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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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Hi to everyoneyears of reading but never subscribe and post to forumI see that Zarathustra circuit and i m very interested on the first SRPP stageCan someone point out how to implement Melq Gas Bias on that SRPP circuit?I would like to implement a li...
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[quote user="Saturntube"]Similar experience but I get to keep my "old" room. I have just changed my 5 way horn loaded down to 140 hz speakers to a friends room twice as big as mine, with an open back area into the house as your new room has and o...
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Hi Romy, I wonder whether you could advance on the octal voltage regulator testing on the Milq, and what your conclusions were. As I have already seen Milq on your new home still with the 0A2s I can assume you weren't much satisfied but as I am goi...
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[quote user="Romy the Cat"]
It look like the project progress well. I have a little concern
about heat the will be building up in your PS enclosure. I do not know what
kind ventilation hole you have in there but be advised that it will be quite
...
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[quote user="anthony"]I also have another SS pre just arrived with has been measurebated into existence with measured spec's difficult to confirm with the best measuring equipment getting about.[/quote]I've been listening to the new buffer with imd/t...
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Yes, each piece of gear would seem to require its own unit. But they probably deliver enough juice for a tubed preamp or the like.clark
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I will be upgrading my system after CES by moving the equipment back to my listening seat location and running a long XLR interconnect to the front amplifiers and powered subs. The question is, I also need 1 to 2 more XLR connectors for the powered s...
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Oh well sorry for the false lead, you are probably right that there was just something falty in my 300B but at least I found an amp that I really like.Since i have two outputs on my preamp(placette) maybe i'll look around for a cheap flea-power tube ...
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My room, is 16 to 17 feet wide, 27 to 28 feet long by 12 to 14 feet high with all walls splayed, with a combination of absorption and diffusion on the walls. All electronics are fed electricity by three pure power units originally recommended by Rom...
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It is not the amp but the Yamaha preamp that gives the problem. A good kick in my butt to finish the 801 pre a la Anthony. Apologies for spamming. ...
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First: Anyone with a pair of 8 Ohm Fane Studio 8Ms for sale may contact me (contact info available by clicking on my user name in the blue column on the left of the page).In answer to Romy's comments: I agree that there is a deterioration in sound qu...
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There
are some commercial preamps that have sub 10R output: Karana, Quicksilver,
Rogueaudio and many others. Some of them will ship the units to you to try. It
might be good to experiment with them. To have you local guy who will work with
you is...
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Thanks Paul! No, no, it works with Yamaha B2 and my Dannoys. I continue researching this intriguing project. For the Staxes I do not need a preamp. 5V is a plenty enough for B2 which has 1Vmax sensitivity....
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Thanks Romy. Given the power of 801A preamp, this correction is not necessary. I simply increase the volume compared to my clone of 834 RIAA or other sources and the autoformer at the output is still in the attenuation mode, providing increased outpu...
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You can eliminate the driver stage and drive a DHT in just one stage, because your source or preamp is sand based and has plenty of current drive.Page 10 of the PDf showed an example of driving a 300B DHT to full output with just +/- 4ma.http://www.t...
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Well, the added benefits of cross-source validation is that some of the sources are stable but others are less stable and might vary in its basic quality with time. For instance digital is very stable and since you once set it up properly then it rem...
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Very interesting. Mine are 6 feet apart with the left and right controlling the amps on top of their own cabinets with source equipment and amps at least 3 feet away. The middle one supplying the source components sits on top of my main stand directl...
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I've been following this sometimes acrimonious controversy from afar -- Florida, in fact. But I've not read everything. Now I have a suggestion re: solar. I have an ad for discount solar panels from http://www.harborfreight.com/ where they offer a 45...
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Thanks for the comments. I believe that a preamp giving the same kind of benefits of Melquiades and being able to deliver them with any power amp and speakers would be something truly great. I know it won't be the same than the amps, but probably som...
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To follow up on Romy's latest broadcast on his visit to my house.My left and right speakers consist of Jl Audio 113 revision 2 subs to 70 Hz., Edgar 50 Hz. 6 foot Straight horns with two 12 inch electravoice drivers each to 500 Hz, Edgar round mid ho...
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Wow:Looks like a trip to Boston coming on for the big guy once the snow is gone.Very interesting doings there Romy!Your cat is looking well, and the amps are eye candy. I can only assume the sound equals the appearance.Time will tell, hopefully I'll ...
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As you may know the 7788 is a high transconductance pentode which should in theory be able to give higher audio resolution than say 12AX7, 6072 tubes in tube mic pre designs. On search here the 7788 was mentioned as being used as the ...
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I just posted yeastoday the post above and have got already a few emails asking about the “new” ways that I am planning to use S2. OK, let me to explain what is going on.
The default Vitavox S2 driver comes with thier default aluminum diaphragm with...
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Ah, those figures seem more reasonable - 30pF seemed a bit low. Well, I'm not sure what you should be on the lookout for - as you say, it's a completely different animal to having a 3uF in line with the S2. What I would suggest, and this isn't ...
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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 - certainly less risky th...
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It's 60Hz hum, caused by both mechanical and magnetic field coupling to the output transformer. I used a toroidal transformer and thought it would not caused this problem but it did. When using an external power supply for both ...
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...on the Placette. Biggest problem at the moment is that it does not have any gain and I definitely need some gain.What I have done is breadboarded a nice diy SS pre with 2x or 3x gain, dc coupled, current mirror, 100mA. It was started a couple of...
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Post #88:
Great!
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by
G
on
2018-04-13
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Thanks Romy.
Ok. I have installed a 30k resistor on the input and it reduced the drifting when the preamp is not connected. If my preamp is connected then I do not get any drifting at all and input voltage stays at 0v when I switch the...
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I probably never get tired to mention the stupidity of the folks
who write for Audio publications. This time my hero is Marshall Nack of positive-feedback.
The hero just published a review about the Lamm updated preamp L2:
http://positive-feedba...
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I got a few from some other company years ago but can't remember who they were. I think they were a German company. Again try them first in the speakers and any higher wattage amp. I have used them for years without any problem of safety nor have I h...
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