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EQ Q: YAMAHA TRBJP

Discussion in 'Pickups & Electronics [BG]' started by Kobaia, Mar 1, 2006.


  1. Kobaia

    Kobaia

    Oct 29, 2005
    Denton TX
    Endorsing Artist: Aguilar Amp Gruv Gear and Mono Cases
    :confused: I have a YAMAHA TRBJPI, and i'm trying to figure out this eq. i'm totaly lost on what does what, as far as the rear panel is concerned. how do the 3 dials in the back of the bass actualy affect the sounds of the diffrent eq settigns, and what are the basics for the 3 position knob on the front of the bass?:confused:
     
  2. Le Basseur

    Le Basseur

    Mar 26, 2002
    Croatia
    The correct formula is :"I'm the proud owner of a TRBJP":hyper: (just kidding,man;) )
    Here's a self-explanatory picture of my TRBJP's control cavity cover:
     

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  3. Le Basseur

    Le Basseur

    Mar 26, 2002
    Croatia
    Opps..sorry,I forgot to answer your second question:
    The "3-position" knob (the one between the low and high pots) is a 3-way switch with the following functions,clockwise:
    1.Mid OFF
    2.EQ1-Mid cut
    3.EQ2-Mid boost-cut
    It might sound confusing but it's really simple:the lowest position means no mid correction (only low and high pots are usable as corrections here),the middle position means a scooped-mid figure and the third position means either a mid boost or a further mid cut,according to how you dialed the trimpots on the preamp's PCB (the ones you see in the control cavity's picture).
    HTH!
    Regards,