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    Headphone Volume Bias 600 watt Head

    Hardware amps
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    • afpdbobhaley
      afpdbobhaley last edited by

      The headphone volume is almost inaudible even with volume turned all the way up. Moreover, every amp model sounds the same. I am using Audio Technical ATH-M50x headphones. Any help would be gratefully appreciated.

      Bob Haley

      Felix jeffhansen777 2 Replies Last reply Reply Quote 0
      • Felix
        Felix Moderator @afpdbobhaley last edited by

        @afpdbobhaley Can you try to backup and perform a hardware reset to see how it goes? Feel free to end us a request if you still failed to get it work. https://help.positivegrid.com/hc/en-us/requests/new

        afpdbobhaley 2 Replies Last reply Reply Quote 0
        • afpdbobhaley
          afpdbobhaley @Felix last edited by

          @felix

          Felix, I will try today. Where are the instructions for backing up and a hardware reset?

          Thank you,
          Bob

          1 Reply Last reply Reply Quote 0
          • afpdbobhaley
            afpdbobhaley @Felix last edited by

            @felix

            I did a factory reset and there is no improvement in volume or tone with my Audio Technica ATh M50x headphones.

            Felix 1 Reply Last reply Reply Quote 0
            • Felix
              Felix Moderator @afpdbobhaley last edited by

              @afpdbobhaley Please create a ticket at https://help.positivegrid.com/hc/en-us/requests/new we will follow this up.

              1 Reply Last reply Reply Quote 0
              • jeffhansen777
                jeffhansen777 @afpdbobhaley last edited by

                @afpdbobhaley
                What ended up being the problem? I just unboxed mine today and the volume issue/ malfunction is present on mine!

                1 Reply Last reply Reply Quote 0
                • bumkillaz
                  bumkillaz last edited by

                  Hi, I am currently having the exact same issue. Can anyone please help? Thanks

                  maurice.keegan 1 Reply Last reply Reply Quote 0
                  • maurice.keegan
                    maurice.keegan @bumkillaz last edited by

                    @bumkillaz I'm not sure if this is the same issue but:
                    I found the headphone output on the Bias Amp2 600W head to be quite low through AKG K271's which are normally great.
                    I also found the volume "low" on the Yamaha TH series and a Blackstar Core ID which I own.
                    I believe this is a deliberate design issue related to OH&S compliance but I may be wrong.
                    They aren't going to put a headphone amp in there that will
                    1/ Destroy your headphones
                    and
                    2/ Destroy your ears.
                    My solution has been to run the headphone out into a mini mixer like a Behringer Q802 where you can boost the headphone volume up as much as you like.
                    I don't believe you are going to get crushing volume from the stock headphone out socket.
                    But I guess check just to be sure:
                    Transformer section: Output is dimed
                    Preamp and power amp sections: Gain and Volume are all around 12:00 o'clock unless that's too overdriven.
                    Taking some compression off the Transformer section can add some "perceived" volume as well via increased attack.

                    Good luck and I hope it helps

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