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lous

Responses from lous

Don Sachs Owners Thread
The only true upgrade, other than a modification allowing the use of a 6BY5 would be the Bendex 6X5 compatible rectifier. I believe that they run about 100 or 200 dollars.   Lou  
I have found out why new cables and tweaks actually work!
With regards to tubes, warm with out a definition is meaningless. By warm, many mean dark, akin to a lot of Burr Brown opams from a decade ago. I haven't kept up, if they still label any Burr Brown I don't know what they sound like these days. Tha... 
Don Sachs Owners Thread
Well, unless we’re talking Nelson Pass, most circuits are based upon other designs. Cascade amplification, according to Stan Warren, was designed by Nelson who never patented it, and the vast majority of solid state amplifiers reportedly use it. I... 
Don Sachs Owners Thread
Now that I think about it, I haven't contacted Roy in years, his outlook may have changed. I may be talking about a Roy from a different era.                  
Don Sachs Owners Thread
I shouldn't have left it there. Roy designed Don's preamp, but he was content with it. He's a genius to be sure, and certainly quite knowledgeable. Don is as well, but his genius is perfecting things, and you have to be unbelievable knowledgeable ... 
Don Sachs Owners Thread
I hope that you are able to get it working. One other thing to try would be contact cleaner.   
V-Cap ODAM: What the Future Sounds Like
Theory says that Teflon dialectics are the best there is. I don't know how, but Chris seems to have defied physics with these capacitors. They are easily the best sounding capacitors I have heard, and I have heard many of the best of the best. If ... 
Don Sachs Owners Thread
You'll be amazed if you're DS2 doesn't have the ODAM caps already. That's where I am now. It's so good that improvements surprise me, it escapes reason because it sounds so close to live as it is! Don is using Spatial Audio now, so I suppose that ... 
Don Sachs Owners Thread
That's interesting, has it been broken in? Since you recently re-tubed your DAC, it may be its tubes improving. The DS2 shouldn't be shifting sound in my experience unless something has been changed.  
Don Sachs Owners Thread
I may have some set screws if he's on vacation, but finding them may take a miracle. My work area is a disaster area.  
Don Sachs Owners Thread
You should ask Don if your preamp has ODAM capacitors. If not you haven't heard anything yet.  
Best Stereo Upgrade Value
ODAM capacitors. If you have good equipment, these will turn your system into a great one. Use them as primary, or bypass capacitors and they are a game changer. Linlai E-6SN7's along with ODAM capacitors, if you use 6SN7s are amazing together.  
ODAM capacitors.
I just noticed that I said that the miniature tube board was for 6DJ8 tubes, actually they are 12AU7 tubes.  
Don Sachs Owners Thread
Don told me that the buffers were not critical. If you have plenty of money, use whatever, but if not you may want to use a less expensive tube as a buffer.  
Mark Levinson 27.5 versus modern day amps
@porschefanatic99    Nice setup. I still have the 27.5, but my son has the B&Ws. If you know how to solder, bypassing any electrolytic capacitors in series with the drivers with say ODAM caps won't kill the house sound of the 801Ms, but it w...