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    GM40 always goes to 0W Power Soak first time I switch presets via MIDI

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    billgwx

    Posts : 24
    Join date : 2016-08-06
    Age : 54
    Location : Centereach NY, USA

    GM40 always goes to 0W Power Soak first time I switch presets via MIDI

    Post by billgwx on Tue Aug 08, 2017 10:21 am

    I use a BOSS GT-100 to switch GM40 presets via MIDI PC messages. Could the GT-100 be sending more than just a MIDI PC message to the amp first time out, or is this an amp bug? I think someone else here mentioned this problem, and the need to send it all the way back home to HK in Deutschland to fix this. Bought the amp thru Sweetwater right when it first came out, and wonder if I can arrange this thru them plus get an identical loaner? Can't afford the down time...
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    Hendock

    Posts : 7
    Join date : 2017-04-20
    Location : Germany

    Re: GM40 always goes to 0W Power Soak first time I switch presets via MIDI

    Post by Hendock on Thu Aug 10, 2017 6:03 am

    Yes, it's a firmware-bug. You will have to send the amp to H&K to update the firmware.

    As I live in Germany it was easy for me to send the amp directly to H&K. If I were you I wood contact the vendor. Maybe they have a solution to solve those problems in the U.S.

    You can also contact H&K via their website and ask for help:

    http://hughes-and-kettner.com/support/contact/
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    bordonbert

    Posts : 758
    Join date : 2015-01-28
    Age : 97
    Location : Southern England

    Re: GM40 always goes to 0W Power Soak first time I switch presets via MIDI

    Post by bordonbert on Thu Aug 10, 2017 7:24 am

    Has that definitely been confirmed and accepted by H&K Hendock? If it has then it is an interesting thing to be able to pass on to other owners. Great heads up!
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    Hendock

    Posts : 7
    Join date : 2017-04-20
    Location : Germany

    Re: GM40 always goes to 0W Power Soak first time I switch presets via MIDI

    Post by Hendock on Fri Aug 11, 2017 1:35 am

    bordonbert wrote:Has that definitely been confirmed and accepted by H&K Hendock?
    In my case it has!
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    j200george

    Posts : 82
    Join date : 2016-09-27

    Re: GM40 always goes to 0W Power Soak first time I switch presets via MIDI

    Post by j200george Today at 5:39 am

    I encountered this issue, I use a boss es-8 as my midi switcher. I found that as soon as i saved the preset the bug disappeared, its back in the wooly ravages of time now but i did have a historical thread on it.

    I elected to NOT send it back to Germany, it all works fine and consistently.
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    bordonbert

    Posts : 758
    Join date : 2015-01-28
    Age : 97
    Location : Southern England

    Re: GM40 always goes to 0W Power Soak first time I switch presets via MIDI

    Post by bordonbert Today at 10:47 am

    Is this the one J200George?  Check out late in the topic here.
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    j200george

    Posts : 82
    Join date : 2016-09-27

    Re: GM40 always goes to 0W Power Soak first time I switch presets via MIDI

    Post by j200george Today at 11:27 am

    Yes that's the one. Since re-saving each preset the gm40 doesn't go "mute" on preset change do I didn't send it away.

    I had already sent the amp back once as it arrived with its heat shield detached. Couldn't face being without it for another two to three weeks.

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