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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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[quote user="zako"]Red lights would make it look like the red light whore house districk in Amsterdam....[/quote] I do not know about whore house districts – it does not bother me too much. The decision I made to built into second section (from thro...
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I posted this request at the Yahoo FM group, the place reportedly owned by the Reichsführer-SS Bob Fitzgerald, I have mention that Moron-wanna-be-in-charge before. Thankfully that cretin does not show up there and the air in that bulletin blog is fre...
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Figuring out how to switch REL Precedent’s IM bandwidth to more suitable for Stereo operation I was wondering about something else. The 250kHz window though which the REL Precedent looks to the FM band is might be fine for DXing or having good select...
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Hi Romy,So, six channels are now operational in the first DSET. By up I mean the anode voltages on all tubes is about right and the currents are in the ballpark of where they need to be. I am yet to check the DC Offset so hopefully that goes ok.Ini...
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Dear Romy,OK, some more about the midbass.Well, it was not really a surprise to us that the horn without the phase plug was dissapointing. Without the plug we had a horn that was a bit too short, had too large front cavity and less compression than w...
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[quote user="RF at Ona"]Romy and friends,Reading about the sensitivity of your system to electrical power supply problems reminds me of the days when I used to make my own equipment as much for the learning experience as for the final result.One of t...
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Look at the solution in a different manner.Regeneration will typically not be able to service large power transients thus, they are best suited to SET, i.e. constant current systems. Similarly any control loop cycling will usually be heard...
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>>Gera, are you catapulted from another planet? Are you sure that you want to drive a mid horn with Rowland amp?
Romy, some people that know me will say "yes", I am not sure... Of course no, not the Rowland to drive my horns, this is the amp ...
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Well, during the last 2 days with new PP300 I used the Bypass button for perhaps 12 times. The init is sitting under the rock and to engage the Bypass I need not only to bend my fat body into indecent position but to hold myself into that positio...
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After dealing with my tuner pick digital noise from my AD and DA, and particularly from Lavry DAC, I loaded Lavry with quite substantial amount of ferrite anti-RF filters:
http://www.romythecat.com/Forums/ShowPost.aspx?postID=7851
It includes the a...
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What do you know: the APS PurePower regenerator is back. Since last December, when I returned the PurePower unit #5 because it did not sound right and had some objective defects the APS were working on something and now the PurePower Version 6 ...
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Rony,
Actually I did try to drive Melquiades from different source. My old tube buffer, my phonostage and any other not DC-coupled source were not able to drive it. The 6-ch Melquiades is pain in as to drive. It has around 5K input impedance ...
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[quote user="drdna"] I know all the compromises involved with the EdgarHorns, I have heard them when I visited Bruce Edgar in Gardena, and they were pretty good compared to most of what is out there. I realized that I would likely never be able...
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ACTIVE CROSSOVERS
1) Loudspeaker drive units of different sensitivities may be used in one system without the need for lossy resistive networks ( and L-Pads ) or transformers
( DEQX lets me use 98 ...
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I sincerely feel that all those conversations about space
and the rest of the Audio G-spot words are irrelevant until people who engage
in conversation are exposed to a properly implemented Auro 3d or any other objects-oriented
Space reconstructio...
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I would like to offers some thoughts about possible avenues for Pure Power 2000 improvements. Those thoughts are no specific to the recent November-December events and have broader generic implication. I initially intended to write it to Pure Po...
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...especially about the difficulty of making a transparent preamp. It seems to be a general concensus.
But I need gain for most of my sources apart from perhaps the FM ...
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I do know why it is necessary for anybody tell you anything – use your own judgment. Leaving aside the advantages and disadvantages of transformer coupling use you own common sense to think about the bandwidth of the transformers loaded with se...
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I presume that whoever read this thread have gone over my comments about the Sound of the former PurePower 1050, particulary my comments about the PurePower’s “Super Texture” at the page #5 of this thread. This controversial “Super Texture” was my ma...
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I was listening last night the HF section of MiniMe. It was interesting and frankly very promising. The RAAL 70-20XR were fine and he JBL5 did splendid. They are not properly integrated, were not measured and were made up to work together well, it wa...
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There is a company out there “Environmental Potentials” that go power-line filtration. They claim that they use other then capacitive filtration, some kind proprietary active dissipative absorption. I think that it all BS but I do not know what e...
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The Super Melquiades Amplifier is essentially the 3 parallel running Melquiades amplifiers optimized for driving my Macondo Acoustic System, with line-level or inner-stage filters. This SET uses a full 6C33C at LF output and ½ of 6C33C for HF and MF ...
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[quote user="Romy the Cat"]The result [in the 6-channel Milq] is definably better but the reason-consequences patterns are not so easily interpretable, and are absolutely not interpretable when the filters are applied.[/quote] And the explorations th...
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“Gravity, is a natural phenomenon by which physical bodies attract with a force proportional to their mass”. Try to fuck with it!
[quote user="Kerry Brown"] Marc, please surf the web for more information, there are many sophisticated systems t...
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[quote user="Romy the Cat"]I did not measure the distortions… [/quote]I had a conversation with the APS guys. They clime that their units do not act like my unit and that no one of their previous customers informed them that their units at a fe...
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[quote user="Romy the Cat"]
BTW, in 2 days the very same concert will be broadcasted buy different station live-to-tape. It would be VERY interning to see what change to sound it will be. I do not know if it was the problem with recording or the pr...
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[quote user="jessie.dazzle"]I've been listening for about one week now with the filters set so the hand off from lower-mid to upper-mid happens higher up (upper-mid S2 is high-passed at 4800Hz instead of 3200Hz), meaning the small 400Hz horn is doing...
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[quote user="Markus"]Very interesting discussion. I have taken a close look at Marco's horns and am thinking about using them in a horn installation. I plan to use the TAD 4003 from, say, 1 to 8 kHz, and a tweeter above that.
I would love to use ho...
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The fact that they are broadcasting digital streams over web has no impact over FM reception of cause. The problem is not “digital” but with the stations the embrace HD Radio. The HD Radio is very popular here in US and many do FM/HD simulcasts. ...
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I do not know which core and wire materials I shell need, I need to consult with my transformer people for that. As the starting point I plan to use that:
http://www.sowter.co.uk/acatalog/EQ_INDUCTORS.html
It might be good as is of I might order so...
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