice.
 
 

 
I tested out the Russian 6N8S...it sounded closer to the Psvane, than the Tungsol.
 
Psvane...6N8S..........................Tungsol.
 
( listened thru a DV336se)
 
====
 
a treat listening to this album on the 6N8S...(stock up on this soviet gem)

 
Oct 10, 2014 at 5:00 PM Post #4,373 of 7,413
Maybe I'll give the David Shaw CV181's a whirl again. They never had many hours on them and maybe they need some burn-in time. I also have a pair of USA Tung Sol 6sn7's on the way from Andy at Vintage Tube Services to compare.
 
So would you say the David Shaw, PSVANE CV181-Tii and Shuguang black Treasure CV181z are similar signatures and how is their durability/lifespan?
 
Oct 11, 2014 at 7:41 PM Post #4,374 of 7,413
balanceator said:
   
 
These valves David Shaw of Icon Audio are a psvane. They sound very similar to Full Music 6SN7.por less value.
Click to expand...

 
 
blueshound24 said:
  Maybe I'll give the David Shaw CV181's a whirl again. They never had many hours on them and maybe they need some burn-in time. I also have a pair of USA Tung Sol 6sn7's on the way from Andy at Vintage Tube Services to compare.
 
So would you say the David Shaw, PSVANE CV181-Tii and Shuguang black Treasure CV181z are similar signatures and how is their durability/lifespan?
Click to expand...

 
Well if the David Shaw is the Psvane, how do they compare with the Shuguang CV181z? I think through a little burning in, the David Shaw's soundstage is really starting to open up and the trebles becoming more refined:)
 
 
Balanceator do you mean they sound very similar to Full Music 6sn7 for less money?  
"They sound very similar to Full Music 6SN7.por less value."
Click to expand...

 
Oct 11, 2014 at 8:04 PM Post #4,375 of 7,413
Just a quick snap in the dark whilst listening to the PSVANE's .....




I have many 6SN7's, most of which are expensive boutique tubes. I come back to these because (a) they sound amazing in the HP8 and (b) there is some comfort knowing the history, I've owned them from new so have a general ideal that they will last and probably get better as time goes by. No such guarantees with so called NOS Bad Boys or Tung-sol BGRP.... I have them and the differences are just that, differences. Although, I have to say the TSBGRP has something that no modern equivalent seems to capture fully.

For the money I consider the PSVANE a bargain, certainly the best modern equivalent I have tried and at a fraction of the cost of the dying breeds.
 
Oct 11, 2014 at 8:29 PM Post #4,376 of 7,413
spudharris said:
....

For the money I consider the PSVANE a bargain, certainly the best modern equivalent I have tried and at a fraction of the cost of the dying breeds.
Click to expand...

 
+1. Great extension and detail, just perhaps lacking a little warmth or musicality. Sounds a touch more solid state than tube?
 
Oct 11, 2014 at 9:21 PM Post #4,377 of 7,413
spudharris said:
Just a quick snap in the dark whilst listening to the PSVANE's .....




I have many 6SN7's, most of which are expensive boutique tubes. I come back to these because (a) they sound amazing in the HP8 and (b) there is some comfort knowing the history, I've owned them from new so have a general ideal that they will last and probably get better as time goes by. No such guarantees with so called NOS Bad Boys or Tung-sol BGRP.... I have them and the differences are just that, differences. Although, I have to say the TSBGRP has something that no modern equivalent seems to capture fully.

For the money I consider the PSVANE a bargain, certainly the best modern equivalent I have tried and at a fraction of the cost of the dying breeds.
Click to expand...

 
Hey SpudHarris, I recently acquired an Icon HP8 and looking forward to rolling some different tubes. Do you or anyone else know if the cheaper Psvane's on eBay are good tubes or should one go through someone like Grant Fidelity?
 
Oct 11, 2014 at 9:31 PM Post #4,378 of 7,413
blueshound24 said:
   
Hey SpudHarris, I recently acquired an Icon HP8 and looking forward to rolling some different tubes. Do you or anyone else know if the cheaper Psvane's on eBay are good tubes or should one go through someone like Grant Fidelity?
Click to expand...

 
I have bought 6 Psvane T2 CV-181s via Ebay @ $170 per matched pair (premium grade).
 
Of the 6, one blew about 20 hours into burn in, the other 5 have been rock solid. Maybe the extra QA at Grant Fidelity would have picked that up, or the pair replaced under warranty - not sure.
 
I do know the price difference is not small.
 
Oct 11, 2014 at 9:46 PM Post #4,379 of 7,413
tonynewman said:
   
I have bought 6 Psvane T2 CV-181s via Ebay @ $170 per matched pair (premium grade).
 
Of the 6, one blew about 20 hours into burn in, the other 5 have been rock solid. Maybe the extra QA at Grant Fidelity would have picked that up, or the pair replaced under warranty - not sure.
 
I do know the price difference is not small.
Click to expand...

 
Would you mind sharing the ebay vendor you purchased from, or one you recommend?, or pm me?
 
Or... if my David Shaw CV181 is actually the same as Psvane I may already have it with my HP8, and it will only improve upon burn-in?
 
Oct 11, 2014 at 10:09 PM Post #4,380 of 7,413
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