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Geoff's Amateurish Pedal Tinkering Workshop 
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Magnitogorsk
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Post Re: Geoff's Amateurish Pedal Tinkering Workshop
The PP800 i made on vero wasn't too over-gainy at all. I didn't love the thing(for 386-based distortions, my favorite was the Krank Distortus Maximus) but it was an okay dirtbox. More buzz than a marshall 800 for sure, but not wayyyy OTT.

I don't remember the tone control being lousy either.

It may be that you got some odd value component swapped in there? Or like some solder dripping down a pot lug and shorting against the box when it is put in it?

I suppose that it is also possible that the tayda board is messed up. Do the traces look good? I once had an issue with a BYOC board that wound up being two traces run too close together parallel that a manufacturing mistake actually made into one trace, shorting part of the circuit out. All kind of wacky biz is possible.

I don't recall exactly, but was the gain knob on that liek a 5k-RA?

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Sat May 14, 2016 7:13 pm
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Pendulous
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Post Re: Geoff's Amateurish Pedal Tinkering Workshop
No I did a pretty good job with the build. It's just... like this. I've read a lot of people on tagboard FX blog having the same complaints. They're saying that different 386 chips have different outcomes. Hmm...



Now that I'm listening to a recording of it it does yeah, kind of sound like a Marshall. I guess the feel of it is doing a lot of what gets me the fuzz pedal impression. Though it does have that farty attack on single notes like a fuzz, that is very audible.

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Sat May 14, 2016 10:50 pm
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Pendulous
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Post Re: Geoff's Amateurish Pedal Tinkering Workshop


Since youtubing my pedal builds is a thing I'm trying to do, here's the ICBM I made in February.

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Sat May 14, 2016 11:16 pm
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Post Re: Geoff's Amateurish Pedal Tinkering Workshop
It does sound pretty Marshall-y, IMO. Just a little too fuzzy as you have pointed out. The EQ curve sounds Marshall-y to me. Got that raw bitey mids thing going on.

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Sat May 14, 2016 11:20 pm
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Post Re: Geoff's Amateurish Pedal Tinkering Workshop
Also, nice Smashing Pumpkins riffage. You pretty much nailed that tone. This is with a mic on the amp or no?

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Sat May 14, 2016 11:23 pm
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Post Re: Geoff's Amateurish Pedal Tinkering Workshop
Broseidon wrote:
Also, nice Smashing Pumpkins riffage. You pretty much nailed that tone. This is with a mic on the amp or no?

Nope just my iPhone! I tell you, iPhones are actually pretty good at recording noisy things. I thought that phones would forever distort under duress until I heard what they do in video mode.

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Sat May 14, 2016 11:30 pm
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Magnitogorsk
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Post Re: Geoff's Amateurish Pedal Tinkering Workshop
Quiet is the absolute best for showing what the difference between a regular BM and an ICBM is. It is all in the teef of the things.

Methinks that if ye cared to mess wif it you could change up that PP800 to be less fuzzy. I was breadboarding the shit out of 386-based circuits back in the day. I don't remember anything other than generalities. Maybe i can find my notes. I do remember that i preferred the designs that had some sort of buffer going in though. For instance, the transistor on the input of the Krank DSM widened the range of dirt-to-clean a bunch, and gave it a better response to the guitar volume for gain adjustment on the fly like.

Most of the circuits are based on the application notes for the 386 anyhow, so looking at the datasheet can give you some ideas of where to look to change shit up.

Even just comparing the circuits for the different gain levels and the "bass boost" circuits from a place like this, then looking at the way the PP800 is, can give you some ideas:

http://www.hobby-hour.com/electronics/l ... -audio.php

http://revolutiondeux.blogspot.com/2008 ... pedal.html

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Sun May 15, 2016 10:49 am
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Pendulous
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Post Re: Geoff's Amateurish Pedal Tinkering Workshop
Yeah Quiet pretty much beats you over the head with Siamese Dream's rhythm toan.

I'm having more success with the PP800 clone tonight. It seems to be less fuzz-like and free of fucked up noises if you don't let the level knob go past nine o clock. There might be a permanent fix for that then. I feel like I didn't do the pedal justice in my video now...

So I'm left with me double pedal project.

I also have been wanting to make a bass distortion lately. I want to take the most fucked up buzzsaw fuzz I can find and give it fixed level and gain, then use a blend control to combine it with the input signal. Hi and lo pass filters before the blend combines so you can isolate distorted mids to add to your clean highs and lows... and then finish the signal flow with a clean boost.

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Tue May 17, 2016 11:43 pm
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Post Re: Geoff's Amateurish Pedal Tinkering Workshop
The OD-250/Orange Squeezer is on the backburner for a bit. I'm really feeling this bass distortion project idea.

Step one is finding the fuzz I'd build it around.

I'm starting with the One Knob Fuzz concept and seeing how I can morph that to my needs...


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Thu Jul 28, 2016 7:10 pm
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Post Re: Geoff's Amateurish Pedal Tinkering Workshop
MOAR.

Still with the hairy basement carpet and iPhone production quality.


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Sat Oct 01, 2016 4:58 pm
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Pendulous
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Post Re: Geoff's Amateurish Pedal Tinkering Workshop


Image

Image

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Sun Oct 16, 2016 3:52 pm
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Post Re: Geoff's Amateurish Pedal Tinkering Workshop
Sounds great, Geoff. Alex and I cherish every one of your pedal videos. "Geoff has published yet another pedal review," I say. "Oh!!" Alex replies.

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Mon Oct 17, 2016 12:24 am
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Pendulous
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Post Re: Geoff's Amateurish Pedal Tinkering Workshop
Broseidon wrote:
Sounds great, Geoff. Alex and I cherish every one of your pedal videos. "Geoff has published yet another pedal review," I say. "Oh!!" Alex replies.

It pleases me that you are pleased so! Someday I will increase the production quality as well.

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Fri Oct 28, 2016 8:13 am
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Post Re: Geoff's Amateurish Pedal Tinkering Workshop
That is some fuzzy goodness. Sounds angry and massive.

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Fri Oct 28, 2016 7:29 pm
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Pendulous
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Post Re: Geoff's Amateurish Pedal Tinkering Workshop
So this week I cloned the Boss MT-2...

Sadly I had to upsize it a good deal to get it right. :unstrung:

Image

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Sat Oct 29, 2016 10:44 am
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Magnitogorsk
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Post Re: Geoff's Amateurish Pedal Tinkering Workshop
Fucking perfect. :huzzah:

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Sat Oct 29, 2016 10:44 pm
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Post Re: Geoff's Amateurish Pedal Tinkering Workshop

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Sun Nov 06, 2016 11:44 pm
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Pendulous
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Post Re: Geoff's Amateurish Pedal Tinkering Workshop


Also: Analog delay.

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Mon Nov 07, 2016 12:11 am
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Magnitogorsk
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Post Re: Geoff's Amateurish Pedal Tinkering Workshop
Yeah, i love the def metal. :huzzah:

With some knobfutzing it absolutely makes a brutal and usable noise.

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Mon Nov 07, 2016 12:36 am
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Post Re: Geoff's Amateurish Pedal Tinkering Workshop
chris_d wrote:
Yeah, i love the def metal. :huzzah:

With some knobfutzing it absolutely makes a brutal and usable noise.


Back in the Pleistocene, I remember thinking it sounded cool with a bass running through it. Haven't heard one in person since, I don't think.

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Mon Nov 07, 2016 8:22 am
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