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Read the Post in new Window Read the Post in Threaded view  Post #33: Duelund caps: sanity check. by Romy the Cat on 2009-03-09 
Browse the content of the threads in new Window  Thread: The K&K SE hybrid phono stage: a report in Analog Playback  54 Replies 
[quote user="drdna"] Actually, I believe they can be tailor made to your exact specifications, which at that price they should be.[/quote] It is not a thread about cup but I still…. This is always an interesting question to me – where is the thres...

Read the Post in new Window Read the Post in Threaded view  Post #40: Twogoodears on the Duelund caps. by Romy the Cat on 2010-02-19 
Browse the content of the threads in new Window  Thread: The K&K SE hybrid phono stage: a report in Analog Playback  54 Replies 
Here is the link, though I have no idea whose words he is quoting: http://twogoodears.blogspot.com/2010/02/again-about-duelunds-coherent-audio-pio.html The caps are $1000 per 630V/1uF. So, I wonder what those super expensive caps ...

Read the Post in new Window Read the Post in Threaded view  Post #170: I could not "see" the Duelund by Paul S on 2010-02-14 
Browse the content of the threads in new Window  Thread: Initial thoughts about new/old Lamm ML2s in Audio Discussions  215 Replies 
There are some very interesting moments with the not-so-expensive Sonicap Gen I caps, which I have described in the K&K thread. I will replace the 935s with these.  I am willing to take the chance that the little .033 uF 1000V 950s in my unit...

Read the Post in new Window Read the Post in Threaded view  Post #42: Again, use “price” as a design tool by Romy the Cat on 2010-02-19 
Browse the content of the threads in new Window  Thread: The K&K SE hybrid phono stage: a report in Analog Playback  54 Replies 
It is nothing to do with Wisdom.  It is my principle of application of “cost” as a common sense design tool. I do not bitch that Duelund caps are expensive. I just try to find a rational solution for using them that would embrace their price. My ...

Read the Post in new Window Read the Post in Threaded view  Post #33: Duelund caps: sanity check. by Romy the Cat on 2009-03-09 
Browse the content of the threads in new Window  Thread: The K&K SE hybrid phono stage: a report in Analog Playback  54 Replies 
[quote user="drdna"] Actually, I believe they can be tailor made to your exact specifications, which at that price they should be.[/quote] It is not a thread about cup but I still…. This is always an interesting question to me – where is the thres...

Read the Post in new Window Read the Post in Threaded view  Post #40: Twogoodears on the Duelund caps. by Romy the Cat on 2010-02-19 
Browse the content of the threads in new Window  Thread: The K&K SE hybrid phono stage: a report in Analog Playback  54 Replies 
Here is the link, though I have no idea whose words he is quoting: http://twogoodears.blogspot.com/2010/02/again-about-duelunds-coherent-audio-pio.html The caps are $1000 per 630V/1uF. So, I wonder what those super expensive caps ...

Read the Post in new Window Read the Post in Threaded view  Post #30: Ring radiators by be on 2009-09-08 
Browse the content of the threads in new Window  Thread: The European Triode Festival’s horns in Horn-Loaded Speakers  57 Replies 
"This topology was invented by Steen Duelund"Ah-hm, ring radiators where not invented or even re-invented by the Steen Duelund dude, just copied. JBL used the priciple 40 years prior to that in: 2402-2403-2404-2405  and Fostex have been using them al...

Read the Post in new Window Read the Post in Threaded view  Post #32: Ring-radiator by KLegind on 2009-09-09 
Browse the content of the threads in new Window  Thread: The European Triode Festival’s horns in Horn-Loaded Speakers  57 Replies 
[quote user="be"]"This topology was invented by Steen Duelund"Ah-hm, ring radiators where not invented or even re-invented by the Steen Duelund dude, just copied. JBL used the priciple 40 years prior to that in: 2402-2403-2404-2405  and Fostex have b...

Read the Post in new Window Read the Post in Threaded view  Post #1434: PurePower Sale at PartsConnexion by TonyB on 2015-10-26 
Browse the content of the threads in new Window  Thread: It’s mad, mad, mad... electricity. in Audio Discussions  1910 Replies 
PartsConnexion has has PurePower 2000 and 3000 units on sale 35% and 32% off:http://www.partsconnexion.com/fin_prod_purepower2000.html?utm_source=getresponse&utm_medium=email&utm_campaign=1express&utm_content=pcX%E2%80%99s+BIGGEST+Promoti...

