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BrianD

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BrianD last won the day on January 6 2018

BrianD had the most liked content!

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About BrianD

  • Rank
    TO-18 Transistor
  • Birthday 10/01/1958

Personal Information

  • Location
    Pasadena, CA
  • Homepage
  • RealName
    Brian Dearden
  • Occupation
    EE

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  1. Thanks everyone for the good birthday wishes.
  2. I’ll give a shout out for Billy Cobham - Spectrum
  3. Thanks for your work on this guys. Without these manuals, keeping our old carver gear running would be difficult. Looking for a manual is what originally led me to the carver site.
  4. While you can certainly add some regulators, it won’t help with the problem you will have if you change all of the opamps. The problem will be that the transformer will not be adequate for the new load requirements, it will get really hot, and if left as is I expect it will fail. When it does, hope that nothing catches fire?
  5. As some others told me before I did a similar mod to my C-11, if you change all of the opamps and use anything good, it will need more current and you will need to upgrade the power supply. I ended up doing so on mine, and it worked great but was more work than I originally planned.
  6. I had uploaded some files in a thread about the mods I did to my C-11. I went to look something up for another active thread, and the links don’t work to the files. I am guessing this was due to the website change awhile back. Can these links be fixed?
  7. That is a really interesting way to visualize how these waveforms combine. I’ve never seen anything like that before, thanks. Another thing to be aware of in digital o’scope FFTs is the relationship between the sample rate and the frequency range. I’ve seen people make that mistake a few times.
  8. BrianD

    Vinyl

    I have an opinion about why vinyl is sometimes preferred that I rarely see mentioned in these articles. I haven’t made any measurements so I could be wrong, but here is what I think. I beleive that much of the difference is in how it was mixed, and how much dynamic range compression is used. It is strange that a CD quality digital recording has the capacity for much more dynamic rangethan an LP, but it is rarely used. If you are listening to any vintage vinyl, there was some compression just to get it to fit within the constraints of the media, but usually that was about it. Bu
  9. Welcome to the forum. If you need manuals or schematics and don’t find them in the database, Zumbini is your man. He has helped me out before and seems to have almost everything Carver.
  10. Especially for my fellow Californians - How do you know there is a vegan at your party? Don’t worry, they will tell you.
  11. Welcome to the site. I am sure someone here can help you with your amp. If you have any knowledge and skills in electronics, you may be able to fix it yourself. But if not, or just a beginner, for an amp I would suggest that your get help form one of the technicians here as there are potentially fatal voltage sources inside, even with it unplugged.
  12. Well, I obviously haven’t been playing enough lately. That hurts!
  13. Well, I knew all of them except the last two. Not bad for an old guy I think.
  14. It sounds like you got it dialed in good. Another way you can try is to run your 62 Hz test tone, and invert the phase on the sub. You can probably do that with the dbx, but you can also just swap the wires on the sub (if it is driven from an external amp). Then move the phase to make the SPL minimum. When you switch it back, it should be flat through the crossover.
  15. UncleMeat you’re correct that running a tube amp without a load is bad, but for most solid state amps it is no problem. The channel with no load is putting out just enough power to run the meter. Especially with a single sub, changing the location will change the standing waves in the room, so experimentation is the way to go.
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