Alternative Dynaco ST70 upgrade

K&K Audio / Lundahl Transformers

Welcome! Need support, you got it. Or share youe ideas and experiences.

I've had a K&K board upgrade (triode mode) ST-70 for a few years. I like it lot but something evil inside me recently began to stir and I looked around other options. I found this suggestion by Joe Rasmussen who used it on an ST-70.
http://www.customanalogue.com/jlti_el34.htm
this has a so called "Virtual Triode Mode"

and L.E.M. module to "induce Permeability so it never drops below our defined level"

So now my question is does this make a worthy alternative upgrade that makes technical sense or can this be incorporated into my K&K ST-70 to further improve it's sound quality? Your thoughts on this modification?

Herman

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Topic - Alternative Dynaco ST70 upgrade - Gera 21:57:26 02/17/16 (7)

RE: Alternative Dynaco ST70 upgrade - nerdorama 11:41:49 02/18/16 (0)

RE: Alternative Dynaco ST70 upgrade - KevinC 05:29:08 02/18/16 (5)

L.E.M. circuit description - Gera 22:34:39 02/18/16 (4)

RE: L.E.M. circuit description - KevinC 12:50:15 02/19/16 (3)

RE: L.E.M. circuit description - Gera 21:48:07 02/23/16 (2)

RE: L.E.M. circuit description - KevinC 04:53:06 02/24/16 (1)

RE: L.E.M. circuit description - Gera 08:14:44 02/24/16 (0)

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