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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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To be honest, I think that ANY stereo system gets in the way of the music - regardless of the amount of channels.Let us jump back to the monaural records/radio years. At that time, we had one choice and were very satisfied in being able to play back ...
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Looks to me like the horizontal and vertical steps in the waveform are due to the diode switching. One diode turns off while the other turns on. Storage time on the diodes is normally short. But it depends on the test setup! T...
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What about a 3 position switch?1. Direct connection between the anode and the B+2. Connection trough a suitable resistor for a gentle turn on/off.3. Completely disconnected.Just remember to turn on and off the heaters at the right times in the on-off...
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This year is the first winter that I live with this new listening room. Last winter the playback was up and I still was playing with minor arrangements of my ULF channels, cable and a few other things. For many months I do pretty much nothing with my...
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Are you sure the remodeling didn't do it? I assume you mean you moved it back into the remodeled room.One time some years ago I was in a recording studio and wanted to use my Millenia mic preamp into the ADC. So I asked them to turn off the mixing bo...
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[quote user="Ciampa"]Good anoon everyone,I am currently running an RY-5500/RX-5000 trough aramid thread. Was wondering wht wd be the ideal thread tension for the system. Wd it be better being tight or loose ? Both cases I get constant platter speed, ...
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Since I installed the 3 of PP2000 units they do work wonderfully. Since my days 2-3 years back when a turn of power switch on PP1500 required to dress in bomb-squad outfit and when any switching might be the very last switching, I kind of have th...
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CORRECT AC POLARITY
June 17, 2009 — puristaudio System set-up
"I wanted to talk about a tweak that costs little or nothing to do, while having the potential of paying big dividends in terms of sonic improvement. It involves a ...
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My backup strategy is kind simple. I have another box filled with hard disk to where I copy data using Beyond Compare. I have also some automation scripts that synchronize some drives between my DAW, my working development machines with the drive...
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PFC is a function of adding Xc using capacitors to bring the current in the circuit downwards.What you have is an inductive load giving a lagging PF eg a simple motor gives a PF of 0.85.Thus the inductive element can be manipulated to bring it from l...
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I have a 10KVA Isolation transformer that feeds on two separate 8 ga cables running direct from the house meters into an breaker into de transformer. This breaker is the one I use to turn my system on and off. The Isolation transformer recieves two ...
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Oh, no, I’m absolutely not going to go to this route. I absolutely certainly do not want to have any vacuum tubes in there, not kneeboard and mouse, no recording options, not switching or commutating, it need to have one single button to tune of and...
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Looking around quickly, it appears that it takes about 2 hp to generate 1,000VAC. Around these parts, this probably means a 3-phase 220V electric driver motor, which would totally pollute the entire house electrical system that drives it, ...
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I have been fighting the electricity and getting off-track enough to find it wearying, not to mention the silliness with the tubes. The other day I happened to drop a double album and it hit dead flat on the carpeted floor. The mute was of...
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While I, waken up by Mani’s idea to us MP as the only DAC, was playing with new Pacific I have researched deeper the HDCD subject in the BSO recordings. Mark Donahu, from AudioMirror with his slightly patronizing attitude might consider himself a...
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I see the point, thanks a lot for your comments. Playing with the phono I've somehow come to a conlusion (possibly wrong) that my ham is an electrostatic air pick-up from the PS. During the operation both PS and signal boxes are very closetogether an...
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kodomo , I would like to make some comments about your response.
The presumption that the mic was exact
in the listening spot and the drivers are time-aligned and run “in-phase”. If
any of the above conditions are not true then all bets are off a...
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Peter, I do not know what is doing in with AM, I do not use it and all my experiments are in FM range. You might do the following: take FM antenna out of tuner and use instead a few cm of local wire. Defeat the noise causation on Sansui and run the t...
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That may halfway-explain my reaction to the performance. Despite the 1st level listening being remarkable with the live broadcast, I had to fight myself not to turn it off...I would have thought you would be fan of sym. 11 (kondrachine conductin...
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Hi Romy,I listened to the bigger brothers of this last weekend. The first smps amps I have heard that I didn't need to turn off straight away. Certainly cool running with plenty of power. It wouldn't replace your valve amps but might be entertaining ...
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Recently, I added JBL 2220 for below 200 and replaced TOA DSP with Pioneer D-23 4way active crossover. The result is very positive, but there are still many issues I'd like to attend.I'll be out of country early in September so that'll be a goo...
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Uni,There is a Bruckner Motet in that stained glass I posted. You will have to turn off the amplifiers to hear it. Listen to the space with that glass in it. Don't you hear the Bruckner's contrapuntal modes loading the room? You don't need a sound to...
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Agree completely. In addition I am always leery of having electrical components cycling on and off just from a reliability and longevity standpoint. Turn it on and leave it on unless there are tubes....
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Considering that Srajan is the ultimate audio reviewer, it should be clear to all that there is no opinion worth considering in that article.Where is the cone area to recreate anything except a fart? How is any type of low distortion HF possible with...
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Paul, Please be careful here because good ol' USA is quite different when using residential pole mounted feeder transformers.What you may have is a neutral wire coming off of the 0 volts tap of the 120-0-120 secondary. This center tap is connected ...
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I was using a DeWalt charger that would take the batteries to 14.something which of course fell quickly when the amps were turned on. That one was a 30 amps charger the one I am using now is rated at 55 amps and goes through three modes of charging ...
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Got the "proper" batteries installed.Left them on the charger about an hour - voltage read 13.3 out of the box and never changed with an hour of charging.This morning after an evening of charging they read 13.4. The AGM wouild read 13.5 fully charge...
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KOTriode, …no one questions the usefulness of having a regulator and the ability to adjust voltage and current independently. However, it is necessary ONLY during a design phase and sine you have figure out the optimum operation point for a given tub...
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Romy,Using the Fullrange PS I have bread-boarded the Fullrange amplifier...Turn off the lights and it looks much better.To my surprise (this is my very first amplifier build) everything seemed to work pretty much straight away. The voltages seemed r...
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The speakers i've got are JBL studio monitors using a 2420 (118dbwm 16O) on top and a 2231 (93dbwm, 8O) on the bottom, which already accomodate bi amping, though like i mentioned a midrange driver would probably be a good idea and so a six way amp wo...
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