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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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First: Good on you John, so few have spent any time on core material properties. I have developed a method for passive self demagnetization in E/I core. Works a charm except that higher perm materials become harder to drive and the driver circuit beg...
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Amy, brushing her hair, inadvertently touched the water faucet in the bathroom. Those pipes go directly into the basement......
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I am certain you need at least two ceramic dalmatians on the nook / odd item stand on the right. In addition you will need to find at least one huge paining of an English noble woman, with a large nose, ridiculous hairdo and over the top gown is a mu...
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If you need a pair of isolation 1:1 line level transformers let me know.Bud...
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You might give some time up to a look through ebay for B&K theater controlling preamps. Truly excellent sound, typical B&K overbuilt construction and very nice prices, since they are now out of business....
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SOS, please note that your PP 2000 does not isolate one component from another within the reconstituted 60 Hz circuit. It only isolates those components from the noisy and variable wall voltage. Since you think you must isolate your TT and phono stag...
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Post #1072:
OMG
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by
Bud
on
2013-01-12
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What happens at year 100 & day 1? Can we get our money back if the magnets explode from the machined aluminum, RFI wrapped, tar filled box before year 100? Bud...
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A woman of singular courage and compassion. To allow an almost unknown man of good heart to help remove the pain from her sorrow.May I offer two slight wedding gifts, two scraps of poetry?Songwhat betterto cross that infinite voidyou and I Love is no...
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paper mache http://ultimatepapermache.com/paper-mache-recipes over a thin paper form...
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John Michael Le Cleach would be my first choice. Least intrusive "horn" I know of....
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You need to find an individual who can design series crossovers. Both JBL and Altec used these, because they sounded best. You will need to look for an individual near where you live because they will have to test the drivers as the design progresses...
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That corona PP discharge can be a mess...... make sure you XYZ to ensure a proper discharge path and then scout the local territory for a proper receptacle.The RDH says nothing. But, if you read it you can learn how to design power supplies that don'...
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This is an exploratory tweak. You will be finding out if your system is amenable. Take a 2 foot long piece of lamp cord. Split it into two pieces. Strip the insulation off of both ends and make a loop out of the wire length by twisting the ends toget...
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All transformers are phase inverting. The lowest leakage point of primary and secondary windings relationship to conventional E/I and C core is the physical start of the helical spiral winding. This is assuming more than one layer of wire. In toroid'...
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This is a story I love. I have been equally fortunate to have a cat girl friend, once in my life. She is no longer anywhere but in my memory and I miss her touch and her concern....Bud...
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Perhaps it would be the ideal place to put Dima's ideas about "tunable" power isolation /regeneration systems to work?...
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Knowing your love of transient speed in transformers I think you would do best with a small Lundahl device. They are Per's pride and joy. If you want to skew towards information transform, with a slight "softening" of leading edge performance I can h...
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I think you should investigate a transmission line subterranean woofer system. One tuned for 8 Hz and turned off at 28 Hz. That way you could use your beloved lite weight drivers where they are most useful and a super woofer with XBL magnet structure...
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Just be either very quiet about this or raise a huge stink about it. If you do this as a normal person might, some local bureaucracy will see to it that you do not survive. It is of course fascinating to think about your attempt to do this as a norma...
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Look here at the latest wavelet analysis of an EnABL'd speaker and an untreated speaker.http://planet10-hifi.com/mige-test/wavelet/index.htmlThe test is not important here, but the blink comparison might be just the ticket to show of where the si...
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Yes. Their is a direct correlation between surge current and dielectric materials dielectric constant. The voltages in question are high enough to use a thick dielectric material and just as with the effective resistance of the capacitor, there is a ...
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Sounds like they have a problem with current capability of their chopper circuit, the one that takes the AC voltage and cuts it into very tiny slivers before rectifying it to DC. Obviously the AC reconstitution circuit has adequate current capability...
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Hi Panos,Romy asked me for a sanity check on your stated performance limits for your SE OPT's. It is good to see someone paying some attention to what is in the Radiotron Designers Handbook for high performance coils. What you are doing, winding five...
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Interesting point of view Romy. I have been exploring what I think is the same phenomena with the silly Ground Control devices. Certainly the changes brought about can only be happening on the "dark side" of the notes, since the devices are connected...
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Just so long as the Berringer has a Jan Didden designed output board and has all crossovers done by 300 Hz and the 300 to 20 kHz is handled by a VERY GOOD, VERY MUSICAL and moderately slow tube amp, just to get the important part back into the middle...
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LT Spice will also provide some of this operational modeling. I have not used Leap, but inputting variable states in LT Spice will provide you with all of the linear state information you could want. Naturally music has no linear states.....Putting a...
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If you are going to use an LC filter, be sure that the choke has a big enough gap that the L does not change across the line level voltage range. Specifically ask Sowter about this. For instance, the choke I spoke to you about changes from 2.8 Henry ...
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The sine wave actually looks quite good no hint of saturation, clipping or wave deformity. Only a single trace, rather than a twisted rope. I suspect that when placed under a load much of the "broken" curve will smooth out. I would also suspect that ...
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CV,All that you point to is quite correct. My comments were based strictly upon which coil voltage would be a superior sounding electromagnet. The only benefit I can see to a higher voltage is the faster rise time in the voice coil of the induced EM...
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All switch mode power supplies that receive a CE, UL or CSA approval have complete isolation from the wall voltage, across the dielectric barriers of a transformer, from primaryto secondary.The isolation of noise occurs because the incoming wall ...
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