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Thread: Having trouble setting up/understanding the dials on my Blackstar fly 3 amp

  1. #1
    Join Date
    Dec 2017

    Default Having trouble setting up/understanding the dials on my Blackstar fly 3 amp


    I have been playing my U-Bass for 3 weeks and cannot get the amp set in any consistent way. Sometimes I get really good sound and sometimes it is different. I thought the batteries were running low last night in a circle but they were not. I randomly turned one of the dials and it was better. Or was it the "compression" button?

    My Kala U-Bass does not have a preamp. I do not know if this has any relevance or not.


  2. #2
    Join Date
    Aug 2012


    Hope this helps, wish I could find such a great review of an Orange Crush bass 25!
    Last edited by UkerDanno; 05-17-2018 at 05:46 AM.
    Just Play

    Sopranos: 1st uke, Lanikai soprano LU-11 - Aquilas | 30's Martin style 0 - Martins | Fender Piha'eu - Worth Browns | Lanikai banjolele - Worth Browns
    Concerts: Kanile'a K-2 CP - Living Water | Islander AC-4 - Living Water | Ohana CK-35-8 - Living Water | Kala KA-ACP-CT - Living Water, low G
    UBass: Kala Exotic Mahogany - Road Toad Pahoehoe

  3. #3
    Join Date
    Mar 2017
    Honolulu, HI


    I also have problems with getting good sound out of this amp. It's never going to sound like a regular bass amp, but it is amazing for its' size & portability.

  4. #4
    Join Date
    Oct 2011
    Blaine, Washington


    If your amp doesn't have a preamp built in, a preamp makes all the difference with a passive pickup. There are many to choose from. I use a Baggs preamp and a K&K mini.

  5. #5
    Join Date
    Apr 2013


    Using a passive pickup without a preamp is never going to sound right no matter what you do with effects or EQ.

    This is an electrical problem called IMPEDANCE MISMATCH which I have written about extensively here on UU and offered solutions, all of which involve using an external preamp to correct this problem.

    You can find the links to those threads via the FAQ link in my forum signature below if you want to know all about it, why it happens, and the options to resolve this problem.
    This ═╣FAQ link╠═ will help you learn about many things.
    You should click it, as the answers are waiting for you.

  6. #6
    Join Date
    Sep 2013
    Los Angeles, near the Beverly Center.


    I use my Fly 3 Bass rig with both passive and active basses, granted it’s not like a full bass amp, but it sure works well when I practice and hang it me while playing for kids in the hospital. I have gain at 3 o’clock, OD is out, EQ depth at 1 o’clock, Comp ratio at 11 o’clock, sub at 7 o’clock, Volume level at 2 o’clock, then adjust the volume on my instrument as needed.

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