[KoshNaranek]

Is this the FAA 6SN7GTB?

Yes, inquiring minds want to know.


Meanwhile, I obtained a standard RCA 6sn7gt tube. I, at least, cannot distinguish between it and the red base RCA. Lovely.

 

[theveterans]

Yes, inquiring minds want to know.


Meanwhile, I obtained a standard RCA 6sn7gt tube. I, at least, cannot distinguish between it and the red base RCA. Lovely.

 
Coincidentally, I ordered the RCA 6sn7gtb from tc tubes just minutes ago from here: http://tctubes.com/RCA-6SN7GTB-tube.aspx
 
I wonder what's the difference though between the 6sn7gt and the 6sn7gtb

 

[bigro]

Tubes !!!
 
http://tctubes.com/6SN7-ECC32-5692-VT231-tubes.aspx
http://www.thetubestore.com/Tubes/6SN7-Tube-Types
 
I ran Across these and the look cool but had a Weird name So I found an interesting article.that peaks my interest. Apparently the person behind them is very respected in the tube community. If Any one has used these please grace us with your opinion,
http://www.store.diyhifisupply.com/Vacuum-Tubes/6SN7-6SL7-tubes/TJ-Fullmusic-Gold-pin-6SN7-Matched-Pair
 
http://www.6moons.com/audioreviews/tj+synergy/1.html
 
And how they make them.
http://www.enjoythemusic.com/china_2009/tj_full_music/page2.htm

 

[KoshNaranek]

The Chinese made 6sn7 that I have seen use a square plate cross section similar to Russian tubes. I believe that the tooling for tube production originally came from Russia.

When I went through my original Saga tubes, I found I liked rectangular plates the best (RCA, GE, Hitachi, Hytron) I realized this after listening, so no preconceptions.

The T plate tubes were generally warmer (Sylvania, Tung-Sol)

The stock tube (square plate) was in between.

This is my personal experience, I have little scientific basis for my conclusions. Past performance is not indicative of future results. I assume no liability for any costs or psychological damage you may incur. Blah Blah Blah Yakity Schmackity.

 

[US Blues]

  Tubes !!!
 
http://tctubes.com/6SN7-ECC32-5692-VT231-tubes.aspx
http://www.thetubestore.com/Tubes/6SN7-Tube-Types
 
I ran Across these and the look cool but had a Weird name So I found an interesting article.that peaks my interest. Apparently the person behind them is very respected in the tube community. If Any one has used these please grace us with your opinion,
http://www.store.diyhifisupply.com/Vacuum-Tubes/6SN7-6SL7-tubes/TJ-Fullmusic-Gold-pin-6SN7-Matched-Pair
 
http://www.6moons.com/audioreviews/tj+synergy/1.html
 
And how they make them.
http://www.enjoythemusic.com/china_2009/tj_full_music/page2.htm

 
These Northern Electric tubes are made by TJ Fullmusic in China and sold by The Tube Store, Northern Electric is their house brand.
 
http://www.thetubestore.com/Tubes/6SN7-Tube-Types/Northern-Electric-6SN7
 
It seems The Tube Store gets these and tests them in house, even though the box reads Canada, they are only tested there, not manufactured in Canada.

 

[theveterans]

The Chinese made 6sn7 that I have seen use a square plate cross section similar to Russian tubes. I believe that the tooling for tube production originally came from Russia.

When I went through my original Saga tubes, I found I liked rectangular plates the best (RCA, GE, Hitachi, Hytron) I realized this after listening, so no preconceptions.

The T plate tubes were generally warmer (Sylvania, Tung-Sol)

The stock tube (square plate) was in between.

This is my personal experience, I have little scientific basis for my conclusions. Past performance is not indicative of future results. I assume no liability for any costs or psychological damage you may incur. Blah Blah Blah Yakity Schmackity.

 
Agree with you on the RCA 6SN7GTB tubes (couldn't justify spending a huge $$$ on the 5692s). I find that the RCA does not emphasize any frequencies; just make the soundstage wide open, revealing details and transients clearly, and I get the feeling that the sound does not get colored in any way.

 

[KoshNaranek]

Which GE are you comparing it to?

 

[theveterans]

  Which GE are you comparing it to?

 
I'm just comparing stock against the RCA. The RCA sounds similar to the stock in tonality, but the RCA edges out the stock objectively in soundstage and imaging IMO and subjectively detail retrieval.

 

[hornytoad]

The RCA Red Base tubes are 159 bucks a piece! Yikes. 

 

[KoshNaranek]

The RCA Red Base tubes are 159 bucks a piece! Yikes. 

I have a red base and black base. I cannot hear the difference.

 

[hornytoad]

I have a red base and black base. I cannot hear the difference.

Where have you seen the best price for the Rca Black Base? 

 

[KoshNaranek]

Where have you seen the best price for the Rca Black Base? 

I paid $10 for an used tube out of a 5 gallon Homer bucket of tubes from an ebay seller that lives near me

 

[bigro]

I just bought two matched 1954 Black Base RCA from a seller on ebay for $35 shipped
 
From that same seller I found these. I am not sure if the coin base makes a difference.                                          http://www.ebay.com/itm/RCA-6SN7GTB-MATCH-PAIR-COIN-BASE-BLACK-PLATE-SIDE-GETTER-MINTY-/282285985062

 

[RoundRound]

Hello People,
Has anyone tried the Sylvania CHS JAN 6SN7WGTA? 66'
 
I found a matched quad for $150 - not sure if it's a good deal? I want to use them in the Freya...
 
Thank you!

 

[theveterans]

  Hello People,
Has anyone tried the Sylvania CHS JAN 6SN7WGTA? 66'
 
I found a matched quad for $150 - not sure if it's a good deal? I want to use them in the Freya...
 
Thank you!

 
 
IMO that's a good deal. It should work on the Freya as long as it's a 6SN7. As for sound, you have to wait to hear it. Haven't tried any Sylvania 6SN7s in my Saga though.