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In the Forum: Melquiades Amplifier
In the Thread: 6 Channel Version of Super Melquiades
Post Subject: The Super Milq and the bottleneckPosted by Romy the Cat on: 9/11/2007
 Romy the Cat wrote:
If you read the very important post:

http://www.GoodSoundClub.com/TreeItem.aspx?PostID=5255

then might understand that it lead to a painful research on the subject. I have ton of data now and many experiments done. If I have time I will upload some notes.
I did not expected that the main impediments in the super Milq project will be the organization (sound) of the filters, particularly the high-pass filters. It looks like a type and topology of the high-pass filter for MF canal for instance become very fundamental for what the channel does. As you see on my last circuit I choose to drive the MF channel full range, despise the inductive limitation of the channel’s output transformer. There are reasons why I went for that, look like ridicules, solution. I still am experimenting with high-passing my MF channels, trying to get the right sound out of it but at this point I see no clear picture how it might end. The “resolution” of the 6E5P+S2 is superbly high and the filter-bias assembly is sitting right in the grid – a very “special” place to be.

In addition it is remotely possible that I might come to the conclusion that for proper Sound a channel must not be high-passed at line-level. I do not know if the conclusion will be a general rule of applicable only for the topology of my Milq but if I reach this conclusion then it might be huge as I never heard from any multi-amping people any warning against high-passing and the sonic consequences it has to Sound (I imply the corruption proper relationship between volume and harmonics).

Will see…
Romy the Cat

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