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KT88

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  1. At best, "warm" in my understanding means.....no, let's not say "warm" because "warm" can also mean it doesn't hurt your ear but it's like lukewarm coffee. Actually, it can mean full body without ugly peaks but at the same time differentiated, dynamic, with timing (and therefore emotional tension), colorful and powerful. At least that's what I would expect. At the same time, I accept a certain "fingerprint" that tubes generally have (but which can be kept in check by a good circuit). Don't transistors also have their fingerprint? No one should say that transistors are "objective" and tubes are "discoloring" as a general statement. Especially since there are so many different types of transistors and the many circuits. If I liked a transistor I would take it too, it's not a matter of dogged belief in one camp. It always depends on the environment e.g. of the circuit. If everything is taken into account then you can actually say if you like one tube better than another. And fortunately we are all a bit different with various tastes. I would also always give each tube a week before it has settled in and before I have adapted. "Warm" is a hint of a direction but not a guarantee of unconditional liking.
  2. Yes the LS3/5a is really inefficient and as I said only good in smaller or small rooms. But they sound even really good with not so high powered old tube gear like Quad II amps. Over all I also prefer my old Lascalas.
  3. The behavior in the bass of the Lascala reminds me of the behavior of my LS3/5a (regardless of manufacturer). I love both speakers. Both have no low bass but both have this hump at 120 or 130 Hz. Some don't like it but to my ears it creates the warmth of sound even in the midrange that makes both speakers so irresistible. Here who likes it people talk about their LS 3/5a. There are really parallels of the sound. https://pinkfishmedia.net/forum/threads/getting-to-know-ls3-5as.249810/ The big difference is of course that a LS 3/5a sounds perfect in small rooms. The Lascala likes larger rooms. It is also to differentiate whether I hear the "hump" in the bass at 120Hz or whether unsightly room modes overlay this additionally.
  4. In the photo, the Lascalas are angled in similarly to how my Lascalas are angled in my home. I have made the experience that the Lascala reacts very sensitively to a few degrees of angulation. Too little and it has no spatiality. But too much and it loses stage width. The best case is when I have a wide stage, 3 dimensionality and a defined center. I achieve that with a similar angle as in the photo...so not too much...maybe a very tiny bit more, depending on the listening distance. Just looking at the front of my two Lascalas it's too much angulation for my taste, I see enough of the inside walls. It's worth finetuning within a smaller angle range. It may be that in the photo both Lascalas are angled evenly. The photo was not taken exactly from the center and camera lenses of an iPhone, for example, can produce such illusions. But I agree, the secret of a three-dimensional sound experience is an exactly equal angulation of both LS.
  5. To be honest I don't know if it's a real desire that your beautiful vintage Lascalas should sound like a modern AL5 Lascala. There are so many recommendations and advice on what to change and improve. Of course, modern AL5s sound also very good out loud. Your vintage Lascalas sound especially good soft to medium loud. For example, if you like your Alnico K77s then keep them. I'm definitely keeping mine. All modern drivers and horns may be an improvement or modernisation. But my now 62 year old ears like Alnico. I have temporarily installed K77M in my 1977 LS because the original Alnico K77 are being restored, magnetised and new diaphragms. The K77M ceramic magnets sound much less emotional to me, and psychoacoustically this impression extends to the whole sound, not just the highs. At the very least, I would keep all the parts and compare them from time to time with the so-called improvements.
  6. Very good work and visible quality, Georg. I read this book (link below) 20 years ago. It has controversial ideas but it was very entertaining to read. Only meant as a supplement for those interested, not as a counter-proposal. The cable cookbook by Allen Wright. http://www.enjoythemusic.com/cablecookbook.htm
  7. In my view the K402 can benefit from every bit of energy down low. But the TAD is also fine at normal living room SPL.
  8. It is also always a game of matching voltages. I love the sound of my C22CE pre. But modern sources or players often have a relatively higher output voltage than before. But below 9:00 the volume control sounds thin and slightly distorted. The input tube obviously doesn't like such a strong signal in the circuit either. From 10:00 o'clock the C22CE begins to sing musically. For this I turn my Bluesound Node as a variable source of the C22 a little quieter. Sometimes it is very subtle matching requirements to achieve the most beautiful sound. Even if I am aware that I may not fully exploit the digital resolution of the Node. But the overall result is very pleasant in this arrangement.
  9. They went from Node 2 to Node 2i…and the 2021 model is named just Node without a number.
  10. The 2021 node has a different chip. I use its internal DAC and go via chinch into my C22CE pre. The new Node is a very significant increase over the Node 2i when using the internal chip. I don't know if there is any difference between 2021 Node and Node 2i when using an external converter. https://www.whathifi.com/reviews/bluesound-node-2021
  11. These are fantastic looking Lascalas. I wonder with what (nonsense) these great speakers were replaced in the church. There often seem to decide about decluttering people who have no idea. Imagine you had been there a week later and the Lascalas would now be in the bulky waste.
  12. The 2021 node has a different chip. I use its internal DAC and go via chinch into my C22CE pre. The new Node is a very significant increase over the Node 2i when using the internal chip. I don't know if there is any difference between 2021 Node and Node 2i when using an external converter. https://www.whathifi.com/reviews/bluesound-node-2021
  13. After two and a half satisfying years with a Bluesound Node 2i, I have a new Node (without amp) since June. I am totally thrilled, it is worth every penny. A real jump from the 2i and also with fantastic tunein sound. MQA Tidal is now clearly audible and more emotional and spatial than with the 2i, the difference to CD quality is now clear. You will have a lot of fun with your 2021 Node.
  14. It's good to hear your refreshing and decisive view on caps. I would like to contribute to your position from my point of view. The old caps of the original AA xover were motor run caps. I learned that too. But what is important about the xover is not that they were motor run caps, but that PWK found them to sound good and therefore used them. Perhaps the purchase price also played a role. It may also have been that PWK was not so happy with other capacitors in its day in the 50s and 60s. Now it was the case that these motor run caps were polyester caps. The fact that they are dipped in oil for cooling plays a role in their use as MRCs, but not in the xover (except perhaps that the liquid coolant may also dampen vibrations well). I can attest that polyester caps sound much more balanced in my Lascala than polypropylene caps. It is not imagination. The polyester caps sound much like my original motor run caps used to, which have been out for 16 years due to be leaking. There do seem to be differences, primarily related to the different ESR. Another hint, who uses motor run caps today as a replacement, e.g. from Genteq, must know that these caps look exactly like the old Aerovox in the tin cans, but they are polypropylene caps. Maybe someone knows if there were already dry polyester caps around 1950 or 1960...or what alternatives PWK would have had e.g. paper in oil or other caps. I don't religiously follow a precept but I personally felt when listening why I use what I use in caps. I do not prescribe anyone to do the same but I invite everyone to experience the comparison for themselves in the comparative test, it costs fortunately very little
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