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Thread: Studer 928 Story...

  1. #141
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    Off with the old damaged transformer...

    2b75fdc9-2191-45a9-8dfc-fe07972e7574-jpeg


    ...on with the new, annnnnnd...

    Then there were two (fully functioning master summing modules...)

    6d567a9c-c3a8-4ad8-90d0-da238a0323ba-jpeg



  2. #142
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  3. #143
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    Yes, job's a good'un!
    Must be high quality print. On lesser gear you would likely lose one or two of those plated through pads.

    I know I could track back through the schematics but what are the blue trimmers for please? Level set? DC offset?

    Dave.

  4. #144
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    Yeah, Dave, the boards are really good quality...no lifting or other issues with the lands or traces even with the prolonged application of heat needed due to the 2-sided board; really nice to work on.

    Those trimmers are in a number of places throughout all the module types...sometimes it’s for level calibration, other times it’s VCA distortion null calibration...in the case of the two you see in the picture with the output transformer, those are the output level cal trimmers.

  5. #145
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    I have such a long sordid history of being obsessed with not actually using something until it’s all “perfect” and refurbished, and I usually drown myself into “improving” or otherwise modifying the device in the process...and my life being full and complicated like it is, guess what? Stuff never gets finished...projects sit...oh I do “finish” stuff but it’s usually the stuff I decide to sell.

    I’ve reconnected with some old musician friends. I had to let go of a lot of friendships many years ago for the sake of my marriage. I’m not saying that’s “wrong” or “bad”, but it was incongruent with me, and it was one of countless incongruences; sacrifices that seemed to be deposited into a vacuum. Relationships *always* require sacrifices...give and take...always. But there needs to be a balance to it. My first marriage was out-of-balance. It’s not that way anymore...remarried and my wife has encouraged me to reconnect. Anyway, I walked away from a project that I think could have been *something*. Not huge, or even all that big, but something. My friends are absolutely brilliant musicians, and we really resonated together...they brought the best out of my drumming. It was hard to let it go. We had finally committed ourselves to getting into a local project studio to do some live multi-tracking...that was 1996. It was to ADAT. I stepped away before we mixed it. At some point during the last couple decades I got ahold of the ADAT masters and had somebody transfer stems to .wav files...I have all that stuff. I’ve always wanted to mix the stuff we recorded. So, my studio is far from setup...nothing is “finished”. The Studer is all scungey from its 20 years of service, the legs are all banged up, but I’m doing something very different for me...I’m throwing it together, soldering up some multicore snakes to the Tuchel connectors, loading a rack with a patchbay and only the gear needed to do some basic mixing and mastering...my friends haven’t heard what we recorded in over 20 years and that was just a really bad rough mix to cassette...they are anxious to hear it...and I want to use the Studer. With the few repairs I’ve done on it it is 100% functional. I’m just doing it. It will still take some time to get all the stuff together, but my youngest son who has the audio production bug and is already pretty good with a soldering iron is jazzed about the project...we’ve made a to-do list...first up on the list was getting the console frame mounted to the legs. Done.

    1c9b37b3-0f46-45d2-938f-cb126909cc94-jpeg

  6. #146
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    Hi all together,
    it has been quite a while since my last post, but i have to tell some great news:
    Besides one stereo and one master channel, that remain unchanged for a few more weeks as reference, i have finally finished the process.
    almost 3,5 thousand electrolytic caps, an other 3,5 thousand foil caps, about 650 opamps...
    The power supplies started to get unreliable, so that I had to build an intermediate solution with some Mean Well modules. They are not too bad, but I will get sth better, probably with some low noise Daitron modules.
    The next step for me is to calibrate the whole desk before i start soldering some cables to connect my new Antelope Orion HD Gen 3.
    After this iI will probably get down to some cosmetic things, like repainting the legs and renewing the leather hand rest

    Any news on your project?

    Greetings
    Michael

  7. #147
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    Greetings!

    Nothing new here unfortunately...the last 1-2 months have involved downsizing and moving and I'll be getting settled for awhile. But the new place has a small dedicated room for music/recording equipment, so, even though small-ish, I'll finally have a space again for the first time since 2013 where I can have gear permanently setup and there should even be room for a small workbench setup for continuing work on long term projects like the Studer desk and Ampex MM-1000 tape machine among others...for now, at least all the gear is in its own heated space, which I haven't had in all these years. We are doing renovations in the new place, plus there are honey-do lists for my wife and baby to take care of first, but inevitably I'll be getting back to audio projects and posting updates.

  8. #148
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    I wish you all the best with the moving and renovation!
    I have done a few (quick) mixes with this new to me hybrid workflow (the Telefunken Live from the Lab sessions are great!).It's great to work with a physical desk. There is still tons of work left like building a patchbay, a siderack and such things, but it seems to move in the right direction.

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