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EC Zana Deux tube rolling pls share - Page 32

post #466 of 625
Quote:
Originally Posted by oatmeal769 View Post
Thanks for that!! Any idea how it's going to sound in the Zana? Did their quality decline badly that late in the game, or are they good tubes? IE are they any better than my stock Russian Tung-Sol?
No idea how they sound in the ZD. They are better than the current production Russian tubes, IMO, but not as good as earlier US tubes.
post #467 of 625
The Standard Radio 33S29B is a fantastic tube. Think of it this way: A couple of hundred is a bargain compared to some 1400 aftermarket cables out there

The Valvo is my other favorite, and at 50 bucks, easily the most cost-effective upgrade in a system compared to other parts in the chain.
post #468 of 625
Quote:
Originally Posted by nor_spoon View Post
The Standard Radio 33S29B is a fantastic tube.
Is the 'Standard Radio' the same as the RCA I just bought? I.E. Rebanded? Your picture looks exactly like what I bought. Apparently the earlier 'black plates' - which this is - sound best...
Quote:
Originally Posted by nor_spoon View Post
The Valvo is my other favorite
Supposedly these are so similar to Mullards, due to similar design origins etc.? - except half the price?
Everything I've used so far that uses tubes, I always seem to gravitate toward Mullard...

Thanks for the info!
post #469 of 625
Quote:
Originally Posted by oatmeal769 View Post
Is the 'Standard Radio' the same as the RCA I just bought? I.E. Rebanded? Your picture looks exactly like what I bought. Apparently the earlier 'black plates' - which this is - sound best...Supposedly these are so similar to Mullards, due to similar design origins etc.? - except half the price?
Everything I've used so far that uses tubes, I always seem to gravitate toward Mullard...

Thanks for the info!
The Standard Radio was made in Sweden on license from RCA (during the 50's I believe), so no, they are not identical, although the construcion of the tube itself is.

I like the Valvo's better than the Mullard's. I find the Valvo to be less colored, more soft and natural in the treble, and with an excellent well defined bass.
Not that the Mullard's are shabby in any way...
post #470 of 625

Why do you offer me Delux when I only want a Standard?

Nor_Spoon shoot me a heads up if you see the Standard for sale over on your side of the world. I do hope we can compare tubes on a Zana Deux at a future CanJam. It would be fun to compare the Standard-Sweeden (RCA license) to the Fivre-Italy (RCA license) to a few original RCA's.
How much time are you spending with the Sennheiser 800 versus the 650's?
I am still a 650 listener. Perhaps at age 58 I find the closer sound of the 650 to be more psychologically comforting than the bigger soundstage of the 800's. Tubes are certainly cheaper to roll than cables, although I am still quite pleased with the Stephan Audio Art umbilical cord versus the stock cord. At Can Jam I spent a fair amount of time listening to my Ultra Sone 9's versus a pair with an AOL cable. For me there was not a significant audio diffrerence.
post #471 of 625
Quote:
Originally Posted by David Pritchard View Post
Nor_Spoon shoot me a heads up if you see the Standard for sale over on your side of the world. I do hope we can compare tubes on a Zana Deux at a future CanJam. It would be fun to compare the Standard-Sweeden (RCA license) to the Fivre-Italy (RCA license) to a few original RCA's.
How much time are you spending with the Sennheiser 800 versus the 650's?
I am still a 650 listener. Perhaps at age 58 I find the closer sound of the 650 to be more psychologically comforting than the bigger soundstage of the 800's. Tubes are certainly cheaper to roll than cables, although I am still quite pleased with the Stephan Audio Art umbilical cord versus the stock cord. At Can Jam I spent a fair amount of time listening to my Ultra Sone 9's versus a pair with an AOL cable. For me there was not a significant audio diffrerence.
Hey David. PM your address, and I will ship the Standard Radio your way so you can have a listen. I am on to the Valvo anyway.

Oh wait, I almost forgot, I do have two SR 33S29B's.
post #472 of 625

Tubing

Nor_Spoon P.M. sent
David Pritchard
post #473 of 625
Quote:
Originally Posted by oatmeal769 View Post
Check out this weird looking tube
Well, I think the 'coin base' GE sounds a little fuller than the slightly older GE black base, silver plate that came along with it. However, neither is appreciably or even noticeably different than the Russian Tung-Sol that came with my ZD.

I have high hopes for the Red Base RCA I bought, and am still looking for a Mullard, Valvo, or Brimar.
post #474 of 625

Valvo and Ken-Rad are equivalent

For those interested in a Valvo 6SL7GT, as I've posted previously, the Valvo and Ken-Rad 6SL7GT / VT229 sound identical to me. There is a pair for sale on eBay of these which look identical to the ones I have.
2 matched 1940's Ken-Rad VT-229/6SL7-GT 6SL7GT/G tubes - eBay (item 360175741442 end time Aug-29-09 13:36:53 PDT)
post #475 of 625

Suspended Animation

Bob reminds us that those VT-229 tubes can sound quite nice. Plus these tubes were often dated in the 1940's. Mine is a Jan(Joint Army Navy tube) dated 1944. Very special feeling having those electrons released from their slumber of 45 years to drive my music signal. My tube was made the year my Uncle was being torpedoed while on a Destroyer in the Pacific. Maybe the ships's sonar unit had a bad VT-229 tube!
Good listening to all.
David Pritchard
post #476 of 625
I just won these. for $26!

I'll be re-selling one of the Ken-Rads, and the RCA here on Head-Fi once I get them.
post #477 of 625
Nice. I think Ked-Rads are under-rated. They're a huge bargain at that price. IMO.
post #478 of 625
Well, I can definitely say I hear the premium sound of the Ken-Rads over the GE's I've been listening to.

The GE's might have been just a tad more full than the Russian Tung-Sol that came with my Zana. However, I'd say the GE's didn't represent enough of a difference to spend more than a couple bucks extra.

I've only used one of the pair of Ken-Rad JAN VT-229 I just bought, but I noticed immediately that it's much more airy up top. It also gives more dimension and depth to the sound stage. It represents all frequencies pretty evenly to my ear, and is nicely detailed.
I'd say the trade-off to all that air and detail is a fairly damped low end. It's not lacking - the bass goes real deep, but the trade off for clarity and air is possibly some extra damping and tightness in the 'mid bass' area.

Overall, I'd say the Ken-Rad is great for detail, without being too analytical. Very musical indeed, they definitely belong in the 'premium tube' category. I'm pretty sure these will be favorites.

What I'm really glad about is that I can now say with certainty that tubes do make a substantial difference with the Zana, which was not the case with the other tube amps I've owned. The difference isn't even close to being as apparent as it would be to switch brands of headphones or something, but it's definitely more of a difference than switching cables, and cheaper too.

I'm really looking forward to the red base RCA 5651 I bought a few days ago. I'm hoping it will be a nice counterpoint - big fat bass - to these Ken-Rad's.
post #479 of 625
Get 'em while they're hot. They sound really good!
post #480 of 625
Check this tube... Check this tube... It's a JAN Sylvania, but it's a short bottle, and completely coated with whatever the reflective material is, not just the usual top or side flash. I just now got it in the mail, hope it sounds good. Haven't seen any others like it. The Syl. JAN 6SU7 is the only other Sylvania I've seen with a complete coating, but it's gray.
Hope it sounds good!
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