Expression Pedals

Discussion in 'Discussion' started by jcmurray1966, Apr 26, 2020.

  1. jcmurray1966

    jcmurray1966 New Member

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    Hi All,

    I wondered if anyone had experienced a problem with using expression pedals to control volume. I am using a Roland EV-5 10K ohm linear pot and it is pretty much an on/off device rather than a sweep. I have calibrated the pedal and it looks ok. I have also messed around with the taper control in the volume block (not sure if that's the right thing or not). Does anyone know if it is just an incompatible pedal. I also have a Boss FV-500L but that has the same value for the expression side of it and I would have thought they were pretty industry standard. I have an AA12 and am using the B input (I have no idea why I picked B rather than A, but I did).
    Also, has anyone had any issues with the switches themselves. I only bought mine in January 2020, haven't event gigged it yet, and I had to have footswitch 1 replaced as it stopped working. It's only just returned (a bit delayed by Covid 19) and I would say footswitch 6 requires you to be very delicate and precise to engage it reliably. Other than that it's a great sounding unit, fantastic small footprint and I hope these are just teething issues.
    Stay safe everyone.
     
  2. Jace Nuzback

    Jace Nuzback Senior Member

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    Hello, the EV5 should work fine.
    Make sure you have the knob on the pedal turned up to maximum.
    Also on the RTN block where you select volume pedal for expression B,
    be sure you have set the minimum and maximum values appropriately.
     
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  3. jcmurray1966

    jcmurray1966 New Member

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    Thanks Jace,
    it was working fine on some patches and not others. I re-copied the parameters and now it is. It must be user error on my part somewhere. Incidentally can I say a big thanks for your presets. I downloaded them yesterday and they were a massive help in getting the right levels.It seems that all the factory presets and the amp factory/Michael Britt and Singtall ones I had downloaded (plus my own of course) will clip the main outs if you wind up the level. I need to go back and sort them all out but I think I'm on the right track now, plus yours are great sounds of course. Many thanks, John
     
  4. Jace Nuzback

    Jace Nuzback Senior Member

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    I'm glad things are working out for you.
    Thanks for the kind words about my presets!
    Here are instructions for setting up the gain staging in the AmpliFire so that you never clip the outputs:
    Gain staging and getting rid of clipping on your Atomic Amplifire.


    1. Turn on Amplifire, plug in your guitar. Do not turn on your monitor!

    2. Select your cleanest, least compressed preset.

    3. Turn the Amplifire output level knob All the way up (that's 100%.)

    4. Play your guitar with the hottest pickup (usually the neck) selected, the guitar controls all the way up, as loud as you can. Strum all six open strings. Play bar chords. Hard.

    5. Use the LEVEL parameter of the AMP block in the Amplifire to set your preset levels.

    6. Turn up the AMP block LEVEL parameter until the display indicates digital clip. Again, make sure that the Amplifire output level knob All the way up (that's 100%.)

    7. Now turn down that AMP block LEVEL parameter until you cannot create the clip condition, no matter how hard you play.

    8. Save the preset.

    You now have a “Reference Preset” for setting the levels of your other presets.

    For the next part, you'll need your monitor turned on, connected to the Amplifire, with its volume control set so you can hear sound. You do NOT need to set the Amplifire's level control to 100% anymore. Listen to the preset you want to adjust. Select your reference preset. Listen to it. Adjust the level of the other preset to get a match. Save your new preset. Switch back and forth a few times, play, and compare levels. Remember to save the level of the preset you're adjusting before switching back to the reference. When they match to your satisfaction, save the preset you were adjusting one more time. Repeat as necessary at your convenience.
     
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  5. jcmurray1966

    jcmurray1966 New Member

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    Thanks Jace. Much appreciated. Cheers.
     
  6. Quadfire

    Quadfire Well-Known Member

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    I know it's a dream, but a tiny looper built into the amplifire would really help with gain staging (and auditioning any type of change).

    Not asking for the AA to become something it's not, but this would make the AA much easier to use. Loopers are much simpler to build (if you don't do anything more than one track start/stop). They can use a lot of memory, but 5 seconds is 440K. 2 seconds is 180K. Even 1 second at 78k would be helpful. This is mono 16 bit which is probably all you need on the input side for auditioning. 50% more for 24 bit which might be the AA native format.

    On another tangent, if I have the AA plugged into a pedal that can take either Line or Instrument level input, which is better ... and is there a preferred setting for the Level on the AA (50%? 100%).
     
  7. Bob Marton

    Bob Marton New Member

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    Hi Can we get back on the original Topic? I'm new to Amplifire 12 and love to use the Wah block with and Expression pedal. I have a Boss EV-5 pedal and am struggling with the Manuals description of how to set it up. Please help with a bit more detail then the manual.

    When it says go to Pedal A for example how do I do that? Please specify with the exact steps.

    It's also confusing with the other models instrctions included in the manual. It says Amplifire do this but this is an Amplifire. it's an Amplifire 12. So there are red herring instructions that make it all too confusing.
     

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