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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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I do not care about all of Nilsson Pass amps; I feel that all the same and all are very sub-qualified. A few years back Mr. Pass went for his low-powered SS single-ended amps and they might be more interesting. I do not have them and I never seen a...
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Here's an obliquely-related related anecdote: It has been 2 years since I put a pair of "quasi-boutique" 6C33Cs in the boost position in my ML2s. I know, I "should" change them to regulation, just to be safe; but now I have become morbidly interest...
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Hi,[quote user="morricab"]Hmmm....I guess I can't really see that unless you are enjoying a particular coloration you are getting from the TVC.[/quote] Nope. On this you are wrong. Based on direct bypass tests the TVC's I USE (that is the specif...
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First, Adrian, Thanks for your feedback on the newer designed 2A3 tubes... very interesting. I've looked at all 3 of these brands before but have not as of yet purchased any (I have a large collection of 45 and 2A3 of various NOS US brands...
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Joe, I think I would battle it.
I would not be so certain. Mostly the SUV sized bass horns are notoriously bad sounding despite of the assurances of the system owners overwhelmed with so common in audio endowment effect. Not to mention that the Stag...
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[quote user="Romy the Cat"]
Output transformer. Here is
what the thing become complicated. Of you drive ultra-low impedance with step
down transformer then your secondary turns will decrease. They primary will
have whatever they have for all cas...
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Hi Romy and all,
first of all, my name is Henry, with a "Y". due to an Irish grand-grand-grand father called "O'Henry". the O' was deleted when my grand-grand father was born, due to a silly servant of registry office. :-) all my horns uses the calc...
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[quote user="Romy the Cat"] I do not know what fantasies Tom Martin and Robert Harley had but it looks to me that Magico Ultimate II is very much the same as Magico Ultimate I, the prefix II mean a new round of marketing BS… Here are the picture...
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Hi,[quote user="morricab"]As to the best transformers souding more transparent than the best resistors, I'll believe it when I (don't?) hear it. You claim to have heard this but I most certainly haven't. [/quote] Well, the claim is no...
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Hello all,Some time ago, I bought a pair of very early production ML2s for an ongoing horn project (see "Note at end").Rather than just let the ML2s sit and wait for the horns to get done, I of course tried them out with my "normal" 89db/watt@1m spea...
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[quote user="floobydust"] The main component that limits low-frequency response in any SET is the OPT. For these initial designs, I used the smallest Hashimoto SE OPTs... their H-203S for the 2A3 and their H-507S for the 45 which are rated at 7...
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Hello Romy,
My apologies for not getting back to you sooner… Moving to the new place has turned out to be a huge task, but worth it, as this new home actually has a place to work, not to mention a much better selection of recorded music at the local...
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I was keep listening my Dutch-made SA8535 tweeter. There is a lot of deferent with this tweeter and I think it is a good time to pass my early observations about the tweeter Sound.
This driver is not a ribbon tweeter as the Stage Acompany frau...
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[quote user="msaudio"]Your Typical Acoustical Suspension-type Loudspeaker enclosure witch has less then 90 db at 1 watt does not belong with a horn system that starts at 110db at 1 watt, even when you ad more then 1 driver, it is still way to far...
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[quote user="decoud"]
Romy the Cat wrote:
I have to admit thigh that I have had in my room the First Watt amp….Do you mean the F3? How did it sound with the Macondo?[/quote] My writing dyslexia plays bad games with me. I ...
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Hi everyone,First, thank you for all your advices. The university take many most of my time, so listen to speaker had been difficult.So......I come back with many things too tell, i have made some listening sessions to find a good speaker to work wit...
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[quote user="miab"]I'm curious as to why the preference to paper cones as opposed to carbon/poly/kevlar/ceramic/.... With weight and stiffness advantages of other materials, would advancing technology not be well implemented towards drivers? [/quote]...
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[quote user="Paul S"] Fremer has just pitched these in the new Stereophile, and the online buzz is building . Isn't D'Agostino the Krell guy? If these are different than the Krell amps, then how and why ? Disclosure: I quickly dismissed the Krell...
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[quote user="hagtech"] Stepping back a moment, I'm guessing this tube is designed for radar operation. Maybe in an aircraft. The spec sheet definately talks only about pulse mode of operation. Maybe it was a driver for a pulse radar...
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I have heard several Tannoy speakers in the past, but have never heard the quality of sound Romy has obtained with his brain child. I don't know whether it is the speakers alone or his setup which has allowed his system to enthrall so much more than ...
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Hm, that is a good question. I honestly do not remember. The 6ch Super Melquiades has 7A fuse but I have no memory about the fuse I used in single channels amp. During the assembly I used the lamp fuse – that is given but in the final version I just ...
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The Valve Technology Milestone Timeline Courtesy to the National Valve Museum
1640
The first vacuum. Otto von Guericke's air pump
1643
The barometer first demonstrated by Evangelista Torricelli
1654
Magdeberg Hemispheres a d...
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Yeah, and I once thought Krell was the way to go, a boy's (or a man's) dream when I saw pictures of the KSA 100 poweramp for the first time. I must admit that in 1991 I heard a demo with Krell KAS poweramps, Wilson WATT/Puppy's + Pow Wow subwoofer an...
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[quote user="Serge"]Romy consider that the engineers who did your Altecs in their worst nightmare could not imagine their lovely cinema speakers would be used with solid state amplifier which badly distorts on LOW power levels. It has 100 crappy watt...
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[quote user="hagtech"] I run the driver tube at 170V @20mA. I don't think you need to run this tube at high current. It is very linear with wide signal swings at this bias. [/quote]
Good operation points for use it as a driver. You might...
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truth to be told, i'm so far from building a horn for S3 that the plans may change. the drivers actually haven't left a previous owner yet which makes me a bit nervous. but i understand you presume a short opening horn like expo would allow a more me...
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Luckily, im just bored in the office, so I can reply right away ;-)
Well. That guy looks like doing nice quality. Id go there.
Knowing your profile a bit, Im not surprised you don't want a digital delay on your mains.
For me theres no non-digi...
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Romy,I have several power amplifiers each of which sounds different. I might enjoy some aspects of what one of them does but feel that it could do other things better. Another of the amplifiers might have different strengths and weaknesses. None of t...
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[quote user="coops"]Mainly because of my young daughter I have been listening to mostly solid state amps, I have enjoyed 'Digital DoMain's' B1-a VFET, and am now listening to a German 'Audioprojeckte' CA10, 10 watt class A design, ( I will post a...
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Well, when we are talking about Cogent we need clearly differentiate two things: the Cogent’s drivers and the Cogent’s installation. The problem is that since Cogent’s drivers are something so called “compression drivers” then their performance might...
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