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Read the Post in new Window Read the Post in Threaded view  Post #9: Teaser video by cv on 2015-08-13 
Browse the content of the threads in new Window  Thread: Wheel-Fi in Horn-Loaded Speakers  9 Replies 
Yes, I absolutely loved the ending of the video - such a tease... I would guess that it's exactly what they wanted. Having viewed it again, Romy, I see what you mean about the larger horns' profile - looks like very truncated expo to me now... I was ...

Read the Post in new Window Read the Post in Threaded view  Post #39: Les etudes de Thomas by cv on 2015-08-12 
Browse the content of the threads in new Window  Thread: Audio Shopping vs. Piano Shopping. in Playback Listening  39 Replies 
Delightful! And such perfect touch...Our little boy would occasionally manage something along those lines... he also loves to bob his head along, Stevie Wonder style, while pretending to to play along to the electric piano demo pieces (some Liszt, fu...

Read the Post in new Window Read the Post in Threaded view  Post #5: Wheelfi horns and ethos by cv on 2015-08-12 
Browse the content of the threads in new Window  Thread: Wheel-Fi in Horn-Loaded Speakers  9 Replies 
Hello,A couple of things to correct here - the horn flare is not conical even though the exterior surface gives that impression.Also I don't believe Jeffrey has any affiliation with weiss or other industry types at all - in fact, from what I've seen ...

Read the Post in new Window Read the Post in Threaded view  Post #4: Thomas by cv on 2014-11-14 
Browse the content of the threads in new Window  Thread: Who inherit Mocondo or another Mini-Me. in Site Support Forum  42 Replies 
Fantastic news, am so very pleased for you all! Well, with the one proviso that you limit Thomas' audio training to operating the power switch... ok, maybe changing a tube or two.Amy, I hope you are reading this...Best wishes,cv...

Read the Post in new Window Read the Post in Threaded view  Post #73: The VPO/Maazel at the Albert Hall... by cv on 2013-09-16 
Browse the content of the threads in new Window  Thread: Kitties go to London in Audio Discussions  92 Replies 
I can well imagine the heat in the hall was making them a bit drowsy - and perhaps their touring schedule - of which, as far as performances of the Eighth go:Sat, 7. September 2013Redefin, GermanyLandgestüt Redefin, Reithalle Gestüt RedefinWed, 11. S...

Read the Post in new Window Read the Post in Threaded view  Post #13: 120db/oct without phase shift by cv on 2013-08-09 
Browse the content of the threads in new Window  Thread: Yamamura's 6 ways in Horn-Loaded Speakers  16 Replies 
I bet Yamamura is using non-causal filtering... this is all running off a  music server, so could process everything offline.This makes it possible to do forward-backward filtering - you run the filtered signal "backwards" through the original filter...

Read the Post in new Window Read the Post in Threaded view  Post #4: Gynaecological horns at Munich 2012 by cv on 2012-05-04 
Browse the content of the threads in new Window  Thread: High End 2012 in Germany in Audio News  36 Replies 
I had exactly the same thought...They're "elliptical JMLC" horns by autotech.pl. There are some threads on diyaudio, including:http://www.diyaudio.com/forums/group-buys/166312-waveguides-horns.htmland they have a website showing their myriad options ...

Read the Post in new Window Read the Post in Threaded view  Post #6: No jacket required.... by cv on 2012-05-04 
Browse the content of the threads in new Window  Thread: What to do in England? in Audio Discussions  7 Replies 
Generally these things aren't that formal... certainly not the Barbican, and I don't imagine the RCM would be any different. In fact, I can't remember the last time I had to dig out my top hat and monocle......

Read the Post in new Window Read the Post in Threaded view  Post #4: England and hifi by cv on 2012-05-04 
Browse the content of the threads in new Window  Thread: What to do in England? in Audio Discussions  7 Replies 
That may have been true in Walker's day but now we have the smallest speakers and the biggest women in Europe......

Read the Post in new Window Read the Post in Threaded view  Post #9: 211 vs 845 , 212E... by cv on 2011-09-08 
Browse the content of the threads in new Window  Thread: A different breed of 6C33C amplifier. in Melquiades Amplifier  84 Replies 
Very interesting! (and impressive construction there KO)I know this isn't quite the subject of the thread, but could you tell a bit more about the 212E amp, in particular, the regulator topology?Regarding 845 vs 211 - Romy, I suspect what you were he...

