Home Forums GuitarPCB Build Support Muff’n Roto-tone mid scoop mod

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  • #15436
    brd
    Participant

    Hi All,

    I’m working up another BMP Muff’n build and I found the “Muff’n Mid Scoop Mod Version 1” in the new Roto-Tone Deluxe guide.

    Will that mod work with the Mod 3 ( mid scoop control) from the Muff’n build doc? Or how are they different and what would be expected if they were combined?

    Thanks in advance

     

     

    #15440
    wilkie1
    Moderator

    Those are two different mods that will alter the tone options for your MUFF’N. SInce I haven’t tried both of them together in the same build, I can’t tell you whether you will like the results or not  Why don’t you try them and tell us if they worked well together?.

    #15457
    brd
    Participant

    Cool, uncharted territory. I have a Muff’n board and Roto-tone on order. I will report back soon.

    #15458
    Cybercow
    Moderator

    I tried searching for the “Klingon Muff” version of Barry’s “Muff-N” but couldn’t find it. IN that build I did ALL seven mods and wound up with a BMP that would emulate about 10 different versions of the Muff. So yes, you can do multiple mods on the Muff-N with excellent results. I did find my YouTube demo of the “Klingon Muff”

    I put it thru all the switch combinations so you can get an idea of what you might anticipate with your build.

    #15460
    Barry
    Keymaster

    Here is the Klingon Muff thread: https://guitarpcb.com/forums/topic/klingon-muff-story-of-a-modded-muffn/

    Here is the new MUFF’N 2020 Build Doc

    The search Bar is on the Forum Home Page.

    #15850
    brd
    Participant

    I was aware of the “Klingon Muff” and the excellent documentation by Cybercow.

    This Pi build was imagined to be paired with a Rangemaster circuit to get that Muse Bass sound. It started as a simple plan to use 2 foot switches so the Pi and RM could be used independently, but each of those circuits have several great mods and I had a few extra switches.

    I worked out the base Pi build by using an old Muff’n board and a strip of sockets. I actually A/B’d component using an audio probe as I populated the board. I added 5 extra switches before I started experimenting with the Muff’n mods. First was the Roto-Tone mid-scoop mod and I settled on 3n9,4n7,10n for the C10 selection with 10n and 4n for C11. For the Muff’n mod 3, I liked a 10k for R20 with a B100K pot. Wilkie1 was right, If I hadn’t tried it, and gone outside the box, I would not have found those values.

    In my opinion, most of the sounds you can get from these 2 tone stack modifications can be had with the Tone Tweq mod. I used that for my last Muff’n build and liked the results. For this build I wanted to have a switchable set of values as opposed to having to dial in the sounds, so I opted for the individual mods.  I can detail the whole build in another post if there is interest.

    Thanks again for the help, this is a great forum.

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