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6SN7 Tube Addicts - Page 257

post #3841 of 4207

Good to know buddy. I was hoping they would be close.

post #3842 of 4207

The last couple of 6SN7 tubes I have bought include a couple which are not exactly 6SN7s.  I am referring to NOS ECC32s = CV181s made by Mullard from the 80s.  These are good looking tubes dark brown bases, smoke class and having ST shaped envelopes. The NOS  CV1988s I mentioned are also called 6SN7 GTY and are made by Brimar, black glass, brown base my tubes are from 1972.  The ECC 32s have more gain than regular 6SN7s making it a little bit difficult to fairly compare to the others.

That said they are detailed very clean and richly toned.  The Brimars are very clear strong signaled and have detail equal to  the Mullards.

I wish I knew how to post pictures from my Andriod phone.

The other interesting 6SN7 I have collected recently are a quad of Marconi made in Italy.  They were  heavily used but still work welll ( I am uncertain of their emmsion or transconductance because I am waiting to get my tester back from repair.  If anyone wants to trade or just  a pair of these poorly labeled/marked Marconi tubes I would be happy to oblige.

Can anyone tell me who I can send my Singlepower Extreme to for the safety issue?

post #3843 of 4207
Thread Starter 

Very nice tubes for sure!

The ECC32's have great mids.

They come with different bases, getters, grey or black plates, but they are good tubes, worth having.

 

Don't run the ECC32's in the Extreme it may not be able to handle the higher heater current for long and could damage your transformer.

 

I have a couple of recommendations depending  on your location.

post #3844 of 4207
Here at last......









Liking them a lot so far.
Edited by SpudHarris - 12/2/13 at 11:27am
post #3845 of 4207

That's good to know.  I had tried ECC32  in the Extreme and noted that the transformer and top plate were warmer than usual.  What tubes were you going to suggest?  I was pleased with the Brimar Black BTY and  Sylvania 6SN7Ws among others.

My problem right now is trying to understand the output market.  It takes time (patience) and observation to know how much certain tubes will generally cost. After figuring the market for.. lets say... Tung Sol 5998s ..Only then  can I learn  if I prefer the resultant  sonics.

post #3846 of 4207

Ladder plate type Rays do indeed sound good in the Icon HP8.

 

I have to say one of my biggest surprises tube rolling that amp was how good the National Union blackglass sounded in it.  Bass is a little flabby, but the tone and harmonics are a great match for the amp's character.

 

I sort of regret selling my Brimars, I have a hunch they would have been a good match for the Icon as well.  Then again as little as I use the amp it doesn't matter much either way.

post #3847 of 4207

I'm back in! I just purchased the ALO Audio Studio Six, so I have plenty to play with: 6SN7, 6V6, OB2 and 5AR4. 

 

6V6s and OB2s are thankfully cheap.

post #3848 of 4207
Quote:
Originally Posted by Currawong View Post
 

I'm back in! I just purchased the ALO Audio Studio Six, so I have plenty to play with: 6SN7, 6V6, OB2 and 5AR4. 

 

6V6s and OB2s are thankfully cheap.

Have you heard the DNA Stratus for comparisons? 

post #3849 of 4207
Quote:
Originally Posted by Currawong View Post
 

I'm back in! I just purchased the ALO Audio Studio Six, so I have plenty to play with: 6SN7, 6V6, OB2 and 5AR4. 

 

6V6s and OB2s are thankfully cheap.

Amos have you left the Stax camp now entirely?   Glad to see your back  with tube amps. The fun is in the rolling but once you get the right combo that ends. I am pretty stable with my WA5 selection now and I have lots of 6SN7 just using the tungsol 6F8G in their now but have other of those tubes as well.


Edited by Frank I - 12/7/13 at 11:30am
post #3850 of 4207
Quote:
Originally Posted by magiccabbage View Post
 
Have you heard the DNA Stratus for comparisons? 

 

No, unfortunately not. None have made their way out to Japan as far as I know.

 

Quote:
Originally Posted by Frank I View Post
 
Amos have you left the Stax camp now entirely?   Glad to see your back  with tube amps. The fun is in the rolling but once you get the right combo that ends. I am pretty stable with my WA5 selection now and I have lots of 6SN7 just using the tungsol 6F8G in their now but have other of those tubes as well.

 

So far, I'm going to stick with dynamics and get a pair of good near-field speakers instead.

post #3851 of 4207

Amos what speaker are you considering near field. I am using the fritz Carbon 7 SE with my WA5. I love them and amazingly they are 88db and sound fantastic with the W5. 

post #3852 of 4207
Hi I am new to this thread. I just bought a pair of Sylvania 6sn7w metal base tall bottles for my WA5. This is my first upgrade from stock tubes but I can say that there is a very noticeable improvement in the mids and highs from the stock GE drivers, with a lusher mid range, more natural sounding vocals, extended highs and soundstage. However, the bass is very lean compared to the GE or even in absolute terms and this bothers me.

Does anyone have the same experience or do you think my pair is defective? I note there is a 6 mA difference between the two Sylvanias so they are not perfectly matched. Thanks!
Edited by lojay - 12/13/13 at 10:05am
post #3853 of 4207
Highly unlikely the tubes are defective. Defective tubes would make huge amounts of noise, or just do nothing. It sounds like you don't love the bass performance of the 6SN7W Metal base. You wouldn't be the first one who didn't biggrin.gif
post #3854 of 4207

Maybe he should try some Ken Rad black glass.   For the price of one 6sn7w  you can  buy two KR 6sn7 or maybe 3. 

post #3855 of 4207
Thanks! The 6SN7W is really quite magical, I can see why it is highly sought after. Luckily I got mine at a bargain price biggrin.gif Can't wait to see if it has synergy with the 300B and 5U4Gs I'm going to buy.

Skylab, you are quite right my pair is absolutely quiet with the WA5. No microphonics or hum at all. However, it may be that my pair is past its prime. The readings on the label say "6.3/1.65, 5.5/1,80" on one and "6.8/1.95, 7.1/2.05" on the other, any idea how I could gauge whether my pair is good?

Neo, I hope you are right, my Ken-rad is arriving on Monday..
Edited by lojay - 12/13/13 at 9:38pm
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