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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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It is not about the LCR phono as a concept – many companies manufacture the RIAA LCR constant impedance networks: Lundahl, Tango, S&B, Da Vinci, A-D, your Allnic looks like dose them as well. The LCR filter is not complex and any manufacturing ho...
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Romy,I might be confused with the passive and active, but from my understanding you prefer your active 834PT to the passive RC network and passive LCR networks. You also prefer the passive LCR to the passive RC. So 834PT>LCR>RC.If I got it righ...
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[quote user="perrew"]Romy,
I might be confused with the passive and active, but from my understanding you prefer your active 834PT to the passive RC network and passive LCR networks. You also prefer the passive LCR to the passive RC. So 834PT&...
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BTW, Thorsten had an LCR corrector around 7788-7788T. I made in past and it was slightly tacky but still quite good… ...
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Hmmm - the whole LCR thing, I don't like the idea. I'll admit to having no experience of it, but in engineering terms, it just gives you a constant impedance filter. The EQ is still done by caps essentially, far as I can tell. I see the wh...
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Hi,
Only noticed this now....
> Hmmm - the whole LCR thing, I don't like the idea.
Then don't do it.
> I'll admit to having no experience of it, but in engineering terms, it just gives you a constant
> impedance filter.
Correct.
...
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Keith Cooper mentioned today the AllnicAudio’s 1500 phonostage in the Cessaro thread…
http://www.allnicaudio.com/E/e_pdt_ampli_H-1500%20II%20SE.html
I know the AllnicAudio, I use their tube sockets, and they are very good. The AllnicAudio use...
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a Hong Kong-based company DIY Hifi Supply is selling RIAA EQ modules, the first modulesthat I have seen at 10kOm. It is something that Thorsten did not do commercially… but if the silks sound good then it might be VERY interesting. Is anyone kno...
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I heard the 'cole' LCR phono by the hifi supply recently at a friends house and it sounded ok, the Allnic 1500 that I am using at the moment is the best phono I have heard, and the price is extremely reasonable for the design, valve regula...
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Hello Coops,
Can you explain more why the Allnic 1500 is the best phono you have heard, and why was it superior to the Cole LCR ?
What is the superiority of LCR-RIAA phonostages , besides having excellent RIAA correction curves ? What about the...
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Cello HI I have only heard the Cole for a short time, so it wouldn't be fair to compare, also I really can't say to what extent the LCR circuit contributes to the sound of the 1500, the Allnic is very dynamic, has high resolution and makes inst...
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David beetles is the US distributor, I am sure he would send you one for evaluation, 'hammertone audio' get him to send you the head amp too, that is also worth a listen.Keith....
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Perrew,
I do not know if you use sarcasm in there but Lamm LP2 is not my bellowed phonostage. In fact I am one of the very few people whop do not like it at all. How much in what I do not like in Lamm LP2’s MM section come from the WE417 tubes...
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[quote user="Romy the Cat"]
Perrew,I do not know if you use sarcasm in there but Lamm LP2 is not my bellowed phonostage. In fact I am one of the very few people whop do not like it at all. How much in what I do not like in Lamm LP2’s MM section com...
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Perrew,
I would take RL filtration ageist C filtration any time and under any circumstance. If you look at the circuit of 600R LCR classic Tango filter
http://www.vinylsavor.de/lcreq.gif
…then you will see that the serial capacitance al...
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Yes, Roman: the two stages design is having the gain you correctly pointed-out.Sure would have paid - and it was discussed, as well, during pre-building weeks - to go for an higher gain design, BUT I feel more confortable in going ahead to play with ...
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Romy,what I meant was why choose LCR active over a RC RIAA passive EQ?Is there a logical explanation for this or does it just sound better in your experience?/P...
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Paul,The gain of my phono stage has the RIAA loss factored in. Without the RIAA loss counted, the gain would be about 66-68 dB. [quote user="Paul S"]I have never used the 417 or 437, but I have heard plenty of whining from folks who do. They often p...
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Hello,May I have your comment for my diy LCR phono sound. Thanks.http://www.youtube.com/watch?v=gwO6Uc-oOqg Bee Gees Greatest (3 songs)http://www.youtube.com/watch?v=ZYjRayM78FM We Are The Worldhttp://www.youtube.com/watch?v=W9Jvvockz38 The Beatl...
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What I assumed initially is written on the Nordost page.
"The QKOIL QK1 is a load resonating coil (LRC) which generates a passive electronic field that has a beneficial sonic effect on the AC current."
... as we should do in loudspeaker crossover...
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[quote user="Romy the Cat"]
Perrew,I do not know if you use sarcasm in there but Lamm LP2 is not my bellowed phonostage. In fact I am one of the very few people whop do not like it at all. How much in what I do not like in Lamm LP2’s MM section com...
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Keith Cooper mentioned today the AllnicAudio’s 1500 phonostage in the Cessaro thread…
http://www.allnicaudio.com/E/e_pdt_ampli_H-1500%20II%20SE.html
I know the AllnicAudio, I use their tube sockets, and they are very good. The AllnicAudio use...
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Paul, I do not think that “before or after RIAA losses” requirement has any merit as no matter what kind type RIAA filter is being used it always will lose around 20dB. I do not think also that there is a “safest path” or “reasonably affordable”....
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[quote user="Romy the Cat"]
I never had a lot of trouble with high transconductance tubes. I use the EC8020 a lot. Stefano, you might look into this EC8020. I never seen it but just looked into the datasheet and it looks very interesting tube and i...
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Perrew,
I do not know if you use sarcasm in there but Lamm LP2 is not my bellowed phonostage. In fact I am one of the very few people whop do not like it at all. How much in what I do not like in Lamm LP2’s MM section come from the WE417 tubes...
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Paul,The gain of my phono stage has the RIAA loss factored in. Without the RIAA loss counted, the gain would be about 66-68 dB. [quote user="Paul S"]I have never used the 417 or 437, but I have heard plenty of whining from folks who do. They often p...
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[quote user="perrew"]Romy,one thing that interest me is you use an active RIAA and the Allnic is passive circuit if I understood things?[/quote]
Perrew,
Among the none-commercial, home-made correctors here is my evolution of phonostages.
...
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Romy,you seem to ascribe very much of your LP playbacks success to the Expressive Tech SU-2 superiority, maybe 50% from my own guess,so it must be a very nice step-up, you are one of the few that has any experience with it. There is one forum member ...
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Perrew,
I would take RL filtration ageist C filtration any time and under any circumstance. If you look at the circuit of 600R LCR classic Tango filter
http://www.vinylsavor.de/lcreq.gif
…then you will see that the serial capacitance al...
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BTW, Thorsten had an LCR corrector around 7788-7788T. I made in past and it was slightly tacky but still quite good… ...
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