Read the Post in new Window Read the Post in Threaded view  Post #1: Parts As Facilitators or Obstacles by Paul S on 2009-03-09 
Browse the content of the threads in new Window  Thread: Parts As Facilitators or Obstacles in Audio Discussions  0 Replies 
Another rushed post, thinking about Romy's "miles of wire" remark, germane to the giant Duelund caps.I have thought about this sort of stuff for some time, and I have come to the point where I tend to think of all parts as partly obstructive (sorry.....

Read the Post in new Window Read the Post in Threaded view  Post #1: The sound compromises of high efficiency direct radiators. by haralanov on 2009-01-05 
Browse the content of the threads in new Window  Thread: The sound compromises of high efficiency direct radiators. in Audio Discussions  8 Replies 
In the thread “Exceptional loudspeakers drivers”  Paul S. wrote:"LOTs of time pretty much wasted lately, looking at "HE" direct-radiator drivers that are actually only HE at their uppermost frequencies, with diving responses and large-to-hu...

Read the Post in new Window Read the Post in Threaded view  Post #31: I Suppose If I Say I'm Curious, by Paul S on 2009-03-08 
Browse the content of the threads in new Window  Thread: The K&K SE hybrid phono stage: a report in Analog Playback  54 Replies 
then everyone here will just read, "gullible".  However I admit to being totally hypnotized by the Duelund spiel, which I find oddly compelling despite no real, "serious" information apart from the sort mystical, quasi-reverential ...

Read the Post in new Window Read the Post in Threaded view  Post #158: First music testing by anthony on 2019-01-31 
Browse the content of the threads in new Window  Thread: Planning my DSET in Melquiades Amplifier  186 Replies 
So, the first DSET is still downstairs on the electronics bench and I am back to work for a while, but not too hard and not for too long (I hope).  I've added all the filters and checked and tested and changed some more things and decided that it was...

Read the Post in new Window Read the Post in Threaded view  Post #6: Mix, match & settle by Paul S on 2007-06-27 
Browse the content of the threads in new Window  Thread: Additive capacitance: mixing oils and films? in Audio Discussions  10 Replies 
Dan, it is funny that the Hovland is one of only a few caps I have specifically ruled out for crossovers.I do not like but merely settle for black Solens for larger values, mostly because I just don't like to solder together great wads of smalle...

Read the Post in new Window Read the Post in Threaded view  Post #17: More Expensive Small Caps by Paul S on 2010-03-10 
Browse the content of the threads in new Window  Thread: What is the buzz: the V-Caps? in Audio Discussions  19 Replies 
What's the deal with all these expensive, small value caps?  Are people paying this kind of money to bypass their cheaper couplers, or what?http://174.132.244.231/copper-teflon-capacitors.phpThis spiel contains a lot more "technical information" than...

Read the Post in new Window Read the Post in Threaded view  Post #27: HF channel - BMS 4540 by KLegind on 2009-09-08 
Browse the content of the threads in new Window  Thread: The European Triode Festival’s horns in Horn-Loaded Speakers  57 Replies 
Hello Marc Henry,I am curious as to why you picked the 4540 driver for HF. I have no experience with this unit but it is interesting since the design claims to be of the "ring-radiator" type. This topology was invented by Steen Duelund for use in reg...

Read the Post in new Window Read the Post in Threaded view  Post #170: I could not "see" the Duelund by Paul S on 2010-02-14 
Browse the content of the threads in new Window  Thread: Initial thoughts about new/old Lamm ML2s in Audio Discussions  215 Replies 
There are some very interesting moments with the not-so-expensive Sonicap Gen I caps, which I have described in the K&K thread. I will replace the 935s with these.  I am willing to take the chance that the little .033 uF 1000V 950s in my unit...

Read the Post in new Window Read the Post in Threaded view  Post #150: Marchand by RLRB on 2021-04-11 
Browse the content of the threads in new Window  Thread: Macondo’s lowest channel. in Horn-Loaded Speakers  150 Replies 
[quote user="Romy the Cat"]fiogf49gjkf0dI am observing an interesting and surprising fact – I am begging to like my active Marchand crossover. I did a number of modifications to it and it looks like the parts are broken-in now – it does sound very pl...

