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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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Here is the signal box:The design is double mono past the VR's. Including the bias.
The coupling caps are Arcotronics KP172 from RS-Online, quite prised by Thorsten Loesch. THey are sitting on
sorbothane pads. The air caps are: 1) 365pF some +/- s...
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As with all our ventures in life, the measure of our success is in hindsight what would have I have done differently. Although it is fairly early days for me yet, at the moment, if I went back to the drawing board and had to start again, I would ...
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I separated my two of my PP2000 in my rack with 3 feet space and run everything from one PP2000 and both Milq power amps from another PP2000. I also routed the incoming power cords that that are far from each other and far from outcoming power co...
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Hi Klaus,
Spec sheet on the bass driver you plan to use here: http://www.greatplainsaudio.com/downloads/515_G.pdf Just to be clear, mid bass to me means from 60Hz - 240Hz.
Throat diameter : 9.9 inches ?I'm just a beginner, ...
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Peter,It is obviously that in your installation Lavry and FM are much more isolated then in mine. In fact if your power amp breaks both ground and central wire then when you switch you playback to “Leg B” then digital in not in the picture at all. Ev...
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I did not follow up on the issues relating to improved performance on small smps when used on filament and DAC power supplies.Here goes:The first is that the source impedance of this type of supply is very small e.g. less than one ohm. The sp...
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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]
This thread is a derivation of the “5 Channel Version of Melquiades” thread:
http://www.GoodSoundClub.com/TreeItem.aspx?PostID=406...
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Jeff Day of Positive Feedback published his review about new Tannoy Kingdom Royal, reportedly a flagmen model.
http://www.positive-feedback.com/Issue64/tannoy_royal.htm
In my view it is not a review but rather infomercial but I g...
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Stefano Bertoncello's posted at his blog a comment about Tony’s playback. I do not know him; I guess he is an Italian fellow or somewhere near Italy.
http://twogoodears.blogspot.com/2009/12/goto-again-visiting-my-friend-toni-and.html
...
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[quote user="Romy the Cat"]Over the course of the last year I have been gently harassing my transformers-savvy surrounding trying to evangelize them into amorphous core. They stubbornly and perhaps stupidly resist. Some of them not…
During th...
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[quote user="KOTriode"]The preamp has the classic tube regulated power supply using 5R4, 6AS7, 6SJ7. It is transformer coupled output and has no capacitor in the signal chain, the gain is about 8db, so it is not a buffer. For convenience, it does...
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[quote user="Ronnie"] The room modes I thought I had to battle suddenly disappeared the other day when I decided to try stuffing the boxes a bit. Suddenly everything fell into place :-)I guess I can do better than using little cushions though... Do y...
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[quote user="rafaroxlm"]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 mention...
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It is interesting… complaining about the fact that the “promising to be claver” Cessaro Horn using the TAD drivers (still it is not completely known as they said that that MD driver cost €4000) I asked myself: what else they might use? Really, ...
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[quote user="Markus"]I usually manage to read you quite well, but this
Romy the Cat wrote:
direct or indirect phase constructors.
has me baffled. What do you mean, please?[/quote] When I wrote it I meant different ...
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[quote user="Romy the Cat"]I got my last PP2000, after the repair was done. My second new unit works since I got it repaired; it runs the whole playback, sounding very well and my attempts to add a second PP2000 led, as I described to worsening o...
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Romy wrote (in blue) :
"... Are you saying that you are able to play from your PC music that you got by ripping CD and you have better sound from PC? ..."
Yes, and because of this it would be accurate to say that my system is music-...
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[quote
user="JOHNR"]The common mode noise will lie between 5 meg and 8meg or
8 meg to 12 meg depending upon whether it is forward or backward mode
working.
It does not have much to do with the
30Kilohertz. [/quote]
The normal common mode no...
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Doug, it is a lot of tuner went over your hand. I wonder what drove you to do so. Was any specific quality of sound that you were looking and the tuner that you own did not serve you?
[quote user="doug s."]romy, there is a tuna freak in los a...
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[quote user="Romy the Cat"]A few years ago I use 3 and something
Henrys air-core coil made up with… 8ga wire. It was a barrel of cupper
that acted like a sponge for any airborne dirt. I have in one side of
my room (what right speaker lives) someth...
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[quote user="anthony"] 25 turn
pot in the filament supply. For the life of me I can't source a 25 turn
pot. The 10 turn Bourns 3590 is the closest I can find. Do I need
to keep looking for a more sensitive pot or do you think 10 turn is managea...
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[quote user="Romy the Cat"] anthony wrote: The fuse. You show a
fuse on this schematic (that traces back to the B+ supply) but omit it on the 6-Channel
schematic that I linked to earlier in the thread. Do you use this fuse or
have you removed i...
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