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For Sale: The best of the bunch! Russian tubes for Schiit Valhalla version 1 & 2. - Page 2

post #16 of 35
Thread Starter 

I would agree that in most cases the 6n1p sounds better than the EB version, but on occasion I find a really nice sounding EB version. Right now I've been running some EB versions that sound (tonally) better than any non-eb tubes to date.

 

 

post #17 of 35

This is one outstanding set of tubes! Very musical and eminently listenable!

 

Before purchasing these, I had replaced the stock drivers with a matched set of 1964 6N1P’s from the soviet Novosibirsk plant. This resulted in a noticeable improvement in detail and transparency over the stock tubes. My Cardas-cabled HD650’s sounded less veiled with an airy quality that’s difficult to describe. The only negative was an occasional brashness or stridency in the upper midrange, particularly from flute, trumpet, horn, and massed female vocals when listening at higher volume. It was almost as if the tubes were a little too intense and detailed if that makes any sense. I had also replaced the output tubes with a set of 1963 6N6P’s from the soviet Foton factory in Tashkent. The difference was not as noticeable as the driver swap but there seemed to be a slight increase in bass weight and heft along with a slightly warmer sound overall.

 

I swapped both driver & output tubes with Mr.Tom’s set to see how they compared. After 6 hours of break-in there is definitely far less upper midrange stridency with just a slight diminishment in transparency or “airiness.” The difference in transparency is very subtle and may well be only my imagination. The midrange seems smoother too; detailed but with the sharp edges rounded. The bass sounds fuller as well with great extension and definition. Through the 650’s I thought the Valhalla’s bass was well-defined but a little on the lean side. This set definitely added a bit more weight and punch.

 

I still find it incredible that a $350 amp can achieve this level of sonic excellence. Even with the stock tubes the Valhalla is very impressive but with the right set she truly sings! The best of the bunch indeed! Many thanks Mr.Tom!

beerchug.gif

post #18 of 35
Thread Starter 

Thank you.

 

 

 

This is one outstanding set of tubes! Very musical and eminently listenable!

 

Before purchasing these, I had replaced the stock drivers with a matched set of 1964 6N1P’s from the soviet Novosibirsk plant. This resulted in a noticeable improvement in detail and transparency over the stock tubes. My Cardas-cabled HD650’s sounded less veiled with an airy quality that’s difficult to describe. The only negative was an occasional brashness or stridency in the upper midrange, particularly from flute, trumpet, horn, and massed female vocals when listening at higher volume. It was almost as if the tubes were a little too intense and detailed if that makes any sense. I had also replaced the output tubes with a set of 1963 6N6P’s from the soviet Foton factory in Tashkent. The difference was not as noticeable as the driver swap but there seemed to be a slight increase in bass weight and heft along with a slightly warmer sound overall.

 

I swapped both driver & output tubes with Mr.Tom’s set to see how they compared. After 6 hours of break-in there is definitely far less upper midrange stridency with just a slight diminishment in transparency or “airiness.” The difference in transparency is very subtle and may well be only my imagination. The midrange seems smoother too; detailed but with the sharp edges rounded. The bass sounds fuller as well with great extension and definition. Through the 650’s I thought the Valhalla’s bass was well-defined but a little on the lean side. This set definitely added a bit more weight and punch.

 

I still find it incredible that a $350 amp can achieve this level of sonic excellence. Even with the stock tubes the Valhalla is very impressive but with the right set she truly sings! The best of the bunch indeed! Many thanks Mr.Tom!

beerchug.gif

 
post #19 of 35

Hope this thread is still being watched! I have a 1st gen Valhalla with stock tubes and I'm looking to get something more out of it, do you happen to have any more of these matched Russian 6n6p's from the 70s and 6n1p's from the 60s?

post #20 of 35
Thread Starter 

I do. send me a message.

post #21 of 35

I got my Vallhall about a year ago, well I guess exactly a year ago.  I got it Nov 2012 and what to experiment with some new tubes.  The vallhalls is my first tube amp so I have no expierience rolling tubes.  The description of the sound with these is what I am looking for, especially the extra weight and punch!!  I sent you PM thanks in advance!! 

post #22 of 35
Thread Starter 
Quote:
Originally Posted by tinman96 View Post
 

I got my Vallhall about a year ago, well I guess exactly a year ago.  I got it Nov 2012 and what to experiment with some new tubes.  The vallhalls is my first tube amp so I have no expierience rolling tubes.  The description of the sound with these is what I am looking for, especially the extra weight and punch!!  I sent you PM thanks in advance!! 

I just noticed your message. I replied.

 

Thanks.

post #23 of 35

I'am want to buy a set of tubes for my schiit valhala,whats my next step? Thanks Jim

post #24 of 35
Thread Starter 
Quote:
Originally Posted by sabin1669 View Post
 

I'am want to buy a set of tubes for my schiit valhala,whats my next step? Thanks Jim

PM sent, Thanks.

post #25 of 35

Hey Mr. Tom,

Also looking for a set of these tubes if you have any left.

Thanks!

post #26 of 35
Thread Starter 
Quote:
Originally Posted by mgclmnky View Post
 

Hey Mr. Tom,

Also looking for a set of these tubes if you have any left.

Thanks!

Yes, PM me.

post #27 of 35

I got my tubes from Mr. Tom the other night.  He shipped them quickly and they were very well packaged.

I cleaned them up and popped them into my Valhalla - they made a noticeable difference right away.  I'm looking forward to spending some time with these new tubes and listening to tracks that I was unsatisfied with.  .....this is going to be fun!  :beyersmile:

 

Thanks again!

post #28 of 35
Hi, just wanted to say I've been enjoying reading your posts and wondered if you could recommend a warmer input tube for the Valhalla as mine seems a little dry; or I am used to a different tube amp sound. Thank you.
post #29 of 35

PM sent

 

Joe

post #30 of 35

aw heck, I know it's late in the game.... but do you have any sets left?

I'm considering trying these.

 

Thanks!

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