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Actually I did have it is past. At that time I used a low-pass filer on my upperbass horn. It was 103dB sensitive driver of 16Ohm, highly inductive, and I needed somewhere hear 800Hz, speaker level, the first order. Being an extremist I got 3mH coil of 8ga wire. Oh, did I mention that at it was an air core coil? This barrel of corer sounded very well but the problem was that when I connected to this coil the MF driver crosier then I was picking quite a lot of noise in my speakers… even the amplifiers were disconnected. Interesting that the noise was irrelevant to grounds or anything else and grounding it did not resolve the problem. Moving the speaker 1M away from the spot got rid of the problem but the right speaker had to be exactly there to sound near DPoLS in my room.  I officially declared that that part of my room as the Area 51 (ground contrite floor with nothing under) and I was forced to build a large sarcophagus around that large coil using the 15mm steal box. Believe me or not but the box minimized the nose but did not get rid of it!!! So, I ended up with a VERY expansive project of making a box around the coil using the CO-NETIC Alloy. It worked well but it was VERY unfriendly. The problem last for a long time and went away completely when I went for Super Melq and the filtration at the line level (no air coil). I still have this thick CO-NETIC box that cost me as much as a mid country in Africa makes in year. It sits there as an evidence of my ultimate defeat to the Area 51… Interesting that at that time I used Lamm ML2s and I do not remember if Vladimir had his secondary grounded. I presume that since it was a commercial amp then he did have it grounded….

Anyhow, I went far form the subject of the Melquiades building….

The caT

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