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K&K Audio / Lundahl Transformers Welcome! Need support, you got it. Or share youe ideas and experiences. |
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K&K Audio / Lundahl Transformers Welcome! Need support, you got it. Or share youe ideas and experiences. |
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In Reply to: ST-70 upgrade plan/path posted by nerdorama on January 26, 2014 at 12:13:33:
There is no thread like the one you suggest, until now....
Yes, you can do the upgrade in the order you outline. The Main Board Kit will work well to start, and the shunt regulators can be added at any time after that. Ultimately, it's also possible to improve the sound quite a bit by adding Lundahl output transformers. Operated using the original power transformer and 50mA of bias current, the 6P3S-E tubes sound very good. I was using them in mine until I increased the voltage by replacing the power transformer with my SST-70 power transformer. The increased voltage was simply too much at that point and I had to switch to either 6550s or KT-120s.
Kevin Carter
K&K Audio
www.kandkaudio.com
This post is made possible by the generous support of people like you and our sponsors:
Follow Ups
- RE: ST-70 upgrade plan/path - KevinC 05:24:41 01/27/14 (2)
- RE: ST-70 upgrade plan/path - nerdorama 12:48:05 01/27/14 (1)
- RE: ST-70 upgrade plan/path - KevinC 17:36:03 01/27/14 (0)
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