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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="floobydust"][The Moondog amplifier has] a higher B+ voltage (350 volts) with a 1K cathode bias resistor and the 2.5K load.[/quote]
[quote user="Romy the Cat"]...the most proper operation of this tube will be at 275V on plate and 4.1K ...
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HI Romy, thanks for the thoughtful reply. The electricity comment is interesting as today I put on some jazz music and the HF is very snappy, excellent! I feel like posting on AA to ask people's opinons if it's the electricity or if my concrete...
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and especially "perfectionists" markets like Germany. Sound is of a secondary importance. I bet the new driver from Cesarro will be field coil driver because that's what peoplewant NOW. They want "the best" and field coil is now the best. Roman , som...
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One more thing about the JBL 375, I did play around with them enough, I aligned the diaphragms several times untill they sounded their best and were very listenable, This was some time ago now, I didnt turn my horns then, so I tried them on the orig...
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I'm going to try and build a Melquiades type amplifier (with some help from friends) following the advice given above to make it as simple as possible. I could spend more money for "different" transformer, but I will ask you for advice on...
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[quote user="Kcct82"] Hey guys, I bought the Goto 505TT with S150 horn brand new over 2 years ago. Guess what? I'd still be in sonic shit if I followed the 200-1000hz "recommendation". The 505TT does not perform well below 400hz and when I final...
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Hey Rom etal.I'm entering into unknown and difficult to intuit territory for me.I aquired a pair of very large constant dirrectivity horns EV hr9040 a, a little while ago and i now have a pair of jbl 2420's to power em. I haven't put them to gether, ...
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Very nice mounting. Hopefully the ridgidity will not cause any other unwanted vibrations from moving the assembly ever so slightly. I doubt it could be heard if so. Having used the T-350 (and t-35) over quite a long period from the mid 70's through t...
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Well, I do not know how the “ugliest” but I do sincerely feel that the idiot (obviously it was some kind of marketing genius) who initiated it should be hospitalized.
Active content removed ...
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Hi Romy
In my experiments, the corner loading influenced largely between 120 and 350. Above 350 u need a phaseplug on the cone.
Below 120 its pretty much immune to the details of corner loading, max a bit.
Below 50 its even sensitive to the wall m...
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[quote user="Paul S"] …. No, I can’t get Beethoven’s 9th just right, but then I don’t presently aim to. Call me a quitter, but I just mostly gave up quite a few years ago… [/quote]
[quote user="Romy the Cat"]… There are many-many release...
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One was the Llano Design Group's Trinity, which had 300wpc. The first stage was tube and was in a separated enclosure providing voltage amplification, while the second stage used transistors for current amplification. I guess it was pure cl...
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Charlus,As you expressed here this would be an End of life speaker project, and I am sure you will not fancy any other speaker once you start with this, even Vox Olympian etc. Yes it will take a lot of money and a lot of time, but you will have fun...
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[quote user="Romy the Cat"]
[/quote]In my new room I would like to accomplish my long objective to get for Macondo a new Fundamental Channel. I would like my Fundamental Channel to employ 170-180 Hz slow-opening horn and to use a driver with 350-4...
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Romy wrote:"...Since in my new house I will have no room height limitation I am consenting to replace my 250Hz tractrix horns with 200Hz exponential horns...""...I would like my Fundamental Channel to employ 170-180 Hz slow-opening horn and to use a ...
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[quote user="Jorge"]One more thing about the JBL 375, I did play around with them enough, I aligned the diaphragms several times untill they sounded their best and were very listenable, This was some time ago now, I didnt turn my horns then, so I tr...
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Very wise, Roman... I - myself and my wallet - both must agree about your feelings and opinions... I've been into tube collecting since early '80s and what I guessed was dear (ITL 50.000 (about EUR 25) for an AD1 or "Luftwaffe" RE604 is now a TRUE ba...
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of MTM arrangement of two TAD 1201 in <100 Hz Horn ? I assume they would both work in the same frequency range . Also JBL LE8 is only 89 db driver and it doesn't look like it can take any power . Difference in efficiency within the channels would ...
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Adrian, Fair enough... it's not about power or gain in your case, just making it sound as clean as possible. Well, if you go back to my earlier post on findings, I list the basic operating values. Just to recap them here:Plate supply ...
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If you followed, a few days ago in the conversation with “Michaelz” I was spinning my usual plot, bitching that most of the today’s pianists play, unintelligent as senseless, almost like with the "rubber fingers”:
http://www.GoodSoundClub.com/...
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The EV 350 cones are still available form many sources, they are $25 per cone. There are some other phenolic domes for 1” driver, or smaller. I do not know anyone who does 3”-4” phenolic domes that would make them suitable for MF drivers.
As far as ...
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[quote user="Romy the Cat"]There are no good ready to go transformer for 6C33C. Tangos are garbage. The 20 years back Tangos were OK for small tubes but Tango is long gone and whatever crap they label by Tango in fact Chinese transformers agglomerat...
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[quote user="Wojtek"]and especially "perfectionists" markets like Germany. Sound is of a secondary importance. I bet the new driver from Cesarro will be field coil driver because that's what peoplewant NOW. They want "the best" and field coil is now ...
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[quote user="Romy the Cat"]Now my midrange channel need no upper range diffusion and now I feel that the result I’m getting from T350 is too soft and too transiently slow for S2. So, I kind of very mildly begin to look out there and to try top fugue ...
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To make the story short :) Autotech is a family business located in Lublin, Poland. Younger brothers graduated in mechanical engineering are cars and racing lovers - with scores in Europe as professional drivers and mechanics. One year ago Lukas wrot...
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“Celebrating” today a university of Tchaikovsky’ death I can’t not refuse myself laughing about the huge amount BS that toady’s people crated around the circumstances of the Tchaikovsky’s death. The legends and hypnotizes pile up, bringing peop...
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one would take full advantage of what can be done in the digital domain so that the horn mouths could be arranged, not for time but to clean up their other interactions. This would be digital the entire way, solid state music files, digital amplifica...
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Adrian, I had Edgarhorns that have evolved since I bought them in 2005. In my current set-up, nothing remains of the original Edgarhorns as conceived by Bruce, other than the speaker system remains front loaded horns. I noticed the same sense of he...
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The Swedish eClassical site offer over 350 24 bit recording and change for download bite:
http://www.eclassical.com/
The site sells many recordings and promise them in 24 bit 2x format but I have remembered thos...
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Adrian, Romy, (Dima), First, I most certainly agree that the textbook operating point for the 2A3 is not optimal and can be improved on, hence my own design from a few years ago. If you are sticking with a 2.5K load, you will simply not ge...
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