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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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Is he saying other (lesser) phono stages are class A/B? Better, perhaps, to claim "all SET gain path"?
Yes, output impedance is (oddly...) very high; but one supposes it will mate with the newer Lamm line stages. VL also mentions that this unit ...
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I spent today a couple hours trying to resolve a quantity with my analog setup. As you remember in the mid of this thread:
http://www.goodsoundclub.com/TreeItem.aspx?postID=2015#2015
I was proud that I eventually found a good configuration for my M...
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[quote user="rowuk"]How many sources do you currently have? If you are building a phono corrector, make it for 4 volts output. If you have a PC for digital playback, there are good DACs with more than 2V output. That would leave a tuner to pimp - cer...
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[quote user="RonyWeissman"]Hi romy, thanks for info. I am going to stick with the 2-stage plan then as it will not be DSET but full range and my mid-bass is somewhat barbaric at this point. I have found someone to build for me, though we ha...
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[quote user="de charlus"]Alas, I am too young to have that whole "Mirrorphonics nostalgia" coloring my taste in sound reproduction - still, this is not to say that it cannot be investigated. [/quote] Actually the "Mirrorphonics nostalgia" that some p...
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After years of using the Expressive Technologies SU-1 and SU-2 step up transformers I come across to a fact this morning that the Expressive was reviewed by Robert Harley in June, 1992. I read the Expressive’s preamp review but I never seen this one....
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A 192 24 bit capable DAC and a little dedicated Linux PC to play the stuff... Apparently I spit out whatever the recording is recorded in frequency & bit wise and this DAC does whatever to make something approaching analogue.So it's err... bette...
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[quote user="Paul S"]Is he saying other (lesser) phono stages are class A/B? Better, perhaps, to claim "all SET gain path"? [/quote] What does it mean? Why any state of a phonstage would ever be entering anything then class A?[quote user="Paul S"]Lam...
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I was yesterday drawing plans for the Zaratustra II’s chassis and was wondering how I might use it. The Zaratustra II turned out to be a little Monster, efforts-wise and expanses-wise. I hope it will demonstrate some results that will rectify the eff...
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The first goal is the best sound possible, taking every advantage to get it. Since the [crappy] [wall] power source is such a big factor in the sound we get from hi-fi, I could see designing line-level stages for use with batteries as a possible...
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N-set,actually, as you drew it, it became not too complex amp. What I would like to find is some kind tube like 833 only twin triode. Then it would be possible to have one chassis with a single drive and two output power stages. With 100W on fil...
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N-set, have another look at the Chimera "bias", and the sophistocated way the diodes effectively buffer the gain stages, also the way the caps are staged over the tiered ground planes. Also check where the Ls are with respect to the signal. Perhaps...
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[quote user="drdna"] So, my thought was that below 35 hz, there are many ways of thinking about amplification. Some might say SS amplification is helpful due to power demands of horn loaded 18" woofers. To use 6C33 might be a trade off but I do not k...
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guy, i noticed you've mentioned a DHT 10Y linestage.i'm wondering what are your thoughts if there is a relatively easily obtainable (in say lifetime quantities:)) DHT (or triode stripped DHP or DH tetrode a la 307A or 807) capable of d...
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You are in a position now that I have never been in: with plenty of "FR" gain, able to home in on exactly the "wide band" sound you want, with no real need at all for FR.Who could resist trying the old 45 or 50 in this situation? Lose (or loosen up)...
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Jeno wrote:"...It looks like the system John Sheerin developed..."Clearly that IS the system. To see it, once having clicked on the link Jeno providedhttp://www.jhsaudio.com/index.phpyou need to scroll all the way down to the box in the lower right c...
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Romy Hi, Ralph installs every pair of speakers ,I know that it can take a week or more to install and optimise the larger systems. There are plans for amplifcation , he is working closely with Mr Park of Allnic Audio. Mr Park has some...
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Hi Paul,My understanding is that the placette has a unity gain buffer. At full CD ouput levels of 2Vrms into an S2 - it wouldn't quite get that into the S2s 16 ohms - but say it did, you'd be looking at about 109db from a pair...I'm not saying it wou...
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Yes, decoud, the 6e5p-GM70 is an easy amp but 6e5p is a hell of voltage driver and I do not feel that a single 6e5p will be able to drive GM70 into grid currents. If people use dead speakers and need a lot of power than use the ability of direct hea...
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[quote user="ml8"]So sometimes i just wonder why do you need 6C33C at all, with your high-sensitive speakers.[/quote]Actually it would be VERY interesting to expend on it sometimes… Why the Supper Melquiades could not be juts one powerful 2-stafes LF...
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[quote user="Romy the Cat"] There were some educational for myself observations made, in some way saying something about this specific DHT, in some way saying something about Melquiades’ single stage version and the Melquiades’ full-range two-stages ...
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Skushino, from what you say I presume you use two pair of ML2, right? Yes, what you say is correct but if I were you then I would not introduce an addition caps to signal path. In my view the best scenario for high path would be to minimize the coupl...
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Still using 6E6P for driver? Can you just scrub some gain with lower plate values without making such a steep signal path filter? You'll still be forced to tailor your bandwidth, of course.Would it help to split the roll-off curve between the s...
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[quote user="Paul S"] Which caps exactly did you decide to try? I don't recognize the big black jobbies. Are they oilers? Are they 200V? [/quote]
I did not “decide” but went with what I had in my hands. They are the Ansars from the...
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Okay... I also downloaded the original Milq SET amplifier PDF and have looked at it in detail as well as the 6-channel adaptation (DSET) and I understand where you're going with it... or so I think. In my particular situation, I've owned two pair of ...
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Gordon Rankin of Wavelength Audio did a series of one-stage DHTs with a step-up transformer input about ten years ago. I think they were called the Mercury series. By all accounts, they sounded good, but of course had limited gain, not much power and...
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Romy, are you saying you are squeezing up to 60W from the 6C33C, and the mid-bass is still clipping?!? There must be a better way than cranking still higher plate dissipation!If you need more than 60W from the 6C33C for mid-bass now, perhaps it is ...
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Looking at the pictures again, I believe the builder's had the woofer's mounted on both stages of this horn at one time for testing, and thought it was better with 2 piece horns. This has got me so i want to do some tests to see what the advanages ar...
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The fullrange Milq will be built in an oversized chassis with the intention of adding maybe two or more channels down the track and perhaps some line level crossovers. So I will up spec. the mains transformers so they can handle a larger draw and wi...
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Hm, I kind of did not have time to continue this thread, probably I will. My initial idea was to publish my observation about all commercial and none-commercial phonocorrectors I have heard and to describe their problems. Perhaps I will return to it ...
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