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Thread: Koch ATR 4502 hybrid power amp

  1. #1
    Junior Member
    Join Date
    Jul 2011

    Koch ATR 4502 hybrid power amp

    hey guys, has anybody already tried this hydrid tube/solidstate power amp? would like to hear your impressions. thanks!
    Last edited by Ooakoto Ootamaka; Nov-14-2013 at 09:08 AM.

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