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Thread: Best class a, zero feedback amp?

  1. #21
    CODA Technologies S250. (CODA was founded by a couple of Nelson Pass' associates at Threshold.)
    Last edited by GSOphile; 06-11-2018 at 03:34 PM.

  2. #22
    Senior Member
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    Problem with block audio is the input imp. is low 10K unbalanced. Will not work well with a lot of tube preamps. Thats why I like Krells they are 100K. Gryphon is also low.

  3. #23
    Addicted to Best!
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    Quote Originally Posted by Jeffy View Post
    Problem with block audio is the input imp. is low 10K unbalanced. Will not work well with a lot of tube preamps. Thats why I like Krells they are 100K. Gryphon is also low.
    Yes, Gryphon is 10K unbalanced and 20K balanced. In my case, the CJ GAT 2 (tube pre) is 100 ohms or less...but i could see where 100K might create more flexibility (theoretically speaking anyway as I am no techie).
    Speaker: Wilson X1 + Velodyne DD18+
    Source: Zanden 4Box Digital
    Amp: CJ GAT2 + Gryphon Colosseum
    Cable: TA Opus Gen5&MM2 + PAD 25th Sablon GCUber
    Isolation Sandwiches: Under: HRS.Stillpoints.Auralex Top: HRS.Artesania.Entreq.EAT.90kg Mass Damp
    Power/Ground/Shield: 7 + 16A Furutech . Burmester948 . NordostQX4 / Tripoint Troy Sig+Thor . Entreq Atlantis / Receivus/Everest/Wrap
    Room/Tube: Stillpoints Apertures / Amperex.Mullard
    Headphone: Sennheiser 650 . Arcam rHead . ApogeeGroove

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