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Torii MK4 - Tube Rolling and Some Observations (Read 6499 times)
Lon
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Re: Torii MK4 - Tube Rolling and Some Observations
Reply #45 - 03/22/14 at 13:46:01
 
Each room and system is different. And program material. I find that a lusher presentation works better with most of what I listen to than a more clinical presentation. For me the material rules the hardware rather than I listen to things that sound great on my hardware.

May try those, they sound really good in guitar amps (I like a lush, warm guitar sound).
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Lon
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"Love without
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Re: Torii MK4 - Tube Rolling and Some Observations
Reply #46 - 03/22/14 at 13:58:37
 
Just ordered a quad of TAD 6L6 from cryoset. Using the KT66 has made me want to experiment. With the bass control on the Mk III I can fix any loose bass. My recent very positive experience with cryo'd TAD EL84 in my Zen C amp has me wanting to try more TAD tubes.
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« Last Edit: 03/22/14 at 15:00:28 by Lon »  

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grillski2000
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Re: Torii MK4 - Tube Rolling and Some Observations
Reply #47 - 03/23/14 at 04:09:23
 
Hey guys, I'm using the Cryoed NOS Reflector 6L6's right now. Just put them in so they are no where near as broke in as my KT66's were. I like them though. At first fire up they gave some good pops in the speakers then they kind of came across kind of "Thin" sounding. Then as the night wore on and on to the next day they def. sounded more full and "Lush" sounding than the day before. I like the KT66's as they do sound amazing, but I'm just curious as to what other tubes would sound like. The 6L6's def. made it sound like a total different animal than before. Seems to have more of the typical warm tube kind of sound. Looking forward to them breaking in more. Steve's description of them in the MK4 page are spot on. Why use them? It's different. I really cant tell much of a power deference. Love my MK4 conversion. Decware customer service is great too! Steve is a great help. I have only played around with the preamp and power tubes. Changing the tubes really does change everything.
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Lon
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Re: Torii MK4 - Tube Rolling and Some Observations
Reply #48 - 03/25/14 at 02:43:42
 
I have about six hours on a matched quad of cryo'd TAD 6L6WGC-STR in my newest Mk III and I am enjoying the sound. Sort of a cross between the cry'od 6CA7 and the cryo'd Tungsol KT-66 that I have been using recently. Quite dynmic and rich sounding, not quite as big and open as the KT-66 but more so than the 6CA7 and a darker, richer sound. Very promising, let's see how they burn in. I've been quite impressed with TAD tubes, they are very well made and the EL84s I bought for the C amp in my Dad's system sound superb.
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« Last Edit: 03/25/14 at 03:04:05 by Lon »  

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Greg12
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Re: Torii MK4 - Tube Rolling and Some Observations
Reply #49 - 03/25/14 at 05:42:37
 
Hi Lon,

Real curious on how they turn out for you.  Nice description on them at cryoset.

 "The TAD 6L6WGC-STR is the preferred choice for classic tone with warm clean and rich, sweet mids when pushed."

 That would be a plus in my mind.   I also see TAD makes an EL34 which supposedly sound a lot like Mullards per the Cryoset description ,  and they would utilize the Haazen grid mod.

I may try them out soon, question is which type..??

Greg
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« Last Edit: 03/25/14 at 06:11:47 by Greg12 »  

Torii MkIII, DM947 speakers, Oppo 105
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Lon
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"Love without
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Philip K. D*ck

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Re: Torii MK4 - Tube Rolling and Some Observations
Reply #50 - 03/25/14 at 11:41:30
 
I'll keep you posted. So far, 12 hours or so in, they're doing quite well. Like the 6CA7 they impart a vintage like sound. They have plenty of power for my needs. No real sonic detributes.
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will
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Re: Torii MK4 - Tube Rolling and Some Observations
Reply #51 - 03/25/14 at 23:14:09
 
Greg12,

I seem to recall some time ago that Ron thought the Ruby EL34 BHT had the same look and construction as the TAD 34B-STR. So I thought, a lot cheaper, though lacking whatever selection process TAD uses and I got the Rubys. I like them, but I would not call them rich per se. If they are the same now, thought you might want to check.
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« Last Edit: 03/25/14 at 23:16:44 by will »  

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Greg12
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Re: Torii MK4 - Tube Rolling and Some Observations
Reply #52 - 03/26/14 at 02:17:34
 
Thanks Will.  I'll keep them in mind for down the road. A lot of great choices.  Of course I still really like the OEM Tung-Sols, wonder it the cryo'd version do anything better.

But, it's all kind of moot for now.  Every time I start to think about ordering more tubes, I see a record I buy instead. Smiley

Greg

P.S.  Hope you are still enjoying the Mullards I sent you.  You're probably right in that I didn't give enough time to burn in.
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will
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Re: Torii MK4 - Tube Rolling and Some Observations
Reply #53 - 03/26/14 at 16:24:49
 
Yes I do like those Mullards, and they did change in good ways with more burnin, mostly opening/tightening up mid-mids down to a warm, balanced detail, while smoothing and softening the hardish edges in the upper mids. When I first heard them I thought they showed a variation of many unbroken in power tubes actually....but more exaggerated in the imbalance of open/bright upper mids and too thick low mids-to-bass.

I have not tried the Tungsol EL34s except cryo'd, but would not be surprised if the "softer" quality of "raw" tubes might not be a benefit to that particular tube. It is so articulate that the subtle cleaning up, clarifying, and extension cryo tends to do may be a little over-kill for my tastes with that particular tube...just speculating though!

I have been exploring a few KT66/6L6 types but not as much as I would like...been caught by too many things that have kept me from being able to play with my system...hopefully this will change in the next weeks for the better...audio therapy is what I could use more of theses days...so I hear you on buying records!
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Lon
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"Love without
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Philip K. D*ck

Posts: 7165
Re: Torii MK4 - Tube Rolling and Some Observations
Reply #54 - 04/05/14 at 16:21:26
 
Well, ultimately the cryo'd Tung-Sol KT-66 are a better fit for my Mk III than the cryo'd TAD 6L6WGC-STR. I just can't not have that wide open midrange that the Tung-Sols bring, along with the forgiving top end. The TADs are quite good, but just not quite "involving" enough at this time in that machine. I'll put them back in at some point when more broken in.

In the meantime I've put the cryo'd TAD 6L6WGC-STR in the Torii Mk II that I have in my Dad's system ast the moment. They are sounding very good there. The Mk II has a slight retro vibe to the sound in comparison to my Mk IIIs and these tubes and the ERRs both complement this well. In the opposite of what Jim quotes Steve as saying about 6L6 tubes, these have a ver upward tilt with a tight and focused bass. At least in their current status of a few hundred hours on them. I've had to dial the treble way back with the treble cut circuit, but doing so I have a very nicely balanced and dynamic presentation, well-suited for the classical music that gets spun in this system. And they are very robustly built, quite handsome tubes.
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dalerf
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Re: Torii MK4 - Tube Rolling and Some Observations
Reply #55 - 04/06/14 at 02:58:09
 
I seem to have gone full circle, amp came with the KT66, then I put in RCA 6L6 black plates, now I have Svetlana EL34, the EL34 seem to have more crunch and warmer sound than the RCA and KT66. I'm having so much trouble trying to tone down my Klipsch RF7-II speakers, the horns are so overpowering, next step is to have the speaker crossovers modified by DeanG, this is my last resort. I'm don't think I would buy horn speakers again. Sensitivity of 101db is too high, can only play new and mint records, picks up everything.
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