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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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I have to say, I never gave it much thought, since, as you say, The Book says 5751s are an OK sub for 12AX7. I did realize that the gain was lower, but I obviously had a brain cramp in not interpolating the lower gain to "redistributed" global ...
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Hi Skushino,1) In your post above regarding certain(?) of Bruce's products, can you please identify *what* crossover parts you received or heard (in context of given system) which you feel are "low quality" ..?2) Which model & ...
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[quote user="Romy the Cat"]That is a good question and I asked myself it numerous times. My current standing is the benefits are purely intellectual as I am not able to observe the applied benefits. [/quote] Recently I got eventually the box (th...
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Hi,[quote user="morricab"]Hmmm....I guess I can't really see that unless you are enjoying a particular coloration you are getting from the TVC.[/quote] Nope. On this you are wrong. Based on direct bypass tests the TVC's I USE (that is the specif...
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This is quite recent conclusion, as I sick and tired to do not say it finally!
A loudspeaker must have a volume control that will adjust an amount of HF that a loudspeaker radiates into listening space. I playback systems that has an excessive 1/3 d...
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Preferring transformers to resistors.
Brian....
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Hi,[quote user="Romy the Cat"]All that I need was some kind of vacuum tube buffer that would have no-gain of a very low gain and that would be sonically completely transparent.[/quote]Completely transparent is very hard to do. Try the following:6AS7 ...
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Roman,> Any IC-base RIAA corrector should cost $30, with no expiations.Now now.... My "Analogue Addicts Phono Stage" is Op-Amp based and requires at current OEM bugetary pricing in 1000pc lots of $12.25 each. Add Tinfoil & Polystyrene Capacito...
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Wow, you sure do pack it in there! I like the way you silicone the caps and other things into place. Maybe you can do the same for the bleeder resistors and wiring bundles? That is, once you are sure it is operational. Wires c...
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This thread is split from the following thread:
http://www.goodsoundclub.com/LatestPosts.aspx?ThreadID=2665
Jessie, I hope you do not mind that I pulled it to the forum explicitly dedicated to the Melquiades Support.
5-channels Melquiades is ...
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Hi Romy,I wish I had seen your post on Placette before buying mine. I didn't realize that there is no balance control on the unit. I know in theory this should not be a problem, but I miss this feature for several reasons. Can't hav...
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Anthony, congratulations on getting your project to this point! I mention without referring back to your schematics, I think you will be glad to have test points, along with variable resistors (trim pots) to re-set operating points, as needed, if on...
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[quote user="Paul S"]Anthony, congratulations on getting your project to this point! I mention without referring back to your schematics, I think you will be glad to have test points, along with variable resistors (trim pots) to re-set operating poi...
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OK, I read the blurb. Now that the cat's out of the bag, and we know it's just a resistor ladder, why not use... a resistor ladder? Gotta hand it to those "MIT" guys, also I think there's room yet for upgrades. How about a deluxe, super-limited, l...
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Not sure where you live, but near large cities one can rent "pro" sound equipment. Once you have your end game figured out in terms of architecture you can just plug in the Board, find and note your X/O configurations and values, then make up and in...
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We know that speaker surrounds are subject to memory effects. Is not playing the speaker (keeping the voice coils warm and surrounds elastic) not the big part of having to warm up the system?With power supplies containing modern diodes, caps and resi...
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I think industrial grade Arcotronics KP172 (from RS components ?), film and foil. I use them also as output coupling caps (2x0,47u)
Other changes I've made, not commented in my posts here:
...
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Do you use input 50KOhm Z-foil resistor between input tube greed and GND?Does Z-foil sound colder compared to Dale RN60D?U used Dale before. Now I use Shinkoh tantalum resistor. It has similar to Dale tonal balance but sounds smoother.I heard a lot o...
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Likely, whatever you do with subs will include a big coil, and caps and resistors, too, if to make a steep filter to "match" the Dannoy LF "roll off". The sub(s) might be tailored in terms of correct SPL to blend with the Dannoy at the X/O point, and...
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Romy,My DSET amps are still open (no top plate) so are fully ventilated, but I have left vents in the top plate around all of the valves and installed two computer fans (running very low speed) that push air from the bottom and out the vents on the t...
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Hi Thorsten,
"I agree. I
have to note that even in active preamp I/We (the we are friends from
the London Live DIY Circle) tend to prefer TVC's over resistors."
Hmmm....I guess I can't really see that unless you are enjoying a
particular col...
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[quote user="RonyWeissman"] I didn't realize that there is no balance control on the unit. I know in theory this should not be a problem, but I miss this feature for several reasons. Can't have everything when you buy on the used market t...
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[quote user="hagtech"] Maybe you can do the same for the bleeder resistors and wiring bundles? That is, once you are sure it is operational. Wires can be like guitar strings. [/quote]
Actually I do some sort of things. What I am done (I’...
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Jessie, I have two comments/questions.
Are you sure that using the USB you do not use the sound card? I am a software guy not a hardware guy and with my limited understanding I presume that an application that reads a file must talk to so kind of dr...
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[quote user="Paul S"]The usual "trick" to "stop inductance" of wire wound resistors is the "old double-wound trick", like those offered by Mills:
http://www.soniccraft.com/index.php/resistors-mills-c-29_53
(and I think it is much the same for capac...
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[quote user="Romy the Cat"]Anthony,
First, your measurements again the “appropriate load resistor” has very little practical meaning. The
drivers is a dynamic system that has impedance not resistance and the impedance
varies with frequency. So...
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It's quite a marvel from what I can tell now. The overall sound is somewhat on the darker side but the preamp is still breaking in (although I gave it 30h benchtop burn in with the frybaby track). I also suppose it reveals the Dannoy and the room int...
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OK, I am keeping my new The Loudspeaker(s), and I will be selling my large "Diamond Edition BassZilla" OB speakers that feature OB high-passed Lowther DX-4s running wide range (NOT full range!) over 15" Audax PR380-M2 woofers in integrated BR boxes u...
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Yes, of cause I have experimented with the resistors quality. The way how the resistor
is used in the feedback loop in my view make is less relevant. The feedback resistor
is applied to high impedance source that make less signal to flow other the ...
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Unless they are quite unusual I doubt your amplifier's output stage uses regulated supplies.My point was that PUREPOWER/Inverters, etc. deliver a far more constant AC voltage than the line and that this could be a reason people find them to be usefu...
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