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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="Wojtek"]I assembled SUN 2A3 amp for my friend and found it to be quality kit and very easy assemble. Kit was old .I think late 90's so maybe quality deteriorated since then. I have variety of 300b Czech tubes and (Eml 300b , KR 300...
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[quote user="Romy the Cat"]The line-level crossovers work against fixed impedance and therefore the crossover point and the time alignment does not fluctuate along with reactance of the drivers.[/quote]Okay, maybe this is a dumb question, but why wou...
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[quote user="Paul S"]I will say plainly that I still prefer the sound from relaxed SET and old paper drivers; but this preference is obviated/swamped by "real world listening" to big, complex Music, where, IMO, SETs and old radio drivers loose their ...
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[quote user="Romy the Cat"]Interesting. with sealed 280 sq feet and 8 drivers per side along a long wall you very much migh be able to use a singe 6C33C. With proper loading, good trasformer, DSET and these drivers you should be able to get bass that...
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[quote user="anthony"]That is what I
meant, an ammeter for the DHT plate current. I don't see that the plate
current is adjustable anywhere in the circuit, and you don't show the meter in
the circuit diagram so I wondered if you actually used one...
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[quote user="Romy the Cat"]Make the full-range and then you will see where you are.
Still, I feel that for MF channels it is beneficial for do with a good DHT output
stage instead of 6C33C and perhaps it is a good idea to use DHT driver as well.
S...
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Impatience got the better of me, and I called two mates who prompty showed up yesterday afternoon and we hefted the second DSET into place on the horn stack. A couple of hours of connecting and checking things and it was all ready to fire up for my ...
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[quote user="rowuk"]I am always a bit hesitant to buy into "listening descriptions". I am a musician and am confronted every day with Sound bias - attraction to what we are accustomed to, expectations being confirmed. We are creatures of habit and mo...
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[quote user="Romy the Cat"]...There is also no infrastructure among the park of ready to use speakers that would be accommodated to use with DSETs...
The Cat[/quote]Yes, this is what I was trying to get at: what someone talented like Lamm might do ...
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Glad to hear you've found a short cut. Of course you don't want to run the Auras too high, but the IB should allow them go go higher than they might in a box, and it should also improve the transition to the bass. If you decide to go SET it might b...
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[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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[quote user="Romy the Cat"]Anthony, I think you take the right this in a wrong way.
Sure the quality of the coupling caps is important but you truly shall not be worry
about it. Make the amp, get comfortable with it and then change the damn cap.
I...
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[quote user="Romy the Cat"] Spending some time listening carefully my new setup after fine-calibration I recognize some inaccuracies in my previous comments and some mistakes of my original objectives. Here are some observations I would like to m...
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I keep receiving emails from visitors asking me about my views regarding the GM70 vs. 6C33C. I am clearly not in a position to provide any EXPERT opinion because of two reasons. First, I never had a properly built GM70 in my disposal. Second, I ...
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[quote user="floobydust"] The final ratings on later ST-style glass 45s was 10 watts on the plate and 300 volts cathode to plate max. Recommended bias current is between 34-36ma max. Short answer... I prefer no more than 34ma on the 45 cathode. I...
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Robert,
I think you completely misunderstood my comment and my complain about the high price of the Feastrex drivers. Chris Widmer does not understand it as well not to mention that his attempt to explain the high price of Feastrex sound too b...
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[quote user="mark"]with reference to the LL1627a as used in full range application in melq.you mentioned a good choice gapped at 200 ma but i would prefer 300ma but they do not do it.i had k and k check with lundhal and they will do it and at the sam...
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[quote user="Romy the Cat"]
[/quote]OK, now, after mach thinking, consulting and very little actual listening I have finally conceptualized my next move with powering Macondo MF channel. Considering that I have some extra space Melquiades’ ...
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[quote user="de charlus"]Romy, do you have first hand listening experience of these YL drivers? If so, in what sort of installation? [/quote]
Nope, I did hear neither YL drivers nor ALE driver, as least consciousnessly.
[quote user="de cha...
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[quote user="noviygera"]I thought I'd let you know that I ordered four of those Aura subs. Thanks for the advice, if I receive them (I hope so), I will install them into my new listening room. This will take a while because I still have a few mon...
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N-set, I have seen a guy at DIYAudio who built an amp around GU-48. I sent his meals but he did not replay. I have seen a few (very view) people in Russia spoke about GU-48 and some of them built something. I do not know what result is.
It is ...
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[quote user="jessie.dazzle"] There are a few good shops in Paris that have shelves and drawers full of components. And, across the channel …. [/quote]Yes, you might experiment with transformers. Sowers have good reputation but I never used them...
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After finishing my left 6-chennal Melquiades and putting amps and Macondo back as it was intended to be I was expecting that it should be “better” but I did not expect HOW MUCH better it might be. Many aspects of sound are more interesting now,...
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Yesterday I got two emails asking me about Lamm ML3. I replied as I usually do, saying that I that I do not practice in satisfaction in audio-consumer curiosity. Still, it made me to think again about a hypothetic amp around GM-70.I am not a fa...
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After a few years I have again pair of Lamm ML2 in my room and I decide to take advantage and render my experience with this amp into a format of my today’s understanding. I know ML2 quiet we and used it with a number of loads. Over the time I develo...
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[quote user="Romy the Cat"]Last night I was listening Zubin Mehta’s recording of Bruckner’s Symphony No.9. It was his first recoding from 1966 with Vienna. I am not a big fun of this performance all together but it has spectacular first movement...
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[quote user="anthony"]I plan to
build a fullrange Melquiades for a friend and then if that works out the DSET 6
or 7 channel version for myself. [/quote]
That is very good approach in my view. The
problem is in this approach that you have t...
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[quote
user="anthony"] You can see the little 2-way standmounts that I am
currently listening to behind which are the 'wings' onto which I will build the
DSET. [/quote]
This is perfectly fine but
if you willing to experiment with any low pow...
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Hi Josh,I think it is all a matter of perspective. Personally, I would be very surprised if the key elements of the sound of that system that so impressed you is due to the Goto drivers. There are at least three more important things: that big roo...
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Rakesh, I think you’re doing a strategic mistake. You see, there is no manual in those things. As much as you are trying to come up with one it still will be no manual in the end. Reading this site one might think that by venture of my site I have bu...
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