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Torii Mk3 and KT66's (Read 2113 times)
zen101
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Posts: 6
Re: Torii Mk3 and KT66's
Reply #15 - 07/03/14 at 02:05:31
 
Is it ok to use KT66 with a Torii MKIII??? I thought it could only be used in MKIV Torii's?
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mark58
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Re: Torii Mk3 and KT66's
Reply #16 - 07/03/14 at 02:41:03
 
You can use KT-66 tubes in a Torii MK III.  Several here have done it and like the result but it doesn't utilize the Hazen Grid Technology. Below is what Steve says on page 4 of the owners manual...link provided.

I've got a MK IV and except for a brief time running the stock KT-66s I ordered with it,  I've been using Seimens/RFT EL-34s.  I like these best but I seem to be in the minority on this.  Mark.

Unlike the TORII MK II that used EL34, KT77, 6550 or KT88 without re-biasing the TORII
MK III uses our new Hazen Grid Technology to push the transparency, speed, tightness to
a level that greatly surpasses the alternate tubes. Since this is the case, extra voicing
was used to get the maximum sonics from the EL34 at the cost of making any of the
above listed alternates a waste of time because they will not sound as good.

http://www.decware.com/newsite/TORIIMK3Manual.pdf
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« Last Edit: 07/03/14 at 02:44:22 by mark58 »  
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Brian
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Re: Torii Mk3 and KT66's
Reply #17 - 07/03/14 at 06:35:44
 
Have you found that as a group, Beam tetrodes  sound more dynamic than true Pentodes?
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Lon
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Re: Torii Mk3 and KT66's
Reply #18 - 07/03/14 at 10:50:44
 
mark58 wrote on 07/03/14 at 02:41:03:
You can use KT-66 tubes in a Torii MK III.  Several here have done it and like the result but it doesn't utilize the Hazen Grid Technology. Below is what Steve says on page 4 of the owners manual...link provided.

I've got a MK IV and except for a brief time running the stock KT-66s I ordered with it,  I've been using Seimens/RFT EL-34s.  I like these best but I seem to be in the minority on this.  Mark.

Unlike the TORII MK II that used EL34, KT77, 6550 or KT88 without re-biasing the TORII
MK III uses our new Hazen Grid Technology to push the transparency, speed, tightness to
a level that greatly surpasses the alternate tubes. Since this is the case, extra voicing
was used to get the maximum sonics from the EL34 at the cost of making any of the
above listed alternates a waste of time because they will not sound as good.

http://www.decware.com/newsite/TORIIMK3Manual.pdf

Well, that's in the manual alright. But, in actuality, to my ears, in my system, the Hazen Grid thing. . .well it's an extra level of bright detail that I don't think that I need that badly with my material. When I run 6L6 or KT66 in the Mk IIIs they sound fantastic, better than EL34, to me. So I would say they are well worth a try, one might easily prefer one tube type to the other. I am convinced that for me it's best to continue using KT66 in my Mk III. The sound is so big and open and with an ease that no EL34 or 6CA7 quite had.
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« Last Edit: 07/03/14 at 10:55:37 by Lon »  

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zen101
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Re: Torii Mk3 and KT66's
Reply #19 - 07/13/14 at 03:34:47
 
It does not say in the manual that you can use kt-66 or 6l6 in the Torii MKIII?   Huh
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Lord Soth
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Re: Torii Mk3 and KT66's
Reply #20 - 07/22/14 at 17:21:51
 
You can safely use a KT66 in place of the EL34.

The following link is useful for learning more.

http://www.thetubestore.com/Resources/Product-Reviews/KT66-Tube-Review

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