donsachs
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    • donsachs
      donsachs replied to the thread Tube pre amplifiers.
      For that price I am sure it is! I just have a Lampi because I am an OEM and I know the distributor, and I buy them used.. so they...
    • donsachs
      donsachs replied to the thread Tube pre amplifiers.
      Ah... digging around I read that he uses coupling caps.... guess I will have to hunt around in that photo to see them. Still, looks...
    • donsachs
      donsachs replied to the thread Tube pre amplifiers.
      Very interesting DAC and very fairly priced. I use DC-DC conversion quite a bit for regulated filament supplies. What I cannot tell...
    • donsachs
      donsachs replied to the thread Tube pre amplifiers.
      Yes, and that only really matters if you are using a DAC with a really good XLR output. If your inputs are single ended, then the sonic...
    • donsachs
      donsachs replied to the thread Tube pre amplifiers.
      The 45 is indeed a great tube. I use some in my Pacific 2 DAC, and have also used 46 tubes with adapters. The problem with a...
    • donsachs
      donsachs replied to the thread Tube pre amplifiers.
      As to the post above, the harmonic distortion in the balanced output transformer in the Revelation preamp is approximately 0.0003 % on...
    • donsachs
      donsachs replied to the thread Tube pre amplifiers.
      Hi Actually, I have a whole collection of "Holy Grail' 6SN7 types including the venerable TS round plates, the Sylvania bad boys...
    • donsachs
      donsachs replied to the thread Tube pre amplifiers.
      Hi I knew when I posted that I would get in trouble:) I am looking at that pre online. I see banks of lytics and small signal tubes...
    • donsachs
      donsachs replied to the thread Tube pre amplifiers.
      In my experience rebuilding hundreds of pieces of vintage tube gear, including some of the top tube preamps of the day, building...
    • donsachs
      donsachs replied to the thread Tube pre amplifiers.
      thanks. I will have to write the mods to figure out how to be changed from Member to Industry Expert. Are any of us really experts?:)
    • donsachs
      donsachs replied to the thread Tube pre amplifiers.
      OK, I don't want to get in trouble, so I will state right up front that Lynn Olson and I designed a sort of cost no object set of 300b...
    • donsachs
      Hi Dual ring getter at base. They are definitely rings, not dish, and there are two. Single mica. Here is a photo from the seller's...
      • brimar 5r4gy.jpg
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