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In the Forum: Audio Discussions
In the Thread: Devid Berning amplifiers: the anti-trnsformers frenzy?
Post Subject: All my Berning ampsPosted by drdna on: 9/25/2007
 Merlin wrote: |
| Are your observations regarding the ZH270 relating to comparisons with other push pull designs or SET's? |
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Well, both push-pull and SET and also some transistor designs as well, as I used to be quite a fan of Nelson Pass and have an old Threshold and Aleph amp lying about.
| Merlin wrote: |
| I wasn't aware you had owned two Bernings - just the one. Which models did you own? The ZH270? |
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Well, the one was the ZH270, whose name I couldn't remember (all those numbers and letters!). Also, there was the EA-2101, a wholly different design but made by Berning. Also there was the BaM-235, Berning's car amplifier. So actually three if you count that one, but I think the ZH270 is the most salient one for this discussion as it shares the toplogy.
| Merlin wrote: |
| Secondly could you explain which characteristics of the recording are destroyed, and what mechanism David Berning uses to acheive this? |
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Musical loss is never intentional. We try to expunge the bad (distortion, noise) and preserve the good (music). But, as with any real-world process, this happens imperfectly. When we polish silverware, the hallmark is rubbed away a bit; when we scour a dirty pan, the surface is scratched, when we shave, we may get a cut.
I simply mean that Berning's topological design, while innovative, is a solution with some clear benefits (e.g., reduction in hysteresis) but there will be some losses as well. To my ear, while I clearly heard the benefits, there was a loss of musical involvement which I value highly. How does it happen, specifically in the ZH270? I don't know; if I did I would fix it. I expound on this conept in more detail in the thread:
http://www.goodsoundclub.com/Forums/ShowPost.aspx?postID=4116#4116
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