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HELP! - Speaker hissing under all conditions

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  • #16
    Re: HELP! - Speaker hissing under all conditions

    Originally posted by Jacew View Post
    My Fender Mustang combo had a ground wire on speaker chassis to connect it to the amp chassis. I think it did made a slight hiss without it when I tried.
    I removed the speakers, and I have to say that those were the finest connections I've seen in any amp!

    There was no ground to the speaker chassis, but also no way to do it, the whole cavity was made of solid wood and also filled with some woolly type of thing. I don't think they "forgot" the ground wire, there were only the + and - wires for each speaker.
    Last edited by waltschwarzkopf; 05-25-2019, 03:48 PM.
    "I don't want to be a product of my environment, I want my environment to be a product of me."

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    • #17
      Re: HELP! - Speaker hissing under all conditions

      I tried again with headphones and the hiss becomes apparent if I crank up the volume, although I would never use it like this. Still, makes me think that he problem is not in the speaker, but somewhere else.
      "I don't want to be a product of my environment, I want my environment to be a product of me."

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      • #18
        Re: HELP! - Speaker hissing under all conditions

        Ain't the speaker
        There is no ground on any of my speakers

        It may be a ribbon cable inside
        EHD
        Just here surfing Guitar Pron
        RG2EX1 w/ SD hot-rodded pickups / RG4EXFM1 w/ Carvin S22j/b + FVN middle
        SR500 / Martin 000CE-1/Epiphone Hummingbird
        Epiphone Florentine with OEM Probuckers
        Ehdwuld branded Blue semi hollow custom with JB/Jazz
        Reptile Green Gibson Custom Studio / Aqua Dean Shire semi hollow with piezo
        Carvin Belair / Laney GC80A Acoustic Amp (a gift from Guitar Player Mag)
        GNX3000 (yea I'm a modeler)

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        • #19
          HELP! - Speaker hissing under all conditions

          Do you have the limiter on? Try turning that off or turn it to 0. Otherwise, it could be that amp has some bad components in the output power section. It’s not speaker related. Hiss when volumes are down comes from the power section.
          Last edited by beaubrummels; 05-26-2019, 11:09 AM.

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          • #20
            Re: HELP! - Speaker hissing under all conditions

            Ok, then I’ll have a look at the output section. Should I look for anything in particular?

            Glad to know that the speakers are not the problem. Although there was no hissing when the speakers were disconnected, I understand the hissing happens because some unwanted signal is coming from the output, right?


            Sent from my iPhone using Tapatalk
            "I don't want to be a product of my environment, I want my environment to be a product of me."

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            • #21
              Re: HELP! - Speaker hissing under all conditions

              If it isn’t the limiter, I think it’s going to need service/repair, or live with it.

              There’s one last check - if you turn the treble down, is the hiss the same? (That would confirm it’s in the output section)

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