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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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Quotes from Romy in blue: "...Anyhow, I do not know at which stage your project is what I think you are somewhere in a process of integrating the drivers..."I would like to stabilize the system, and listen to the existing horns, while ...
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[quote user="gordan"] plus they IMHO sound better - less prejudiced towards a romantic SET sound we all know (and some try to avoid).[/quote] Yes, Gordan, it is exactly what I heard about the 10s from the sources that I found rational. The huge plate...
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The 1933 articale in Radio-Craft by W.H. Hollister about DSET systemhttp://www.goodsoundclub.com/pdf/BiAmpArticle_1933.pdfThe Cat...
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[quote user="anthony"]Exactly that, my sources do
not play loud enough through the Melquiades or DSET. Like your OPPO, they
only put out about 2V RMS which seems to be the modern standard and I need
more. Can you remember what input voltage ...
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With the project of the 6-chennal Super Melquiades is about to hit its final stage I might to review my summarizing observations. The 6-chennals Macondo is driven by 6-chennals dedicated DSET Melquiades, that looks like properly orgies for the job. T...
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[quote
user="anthony"]Hi Romy,
So it is time to think about the bass output
transformer in my DSET. My bass channel will be 8 x 25W/8565-00 each side
set in a sealed box and will cover the frequency range below say 100Hz.
These drivers can be ...
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I made experiments running HF filaments from dedicated Hammond 6.3V transformer vs. lifting ground on my 6.3V IDH filaments. I did not listen Sound but rather measure the noise – the result was identical. In the best cases I was able to get 0.63m...
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[quote user="Merlin"]The Berning Siegfried.[/quote]
When I made the post about I did not read the replies above. The Berning Siegfried? Well, I did not hear this amp, in fact I did not hear any of the Berning amps that use that impedance matching pa...
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[quote user="decoud"]I imagine the resistance to the DSET concept does not come from idiocy - Lamm may well be steeped in vanity and avarice, but he is certainly no idiot - but from resistance to combining amplification and loudspeaker in a singl...
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[quote user="drdna"] So what are the effects of good electricity of the PP2000? It may be a good idea to look at the frequency response and harmonic distortion of the system to see if filters in the Macondo speaker system may need to be adjusted now ...
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[quote user="drdna"] It is a very old idea to say that higher power is required for good bass response. I do not think you will get any argument from anyone that increased power makes finding solutions to achieve a good bass response easier. [/quote]...
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Here is what I have been thinking for a whale: how bad electricity impacts our long term judgment about the design decisions. Pretend we have a DSET amplifier and a speaker channel and we have a task to load the DSET’s plate properly. The proper load...
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[quote user="manisandher"]At some point I'd like to start a thread asking for ideas on how to go about setting up a DSET / multi-horn system. Are there any threads here that I should read before doing that?[/quote]
It would be in a direct cont...
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There is a tube out there might be a good candidate to drive ULF from DSET
http://tubedata.tubes.se/sheets/127/7/7242.pdf
It is a low voltage triode with 100W on plate, 9 times gain and 80R plate impedance. 3 of them might form a...
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Lamm juts announced the “Wold Premier of Lamm ML3 Signature single-ended triode moonoblocks” at CES 2008. It will be paired with large Wilsons in 2500sq feet room. To drive 95dB sensitive speaker with 32W in 2500sq feet is a sizable task but it will ...
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[quote user="Romy the Cat"]You use Edgar’s refrigerator subs that use own LF SS amps (that use EQ of I am not mistaken), so you do not use the full advantage of SET LF sound.[/quote]You are correct, though I believe the subwoofer covers only below 40...
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Actually my leading though how to put one ass on all impedance chars is to have 5K primary with 12-16 coils of secondary. The 4K would be fine load for 2A3 type of pates. It would not be difficult to remap the secondaryes to get 7K-8K that would be O...
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[quote user="Romy the Cat"]As much as caps in speaker
crossovers makes deference, so do they make in coupling applications. In Milq
the cap is light duty as the amp never goes A2 and the cap is not change the
polarity, still the coupling caps do m...
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I hope everyone appreciates the value of the foregoing post. IMO, anyone thinking of "going DSET" might read it through several times first. The post reminds me of Romy's earlier (recent) post wherein he wonders how in the hell he did it at all (wh...
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[quote user="N-set"]I'm well aware of your discovery. But I find it somehow a cheap trick. This is a purely irrational feeling, absolutely irrelevant for you and your system. [/quote] I world not call it irrational, in fact it is very rational and I ...
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I have explored the subject of tapped horns. My exploration did not include listening them – ridicules, isn’t it? I did consult with a few folks, who I respect and who built and heard many of them and who know subject well. I pretty much know what I ...
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[quote user="Tax"]The other options are to get some custom Amorphous OPT's <50R 350mA 8:1 as per previous posts, or to possibly pair Romy's LF tributes (for sale section) with a pair of Lundahl's in a two channel DSET configuration. The Avantgarde...
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[quote user="drdna"] How about using the 6C33C for the low midrange-woofer, the 2A3 for the upper midrange, and the 45 for the tweeter? I suspect if each circuit can be optimized, that they can do their best within each frequency range. [/quote] Hm…....
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For whatever stupid reasons the DSETs (Dedicated Single Ended Amplifier) are not as popular among audio people as they SHOULD be and this imperfection I am trying to attack.
So, if you use SET for whoever propose then it fine but if you e...
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With all advantages of DSET with multi-ways it is a pain in ass to maintain it. For instance now I am chasing for 2-3 weeks a mean thing. Whoever use 6C33C know how the tube dies – it begin to produces from time to time those dry non- harmonic bursts...
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[quote user="IslandPink"]…. transformers being the big issue there as I see it ….[/quote]IslandPink, We are so accustom to sink inside the box of full range SET amplifiers that we afraid of everything. This is the whole beauty of DSET concept – the ...
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Putting together a speaker system that ticks all your boxes is a lot like doing anything else well: it is fine to experiment in order to find your range and learn your options but once you choose a path you must stick to it. Chopping and changing i...
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Interesting observations and categories. I propose a Bizarro/Direct Radiator mirror using negative numbers, except I have a hard time thinking of anything beyond -3.5, and (I have taken the liberty...) some fractional equivalents might be useful.I be...
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[quote user="ArmAlex"] Romy, I plan to build Melquiades. But there are couple of questions:1-One of speaker options is Gryphon Trident, it is an active bass speaker so Mel should drive MF & HF only. In your opinion can Mel drive these speakers? ...
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It seems ironic that the path to bringing the single-channel DSET/narrow band horn idea to market would invlove traditional marketing per se as much as the melding of evolved listening with cutting edge technology. While there is rote work...
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