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In Reply to: RE: "frequency compensation" and "sound shaping" posted by Lew on July 08, 2015 at 07:58:13
These terms are very revealing of your goals. That's perfectly OK, but many do not share those goals. And those goals are not attainable without introduction of "colorations" that most of us would like to avoid. (Coloration seems to be one of your goals, on the other hand.)
That is the conclusion I have arrived at as well. Although ultimate neutrality is not my primary goal, I'd still like to avoid gross colouration and maintain acceptable transparency, while achieving other goals.
Cheers,
91.
"Confusion of goals and perfection of means seems to characterise our age." Albert Einstein
Follow Ups:
Both of you speak from NO listening experience with this technique, especially properly executed. Your lack of experience allows me to write off your "guesses and comments" as useless, which IMHO, they are.Sincerely,
Jeff Medwin
Edits: 07/09/15
Jeff, I deleted my previous response. I do not want to get caught in negative exchanges with you - they are miserable experiences that achieve nothing that justifies the effort.
As you know, I sought the type of experience you apparently demand. The reality is that you repeatedly mandated that experience be limited only to your Rx. Any expression of creative or independent thought - especially experimentation with other methods - has been vehemently discouraged. This behaviour has been repeated continually in our personal correspondence. Because of this, I requested that personal communication between us cease. I will endeavour to extended this agreement to public exchanges as well.
All the best to you Jeff,
91.
"Confusion of goals and perfection of means seems to characterise our age." Albert Einstein
Jeff,
you like the sound of a dynamic volume expander and distortion. That is okay, and there is absolutely nothing wrong with creating a unique sound generating machine.
dynamic volume expander and high distortion I disagree with.
bandwidth limited yes.
There was a post by tube wrangler that claimed -1/2dB at 19KHz or something to that effect.
Perhaps the EML tubes and all his other special techniques allow for such performance from a SE 7B4 DC 2A3 circuit.
my point was that claims of high distortion are exxagerated.
Based on your ARTA graphs, the distortion of the SE 12AX7 DC 2A3 was NOT unusually high from what I remembered seeing.IMO, it looked OK.
Not sure how much your SE 2A3 circuit deviated from what DF or JM have done.
Edits: 07/13/15
since jeff's circuit is a moving target I'm probably off by a mile. :)
I'll take the high road on this, because there's no such thing as "winning" this argument. But for the record, I meant no criticism of your preferred approach; I merely recommended that you might try another that is diametrically different, just to hear the result for comparison.
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