Read the Post in new Window Read the Post in Threaded view  Post #416: Honk idea... by cv on 2011-03-24 
Browse the content of the threads in new Window  Thread: Macondo’s Midbass Project – the grown up time. in Horn-Loaded Speakers  455 Replies 
R,I'm not quite sure exactly what you are after, but if you remember my idea of filling a horn with a dense gas and having a gas tight, but loose mylar sheet to seal it in at the mouth... that will extend the LF, but you'll also get a greater impedan...

Read the Post in new Window Read the Post in Threaded view  Post #10: Half finished canvases by cv on 2011-03-24 
Browse the content of the threads in new Window  Thread: Why I do not love Mahler? in Musical Discussions  15 Replies 
Indeed; art that leaves something for your own imagination to fill in the gaps is always more fulfiling.Dunno if you've seen the resevoir dogs movie, I recall when it came out there was a huge fuss about the scene when the policeman gets his ear cuto...

Read the Post in new Window Read the Post in Threaded view  Post #7: Done with Gustav? by cv on 2011-03-17 
Browse the content of the threads in new Window  Thread: Why I do not love Mahler? in Musical Discussions  15 Replies 
Did you find that instead of resurrecting your interest it finished it off and its now Bruckner all the way? Or did recent changes in the Macondo bass config reveal something new?Ok, no idea......

Read the Post in new Window Read the Post in Threaded view  Post #336: Horn trauma by cv on 2010-10-02 
Browse the content of the threads in new Window  Thread: Macondo’s Midbass Project – the grown up time. in Horn-Loaded Speakers  455 Replies 
That's horribly disappointing for now but I think Jessie is right.Firstly, as you essentially said, I wonder if the horns are coupling into the room such that you actually have much bigger devices than you thought... you are actually sitting inside t...

Read the Post in new Window Read the Post in Threaded view  Post #332: Giant robot halloween lights by cv on 2010-10-01 
Browse the content of the threads in new Window  Thread: Macondo’s Midbass Project – the grown up time. in Horn-Loaded Speakers  455 Replies 
Romy - forget pulling the throat protectors out... just blast them out with a cheesy 1812 and have the canon shots modulate the lights... Solves the issue of the ceremonial initiation too in secular fashion...Seriously though, I can't wait to hear (v...

Read the Post in new Window Read the Post in Threaded view  Post #10: Uber-tweeky phono topologies deconstructed by cv on 2010-03-04 
Browse the content of the threads in new Window  Thread: An interesting Russian pnonocorrector. in Analog Playback  9 Replies 
Hello Paul,The first stage is a pentode, so the Miller cap is negligible. As for the other things you mentioned, there is a detailed exploration, which covers some of your points, by Dave Slagle at:http://www.intactaudio.com/forum/viewtopic.php?t=102...

Read the Post in new Window Read the Post in Threaded view  Post #7: Corrected corrector... by cv on 2010-03-04 
Browse the content of the threads in new Window  Thread: An interesting Russian pnonocorrector. in Analog Playback  9 Replies 
That makes more sense, though I must admit, Dave corrected me regarding how the first scheme  might work (I had forgotten MM cartridges had such high inductances)....

Read the Post in new Window Read the Post in Threaded view  Post #4: Inductance cartidge equalisation what? by cv on 2010-03-03 
Browse the content of the threads in new Window  Thread: An interesting Russian pnonocorrector. in Analog Playback  9 Replies 
I don't see how the cartridge inductance is doing anything as far as that schematic goes.There's another thing *very* wrong with it as well, but as you're not going to pursue it, we can leave it at that....

Read the Post in new Window Read the Post in Threaded view  Post #2: Novel MM corrector by cv on 2010-03-02 
Browse the content of the threads in new Window  Thread: An interesting Russian pnonocorrector. in Analog Playback  9 Replies 
Hi RomyHow very strange you mention this... Dave and Jeffrey have been working with a somewhat similar concept.The design you have doesn't look right - it's missing a time constant; you need another cap there. Where did you find this schematic?...

Read the Post in new Window Read the Post in Threaded view  Post #15: The 13E1 by cv on 2010-03-01 
Browse the content of the threads in new Window  Thread: More power from Melquiades? More powerful tube? in Melquiades Amplifier  19 Replies 
Man would I love to visit the MIT fleamarket... only a few thou miles away alas.Well, I'm not advocating A2 in any way. The 13E1 will happily run at lower anode voltages but you won't get enough A1 power out, which is a shame cos you'll need a new po...

