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In Reply to: You're not learning posted by E-Stat on August 29, 2006 at 17:47:55:
I'm not interested in discussing whether or not a human being can detect a change in time of arrival of sound by two microseconds. Especially when humans can't even distinguish that that they have heard two sounds and not one if they are separated by less than 40 milliseconds, 2000 times a much. Pinpoint localization of the source is the LEAST important aspect of high fidelity sound reproduction. Especially when the technology fails completely almost every single time in every aspect which really does matter.
Pinpoint localization of the source is the LEAST important aspect of high fidelity sound reproduction.
To you that is. Regardless, you ignore that such differences exist. Not to mention a boatload of others. You have your favorite tree and completely ignore the forest. :)
I'm amazed there is someone today who really thinks Dynaco amplifiers and AR speakers (no matter how many extra tweeters you bolt onto them) represent state-of-the-art. Or that a Lincoln LSC is a "performance" car. Equally ridiculous assertions.
Perhaps because it is fun to poke holes in his arrogant ignorance persona. :)
I am still using the 50-year-young Dynakit ST-70 stock power amp, with its matching stock PS-2 pre-amp, donated to me by an audiophile friend a couple years back. I super-upgraded them to reserve its orginality yet without rebuilding them like many have done by changing the original design with different boards & tubes.
Now, they sound pretty nice & 'modern' considering they are half-century aged - see-through transparent, dynamic, wide-tall-deep & pitch dark soundstaging. It is a "state-of-the art" now? I don't know. But for sure, they both sounded like crap when I first got them.
AR-3A speakers? I heard enough decades ago & I was never impressed.
Cheap Jack, I know Dyna pretty well. For its time, and with a little TLC, they can still sound very good, even nearly great. I have a PAM 1, which is a mono version of your PAS2. (How is that for history?) I also have a Stereo 70, and 2 MK 4's (which I love). I used a PAS3 for 10 years, changed it to a 3X back in the late '60's, until I got my JC-2 preamp (serial #1) from Mark Levinson. Now I use a CTC, but only because I got one for my efforts in designing the electronics for it.
There is a difference with better electronics, but an Audible Illusions preamp will really give me a run for my money. Trust me, it is better than the Dyna.
What phono cartridge do you use? If you use one. This is IMPORTANT because the Dyna phono stage is very slew rate limited. I will explain later, if it is useful to you.
what is "important" to know in improving the "very limited" slew rate of my PS-2 considering I own hundreds of LPs.
Are you technical? It has to do with dV/dT=I/C . The output tube can't properly drive the RIAA network. Softens the sound with lots of extra 2'nd harmonic distortion, with high dV/dt signals. A Shure cartridge might be OK. MC is a problem.
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