OC75 and other info

Discussion in 'Effects, Pedals, Strings & Things' started by mahler, Dec 16, 2009.


  1. mahler

    mahler Member

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    Posted a thread on transistors, got most the info I was looking for.

    Now I just want to know the basic EQ of each of the following

    OC84

    OC75

    OC81d...

    know they are subtle differences, but just an overall idea of the slight variations in tone from one to another.

    Example, tight low end, smooth, FAT (thats important), piercing, trebly, high gain...etc.

    Thanks Guys, TGP really has people who know their stuff!
     
  2. martinsmith06

    martinsmith06 Member

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    Hey man, great question. From my experience I've had Tonebender MKII circuits with all 3 of those transistors and this is my evaluation.. again... IMO (so please fuzz-gods don't slag me if I'm a bit off)

    OC75's feel like they have the most gain of the group. From the boxes I've had they also seem to have the most top-end (I wouldn't go as far as saying straight-up treble), and they aren't as warm as either the OC81D's or OC84's.

    OC81D's have a little less of a gritty/grinding feel compared to OC75's, and they also sound much fatter/warmer in my opinion. They clean up with the guitar volume extremely well and they're just a great sounding transistor in general, although there is such a premium put on the "mojo-factor" that sometimes prices can get a little hairy.

    OC84's are honestly my personal favorites. Of the 3 you've mentioned, they probably have the least amount of gain, but there's still plenty on tap. You've got the warmth of the OC81D's, but they seem to have a somewhat more balanced tonal range. They also maintain great clean-up characteristics.

    Again, I'm in no way, shape, or form an expert when it comes to this stuff. I'm just a guy who LOVES MKII's and this is my interpretation from what I've been lucky enough to play through. Hope this helps a bit :)
     
  3. mahler

    mahler Member

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    Interesting...love the part about the fuzz gods! A fuzz guy just told me about 81d's being balanced and having the most cleanup and are defined and 75's being the fattest, but gritty! Ahh there are too many conflicting views out there about transistors, everyone has a different opinion about a same one!

    Thanks for the post!
     
  4. martinsmith06

    martinsmith06 Member

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    Another thing I've found is that no 2 units sound the same. It depends on what the builder voices the pedal to, and since the majority of builders are using NOS trannies, I'd imagine it's almost impossible to make the same pedal twice
     
  5. mahler

    mahler Member

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    what pedal makes are you using for your MKII goodness?
     
  6. martinsmith06

    martinsmith06 Member

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    I've been through the following in the past year or two:
    3 ProAnalog MKII's w/various transistors
    1 ProAnalog MKIII (Scotty's re-imagining of a MKII) which had an OC84 in the clutch spot
    1 DAM MKII Pro w/OC75's
    1 SkinPimp MKII w/OC81D's
    1 Hudson Stroll On w/OC75's
    1 Sola/DAM MKII w/OC84's

    My keepers are the SkinPimp and the Sola/DAM.
     
  7. mahler

    mahler Member

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    Impressive list!

    Is the DAM/SOLA some sort of collaboration between DAM and whoever is in charge of the SOLA name now, or is it know different from your other DAM?
     
  8. martinsmith06

    martinsmith06 Member

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    The SolaSound/DAM MKII is distributed by Macari's Music in London. It's a collaboration between David Main and the Macari's to reissue the original SolaSound MKII, (The Macari's own the rights to the Colorsound and SolaSound brands I believe) and it is completely different from my original DAM based on both sound and looks. The build-quality is still top-notch though!!
     
  9. mahler

    mahler Member

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    When ever I visit the Macari website, they only offer a silicon tonebender....am I doing something wrong?
     
  10. Grady

    Grady Windjammer Gold Supporting Member

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  11. LSGoCards7

    LSGoCards7 Member

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    They aren't on the site. You have to e-mail Anthony for info.
     
  12. Bobby D

    Bobby D Member

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    every transistor and fuzz pedal is like a snowflake. each one is different.

    i love them ALL :agree
     
  13. mahler

    mahler Member

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    LSG do you know how much a TB MKII costs from Macari's
     
  14. LSGoCards7

    LSGoCards7 Member

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    About $500.
     
  15. mahler

    mahler Member

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    Oh well there goes that idea!

    200 dollar a pedal limit, 300 for a delay though :)!
     
  16. martinsmith06

    martinsmith06 Member

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    such a festive and accurate description. good call bobby :aok
     
  17. LSGoCards7

    LSGoCards7 Member

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    I was the same way until I found out about this pedal! With no more D*A*M MKIIs and the awesome reissue housing I had to get it! :D
     
  18. mahler

    mahler Member

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    Too bad the amount of snow around here could be vintage germanium transistors, I'd be a happy, and rich man!
     
  19. mahler

    mahler Member

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    So LGS, describe the Macari TB for me, make me angry haha! In all seriousness how is this tone beast? Pictures...clips?
     
  20. Grady

    Grady Windjammer Gold Supporting Member

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    Hey LSGoCards7................when did you get on the list?
     

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