Read the Post in new Window Read the Post in Threaded view  Post #13: More bass power - 13E1 Melquiades? by cv on 2010-03-01 
Browse the content of the threads in new Window  Thread: More power from Melquiades? More powerful tube? in Melquiades Amplifier  19 Replies 
Consider a triode connected 13E1. 95W dissipation, will probably work beautifully with the existing OPT if you adjust the gap down and if you can rewire your arrays to present a somewhat higher impedance.Something like 400V-450V / 200mA-ish will ...

Read the Post in new Window Read the Post in Threaded view  Post #81: More on the field coil damping - and an easy way to adjust it by cv on 2010-03-01 
Browse the content of the threads in new Window  Thread: Vitavox S2 with Electromagnets in Horn-Loaded Speakers  91 Replies 
Hello chaps,Firstly, something I forgot before was that the high impedance coil will have more turns... so the DCR etc will be stepped down as seen by the voice coil. My guess is that overall it will still provide slightly less damping, due to imperf...

Read the Post in new Window Read the Post in Threaded view  Post #78: Re: quicker rise time with higher voltage by cv on 2010-02-28 
Browse the content of the threads in new Window  Thread: Vitavox S2 with Electromagnets in Horn-Loaded Speakers  91 Replies 
I still say you will get the same "effects" if you current source a low voltage supply. Or, easier, put an inductor in series with the windings after your filter cap.The way I look at it is that the voice coil is the primary of a transformer; the cor...

Read the Post in new Window Read the Post in Threaded view  Post #64: In defence of Dave... by cv on 2010-02-26 
Browse the content of the threads in new Window  Thread: Vitavox S2 with Electromagnets in Horn-Loaded Speakers  91 Replies 
Mr H,I had a look at your drivers on your links - very interesting! Wish I could hear your work there, I can imagine it is rather special.That said, I must address a couple of your points:1) The safety issue:Dave is about the most "sound uber alles g...

Read the Post in new Window Read the Post in Threaded view  Post #62: High vs low voltage field coils... irrelevant? by cv on 2010-02-26 
Browse the content of the threads in new Window  Thread: Vitavox S2 with Electromagnets in Horn-Loaded Speakers  91 Replies 
Well, as I see it, one can consider the voice coil a primary and the field coil a secondary of a big transformer.I can see how a low voltage coil with low resistance via the PSU (which batteries certainly have) could therefore sound different from th...

Read the Post in new Window Read the Post in Threaded view  Post #2: Vitavox corner horn plans - ask Peter Empson by cv on 2010-01-24 
Browse the content of the threads in new Window  Thread: Vitavox corner horn in Horn-Loaded Speakers  10 Replies 
Hi Romy,If you look at the bottom of this page:http://www.noteworthyaudio.co.uk/loudspeakers2.htmlit looks like he offers replicas of them...Good luck,cv...

Read the Post in new Window Read the Post in Threaded view  Post #9: Single ended First Watt F5 by cv on 2009-12-10 
Browse the content of the threads in new Window  Thread: SS Amplification for Compressions drivers? Sound? in Horn-Loaded Speakers  19 Replies 
Hi Romy,On my to-do list is a single ended version of the F5... essentially just the upper or lower half of the schematic, with a load resistor to opposite power rail (or perhaps a low DCR SE transformer) replacing the complementary portion.Alas it's...

Read the Post in new Window Read the Post in Threaded view  Post #7: Indeed, no bananas here by cv on 2009-09-25 
Browse the content of the threads in new Window  Thread: Superior electric binding posts in Melquiades Amplifier  26 Replies 
Hi Paul,Completely agreed - I clumsily said plugs, when I meant spades - was simultaneously looking at some proper lemo plugs for signal and got confused.... Bananas, esp. for big hog woofers are - well - exactly that.I've also used the technique you...

Read the Post in new Window Read the Post in Threaded view  Post #3: Superior electric tip by cv on 2009-09-23 
Browse the content of the threads in new Window  Thread: Superior electric binding posts in Melquiades Amplifier  26 Replies 
Much appreciated Romy. Extremely valuable research this - the last thing I want to do is spend a fortune on high end jewelry BS. Guess it will be gold or nickel plated (the gold probably sits on a layer of nickel anyway). I'll also see what matching ...

Read the Post in new Window Read the Post in Threaded view  Post #1: Superior electric binding posts by cv on 2009-09-23 
Browse the content of the threads in new Window  Thread: Superior electric binding posts in Melquiades Amplifier  26 Replies 
Hi Romy,Prosaic question - what's the part number for these? Finally building some LF arrays and need a good few reasonably priced good sounding posts... sounds like these will fit the bill.Many thanks,cv...
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