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Thread: Upgrading Genesis II's

  1. #21
    Addicted to Best! A.wayne's Avatar
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    Apogee and Magnapan(3.7/20.1 only) used ribbon tweeters , all the others were planar magnetic ...

  2. #22
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    I've been trying to get a video shoot with a pair near me. I'll work on it this year. I love that room in Gary's pic, and I love the purpose of the system... to make music. That to me, is the reason for the high-end.

  3. #23
    WBF Technical Expert (Speakers & Audio Equipment)/Member Sponsor [Technical Expert] garylkoh's Avatar
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    Quote Originally Posted by Peter Breuninger View Post
    I've been trying to get a video shoot with a pair near me. I'll work on it this year. I love that room in Gary's pic, and I love the purpose of the system... to make music. That to me, is the reason for the high-end.
    Absolutely! If I had to live with a Bose system and all the music in the world available to me, or a system with the Air Force One, the Genesis Dragons and choice of electronics, but I'm only allowed to have 12 albums..... I'll pick the music any time, any day.
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    Genesis Advanced Technologies

  4. #24
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    Great read Gary...thanks! Love the pictures as well...great room, great system, and quite a collection (20,000 albums!)

  5. #25
    Quote Originally Posted by garylkoh View Post
    Whenever I speak to an owner of a speaker of this vintage, one of the first things I would ask them to do is to go to a good local electronics tech and have all the power supply electrolytic caps replaced. It's good insurance especially since the old Genesis Technologies servo-bass amplifiers run HOT!
    Would you make the same recommendation for the newer servo-amp (the taller one with the rounded front)? Doesn't seem to run all that hot, and i have only had it shut down due to excess heat once. Does seem that if one is going to have issues with the older sepakers, that the amp is the most likely suspect.

  6. #26
    WBF Technical Expert (Speakers & Audio Equipment)/Member Sponsor [Technical Expert] garylkoh's Avatar
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    Quote Originally Posted by ca1ore View Post
    Would you make the same recommendation for the newer servo-amp (the taller one with the rounded front)? Doesn't seem to run all that hot, and i have only had it shut down due to excess heat once. Does seem that if one is going to have issues with the older sepakers, that the amp is the most likely suspect.
    The taller one with the rounded front is much less of a problem. Also because they use higher temperature rated capacitors. Nevertheless, you are right that with the older speakers, the servo-amp is the most likely suspect if there are bass issues. Second would be the old 30ft servo-bass cables.
    __________________________
    Gary L Koh, CEO and Chief Designer,
    Genesis Advanced Technologies

  7. #27
    Quote Originally Posted by garylkoh View Post
    The taller one with the rounded front is much less of a problem. Also because they use higher temperature rated capacitors. Nevertheless, you are right that with the older speakers, the servo-amp is the most likely suspect if there are bass issues. Second would be the old 30ft servo-bass cables.
    OK, thanks for the reply. I bought my speakers during the transition from 200 to 201 - they have the BG midrange/crossover, the tall/round front amp but the older brown woofers, and had the 30ft audioquest cables (which I switched out for your updated, shorter ones). Should woofer problems arise at some point, can they be swapped out for the newer aluminum ones individually (both accelerometer version and regular), or would they all need to be replaced at the same time.

  8. #28
    WBF Technical Expert (Speakers & Audio Equipment)/Member Sponsor [Technical Expert] garylkoh's Avatar
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    Quote Originally Posted by ca1ore View Post
    OK, thanks for the reply. I bought my speakers during the transition from 200 to 201 - they have the BG midrange/crossover, the tall/round front amp but the older brown woofers, and had the 30ft audioquest cables (which I switched out for your updated, shorter ones). Should woofer problems arise at some point, can they be swapped out for the newer aluminum ones individually (both accelerometer version and regular), or would they all need to be replaced at the same time.
    I wouldn't change them out individually - especially if it's the accelerometer one. If that one is changed, they all would need to be changed.
    __________________________
    Gary L Koh, CEO and Chief Designer,
    Genesis Advanced Technologies

  9. #29
    Gary,

    Would there be any benefit to purchasing the BG 48" midrange and changing it out from the original Carver unit. Also, where to get schematics or a crossover board if needed for the modification. There are no issues that I am aware of with my current drivers.

    MAK

  10. #30
    WBF Technical Expert (Speakers & Audio Equipment)/Member Sponsor [Technical Expert] garylkoh's Avatar
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    If there are no issues with your current driver, stick with it.

    The 48" midrange we use is different from the standard B&G. They use that driver as a mid/tweeter. We use a modified version as a midrange only. We don't publish crossover schematics as we've spent a lot of time and resources to develop it and we can't just give it away.

    This guy changed out his tweeters, midranges, crossovers, internal wiring, woofers, servo-bass amplifier, cables, etc. Only thing he kept was the cabinet. He didn't want us to re-finish and re-polish the veneer as he liked the lived-in aged patina on the wood.

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    Gary L Koh, CEO and Chief Designer,
    Genesis Advanced Technologies

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