PDF: Electronics-Today-1990-06 Fecko Box Fuzz Echo.pdf

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Low gain fuzzy overdrive “Schlager.Fuzz”

I like to present an overdrive / low gain fuzz—a lockdown project:

Starting from a fuzz face with lower beta germanium transistors, a fuzz circuit was tweaked to lower gain, softer clipping and the ability to handle (fat sounding) humbuckers:

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Low cut / mid boost including low cut control was inserted before input—to allow using guitars with “fat” pickups.

Low cut condenser value / low cut frequencies could be...

Here’s a PCB I made that uses the part numbers from the Big Muff Page. Find a schematic there and populate this board!

Here is an Elk Electrosound I did.

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Hi All!

Many years ago I put out a free ' Pedal Builder's Vector Pack ' to help my fellow DIY'ers design, plan, test-fit and drill their pedals. I've been hard at work on Version 2 for six months now, it's grown to 20 pages with 200 illustrations :shock: For version 2, I've gone the Etsy route to help offset my labor costs. It's got lots of new knobs, hardware, enclosure sizes, drilling templates, etc. Hope some of you who have been using version 1 or are just hearing about this now will get...

Hi folks, I've got one of the above units (the 3 switch version) in for a repair. It works for all of 10 minutes then cuts out/goes glitchy and really fuzzy (way more than it should, sounds like the speaker has gone).

I've been in touch with Tech 21 and had a lengthy hack and forth but I'm not getting much luck. I've found a schematic on this site so that's a start but the jacks need de-soldered to get the board out to inspect it. Do any of you have any ideas on what I should check when I do...

hello guys, is there any store that sells fuzz face style enclosure?
thanks

So I've had this old green sticker BF-2 that never worked. I was from a guy who passed, wife sold his pedals and I bought it. It was cheap and felt bad about complaining so I kept it for about a decade at this point.

The issue is: the pedal definitely suffered some water damage. You can see the rust in the board and inside the pedal. It was probably partially submerged for a while.

The pedal turns on and sound passes through, but there is no effect to be heard. You can maybe hear a...

A fun variation on the classic D+/250 style circuit that nobody asked for. I like the original but wanted a little more flexibility from it.

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IC1 is a precision Vref supply which I like to include when I can.

IC2 is a super useful variable capacitance multiplier, borrowed from the page on gyrator filters at you can read more on it there. Here's its used to get a Timmy-style pre-clipping bass control but by virtually changing the capacitor value in the feedback network, as opposed...

When opening up the case of my MXR carbon copy the stomp switch fell apart. I replaced it but now the pedal does not pass signal. Well, actually you still can hear the pop being delayed when either the battery or input is plugged in with the pedal turned ON. There is no signal with switch in both positions otherwise.

I have soldering experience working on tube amps but little on pedals and PCB's. I wonder if I damaged the board or something? The original switch was a major pain to get out and...

PDF: ETI-Guide-to-Making-Music-1988 Flanger.pdf

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Amtron UK835 - Guitar Preamplifier.pdf
Amtron UK835 - Guitar preamplifier_2.pdf

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Amtron UK857 - Guitar fuzz box.pdf

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Amtron UK168U - Dynamic compander.pdf

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ETI-Guide-to-Making-Music-1988 Chorus.pdf

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So I recently got a Roland CH-60 for a song on ebay.

Roland Cubes are a part of my past, I used to load my Dad's Orange Cube 40 into the back of our Brown Austin Allegro on gig nights. It was the first amp I used and I'm mostly a jazzer so it's clean and I like that :)

The CH-60 also packs the Boss CE-2 chorus or very near to it, which was my Dad's favourite pedal (back when he used them). It is concerning that that I'm posting tonight.
They've hard wired a very slow deep chorus on it 3k3...

Complete Service Notes PDF (6 pages): BOSS-HC-2-SERVICE-NOTES.pdf

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PDF: Everyday-Electronics-1980-12 Springline Reverb.pdf

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PDF: Practical-Electronics-1978-04-OCR-Page-0029.pdf

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PDF: Le HAUT-PARLEUR 15 Mai 1976.pdf

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Everyday-Electronics-1975-10 Tremolo.pdf

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Everyday-Electronics-1975-03 Fuzzbox Terrell.pdf

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PDF: : RC-1969-07 Transistorized Reverberation Unit.pdf

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PDF: : HP 1971 Distortobox.pdf

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PDF: Electronics-Illustrated-1967-09 Go Go Reverb.pdf

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PDF: Radio-Electronics-1962-09 More on Reverberation Units.pdf

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