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Any NVN Dinosaur Fuzz Owners Here?

Discussion in 'Effects, Pedals, Strings & Things' started by indytone, Nov 22, 2005.

  1. Nov 22, 2005 #1
    indytone

    indytone Member

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    Oct 31, 2005
    Location:
    Indianapolis
    I am so stoked. I just traded a Russian Small Stone, newish MXR Distortion+, and Boss CS-3 for a mint Nine Volt Nirvana Dinosaur Fuzz pedal.

    I love the sound and versatility of this pedal. With the main switch on I can have it completely fuzzed out with tons of low end and clarity, and with the other switch on I can get ear-scraping Shellac-style tones from it.

    I'm wondering two three things:

    1. What settings have you found to be best for different tones?

    Right now I have mine set like this for a good fuzz (bass+clarity) tone + the Shellac sound:
    v 3:00
    t 12:00
    g 3:00
    r 7:00

    First in my effect chain; going into my Silvertone 1484.

    2. Have any of you messed with the innards of this thing at all? The letter that came with it mentioned switching stuff out. Is it relatively easy? I can solder, but am by no means an electronic wiz. What have been your results?

    3. What kind of power supplies have you found to use with these? I know I can't use it with my Furman pedal board because of the positive polarity.
     
    indytone, Nov 22, 2005
    indytone, Nov 22, 2005
    #1
  2. Nov 23, 2005 #2
    HBob

    HBob Member

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    I like mine! It has a nice open sound on the lower gain settings that I really like. I like that it can get brighter than my other fuzz pedals without sounding too much like an ice pick in the ear. I also like the grittiness of it. A great pedal that gets overlooked. I think I tried messing with an internal trim pot and put it back where I found it. I got mine used - I think it's stock. I think I could remove a chip or something inside but it's fine as is.
     
    HBob, Nov 23, 2005
    HBob, Nov 23, 2005
    #2
  3. Nov 23, 2005 #3
    indytone

    indytone Member

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    Are there schematics for this pedal anywhere? I checked google and every link I found was dead. The reason I ask is that I opened up the pedal and adjusted the tone trimpot on the side/back of the board as well as the one running perpedicular on the front side of the board. I then noticed a third trim pot, but I couldn't get to it with my screw driver, and I'm just wondering what that adjustment is for.

    I now have this thing sounding even better than before. I love how customizable this pedal is.
    :dude
     
    indytone, Nov 23, 2005
    indytone, Nov 23, 2005
    #3
  4. Nov 25, 2005 #4
    HBob

    HBob Member

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    Keep an eye on the tone knob when you turn one of those "trim pots" inside. I think the Dino Fuzz is the pedal I thought I was adjusting a trim pot on that was affecting the tone and I was actually just turning the tone knob from the back of the pot. Doh!
     
    HBob, Nov 25, 2005
    HBob, Nov 25, 2005
    #4
  5. Dec 19, 2005 #5
    indytone

    indytone Member

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    Yeah, I know what you're talking about. (the black flat-head rubber piece on the pot) The adjustable trim pot controllers are actually soldered on the circuit board. You can use a really small flat-head screwdriver to adjust them.
     
    indytone, Dec 19, 2005
    indytone, Dec 19, 2005
    #5
  6. Dec 19, 2005 #6
    dosmun

    dosmun Member

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    Most likely the trim pots you are asking about are to set the bias on the Trannys.
     
    dosmun, Dec 19, 2005
    dosmun, Dec 19, 2005
    #6
  7. Dec 19, 2005 #7
    Blues Lyne

    Blues Lyne Member

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    Dos is right. The 20K trim pot biases the trannies and the 470K trim is for treble enhancement. The 470K should be the one that is perpendicular to the long side of the board. I'll e-mail a schematic to you along with a couple of mods that Joe posted.
     
    Blues Lyne, Dec 19, 2005
    Blues Lyne, Dec 19, 2005
    #7
  8. Dec 19, 2005 #8
    teleblaster

    teleblaster Member

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    The trim pot you want to adjust does run along the long side of the board, theres also a socketed tone cap across the volume pot so you can try different values. teleblaster :D
     
    teleblaster, Dec 19, 2005
    teleblaster, Dec 19, 2005
    #8
  9. Dec 19, 2005 #9
    indytone

    indytone Member

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    thanks guys. i'm really wanting to know what the third trim pot does though.
     
    indytone, Dec 19, 2005
    indytone, Dec 19, 2005
    #9
  10. Dec 20, 2005 #10
    Blues Lyne

    Blues Lyne Member

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    Where is the third trim pot located and can you tell the value?
     
    Blues Lyne, Dec 20, 2005
    Blues Lyne, Dec 20, 2005
    #10
  11. Jan 24, 2006 #11
    indytone

    indytone Member

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    Just bumping because after reorganizing my pedalboard, this is still my main fuzz/boost pedal. Seriously, if you can find one, get one.
     
    indytone, Jan 24, 2006
    indytone, Jan 24, 2006
    #11

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