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6SN7 Tube Addicts - Page 295

post #4411 of 5983

some other tube-combos on the other slots might take away the noise...

 

my psvane had a low hmmm on the left channel when it was brand new...

it went off after about 50-100hours

post #4412 of 5983
Quote:
Originally Posted by Badas View Post


Yeah mine is Russian as well. It is like a radio static whirl noise. Can only be heard with no music or very quiet music. Noise does not raise up in volume when the level is increased. All my other tubes are dead silent.

Is this what is refered to as a noisy tube?

Mine are brand new. Shall I just give up on them? Or could it improve with age?

I kinda just want to give up. If they are rubbish so be it. Life is to short for crappy tubes.wink.gif

 

Brand new tubes are often noisy. However they often quiet down after 20 hours or so. Don't give up on them yet....

post #4413 of 5983
Quote:
Originally Posted by Lorspeaker View Post
 

some other tube-combos on the other slots might take away the noise...

 

my psvane had a low hmmm on the left channel when it was brand new...

it went off after about 50-100hours

 

 

Quote:
Originally Posted by gibosi View Post
 

 

Brand new tubes are often noisy. However they often quiet down after 20 hours or so. Don't give up on them yet....

 

Thanks guys. I will roll them back in then and put up with the noise for a while. I have just installed tube savers so it is easy to roll tubes in and out.

post #4414 of 5983

Do u have an account in EBAY? 

post #4415 of 5983

Got a question for you guys would these be 6SN7 BAD BOYS or only the Svlvania GT's can be called that . Thanks                                                                                                                                              

post #4416 of 5983
Quote:
Originally Posted by Lorspeaker View Post
 

Do u have an account in EBAY? 


Yes.

post #4417 of 5983

Technically they are not "Bad Boy" tubes MIKELAP.  A GTB type 6SN7 with that plate style is rather uncommon though, if the price is low enough they would probably be worth picking up. 

post #4418 of 5983
Quote:
Originally Posted by Xcalibur255 View Post
 

Technically they are not "Bad Boy" tubes MIKELAP.  A GTB type 6SN7 with that plate style is rather uncommon though, if the price is low enough they would probably be worth picking up. 

Would $50.00 be to much.Thanks 

post #4419 of 5983

Anyone no the sound signature to the NU 6SN7GT blackglass?

post #4420 of 5983
Quote:
Originally Posted by Badas View Post
 

Anyone no the sound signature to the NU 6SN7GT blackglass?

 

The 6SN7 reference thread might be helpful:

 

http://www.head-fi.org/t/117677/the-reference-6sn7-thread#post_1380036

post #4421 of 5983
Quote:
Originally Posted by MIKELAP View Post
 

Got a question for you guys would these be 6SN7 BAD BOYS or only the Svlvania GT's can be called that . Thanks                                                                                                                                              

Xcalibur255 is correct these are not Bad Boys. Please see the 9th post on the link for Bad Boy info :

 

http://www.audiocircle.com/index.php?topic=120726.0

post #4422 of 5983
Quote:
Originally Posted by MIKELAP View Post
 

Would $50.00 be to much.Thanks 


That isn't a ripoff price, but it's probably more than I would pay for them. 

post #4423 of 5983

Are Tung-Sol 6DJ8s from WWII really worth more than twice as much as their peers?

post #4424 of 5983

6SN7 TS are certainly very near the top, if not top of the pile so will carry a premium (and have done for years now), people raved about them 20 years ago when I bought mine. Re Tung-Sol 6DJ8s from WWII they are rarer than rocking horse do do :)

post #4425 of 5983
Quote:
Originally Posted by Nic Rhodes View Post
 

6SN7 TS are certainly very near the top, if not top of the pile so will carry a premium (and have done for years now), people raved about them 20 years ago when I bought mine. Re Tung-Sol 6DJ8s from WWII they are rarer than rocking horse do do :)

 

I was smoking crack, I meant the T-S 6F8Gs (VT-99), electrically equivalent to the 6SN7s (VT-231s) with adapter but significantly cheaper. However there appears to be a catch... a lot of the 6F8Gs for sale appear to be the "flat plate" versions, but it's the T-S round plates that apparently have a much better sonic reputation. Is that correct?

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