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In Reply to: RE: HiFi is not contraband per se posted by farfetched on October 05, 2024 at 07:49:08
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/ optimally proportioned triangles are our friends
Hi, the Dynaco ST 70 shootout is in Glass Audio magazine.I 'm looking for it in my stack of stuff but it's In the 1988 to 1990 range...-.In the Purist Audio Design link I sent there is a last line on the bottom if clicked will give you the history of Jim Aud and Purist Audio Design...-.Mark.
The only mods covered were the stock amp with parts upgrade, the Sound Values mod, the Van Alstine mod, and the Enlightened Audio mod by Randy Nachtrieb.
The overwhelming best mod was Randy Nachtrieb's mod, but the best value was the parts upgrade mod.
I remember the article. The writer turned out own the company whose modification won the competition.
This one? (Link below) If so, there's no mention of mark.korda@myfairpoint.net's Purist Audio Design version. The GSI mentioned used 12AX7s, so perhaps PAD changed their name from GSI at some point, unless Glass Audio did another ST-70 "Shoot-Out" article.
Hi Spelling Police, my mistake! In my defense though I'm from Maine. There are several books on Down East Lingo where there are words spoken you guys wouldn't even understand. A long time ago I worked in a fisherman supply store.There were young lobstermen coming in for supplies I couldn't even understand. Down East is not really down east.It refers to the islands and small towns that are north of say Portland. Ayuh means yes. A guy named Marshall Dodge made this lingo kind of famous on a comedy record called Bert and I. Tre, I have the schematics and info on this amp.The guy who came up with this design, Jim Aud had started a company in Clute Texas called Purist Audio. While no longer involved with the Stereo 70, he was selling these esoteric cables which one is encased in H2, I can't type a small 2. It is not H2O but something like (Heavy Water) which the Germans were experimenting with in WW2. P.S., I use Siemens EL34 power tubes in this baby. P.S. again,I did mean Shim but it went right over my head. If I still had my copier I would send you guys the mod instructions. If your interested I will make you a copy and send it to you for nothing...-.take care...-.Mark Korda
Hi, Purist Audio Design is still kicking and has a web page.
https://www.puristaudiodesign.com/index.html Here is the link...Mark
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