Read the Post in new Window Read the Post in Threaded view  Post #41: Inspiration by anthony on 2023-07-13 
Browse the content of the threads in new Window  Thread: Macondo 3.0 in Horn-Loaded Speakers  51 Replies 
Righto then, I guess there is no reason not to try this, except that one of the original crossovers here is non-functioning (if I remember correctly), so if trialling in stereo I'll have to crossover in Melquiades.  Should have the parts here to do t...

Read the Post in new Window Read the Post in Threaded view  Post #169: The coupling caps in ML2? by Romy the Cat on 2010-02-14 
Browse the content of the threads in new Window  Thread: Initial thoughts about new/old Lamm ML2s in Audio Discussions  215 Replies 
[quote user="Paul S"] Does anyone know the voltage the big couping caps actually see?  Yes, I should measure it, but I would rather avoid the drill of opening the amps, propping them up somehow and measuring if someone already knows the answer. Of co...

Read the Post in new Window Read the Post in Threaded view  Post #32: Dueland capacitors by drdna on 2009-03-09 
Browse the content of the threads in new Window  Thread: The K&K SE hybrid phono stage: a report in Analog Playback  54 Replies 
[quote user="Paul S"]then everyone here will just read, "gullible". However I admit to being totally hypnotized by the Duelund spiel, which I find oddly compelling despite no real, "serious" information apart from the sort mystical, quasi-reverential...

Read the Post in new Window Read the Post in Threaded view  Post #19: The coupling cap in my 'End of the life' phono? by Romy the Cat on 2008-05-27 
Browse the content of the threads in new Window  Thread: The last phonocorrector: “End of Life" Phonostage in Analog Playback  310 Replies 
Referring to the threads a few month back: http://www.romythecat.com/Forums/ShowPost.aspx?PostID=4937 I wonder if I need to play with the coupling cap between the first and second stage. Now I have my beloved ElectrocuCube 950. In my former version...

Read the Post in new Window Read the Post in Threaded view  Post #1: A Frankenstein Macondo - Injection channel - trying it as open baffle. by Rewind on 2013-07-02 
Browse the content of the threads in new Window  Thread: A Frankenstein Macondo - Injection channel - trying it as op... in Horn-Loaded Speakers  14 Replies 
Hi,I am slowly building my own Macondo. I understand why the injection channel is there. It brings some kind of softness that the compression drivers lack. I am using a 12" JBL midbass driver (~100dB sensitivity) in a 50L single driver Marshall cabin...

Read the Post in new Window Read the Post in Threaded view  Post #29: Cap rolling... by anthony on 2015-06-18 
Browse the content of the threads in new Window  Thread: Planning my DSET in Melquiades Amplifier  186 Replies 
[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...

Read the Post in new Window Read the Post in Threaded view  Post #3: Summary by Rewind on 2013-07-02 
Browse the content of the threads in new Window  Thread: A Frankenstein Macondo - Injection channel - trying it as op... in Horn-Loaded Speakers  14 Replies 
Thanks for the detailed answers. I will explain my setup.You are right about the dipole bass correction instead of the injection channel. Since I am waiting for both a subwoofer and the Fane Studio 8M and their horn, I am using the 12" as a b...

Read the Post in new Window Read the Post in Threaded view  Post #159: So far so good. by Romy the Cat on 2019-01-31 
Browse the content of the threads in new Window  Thread: Planning my DSET in Melquiades Amplifier  186 Replies 
[quote user="anthony"] Plenty of thought has gone into the speaker cables largely because there are plenty of them and I would prefer for them to be hidden completely from view.  Five of the six channels exit the amplifier in the well that fits a...

Read the Post in new Window Read the Post in Threaded view  Post #30: Caps, caps, caps.... by Romy the Cat on 2015-06-18 
Browse the content of the threads in new Window  Thread: Planning my DSET in Melquiades Amplifier  186 Replies 
[quote user="anthony"]Thanks for your insight Romy.  I can see your point about not needing to worry too much in the DSET about coupling cap performance at higher frequencies but I would imagine that the crossover filter caps are quite import at t...
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