OK, I’m finally digging through my pile of vintage pedals resurrecting them from the dead. Here’s a mid 70’s EH Echoflanger. If anyone has gut shots, schematics, layouts, info, etc. to get this puppy up, that would be greatly appreciated.
New member here, and my apologies if i am starting off on the wrong foot with my first post..,.i am hoping someone can provide some advice here as to what may be wrong with an old distortion box. I have an old univox superfuzz stomp box that when plugged in no longer generates a really cool crunch sound it now generates what really sounds like static. . It has two settings but both sound similar, like a static generator. Any ideas? maybe the capacitors need replacing. Afterall it has to be at...
I have a vintage Maestro Envelope Modifier on my bench. It acts strangely and doesn't really match my expectations.
In my understanding it should retrigger the ADSR cycle as you pluck a string (seeing the vintage EHX Attack Decay and Boss Slow Gear on youtube). For example set a slow attack, long sustain and fast decay and as i hit a note the volume starts to increase than it sustains and after that quickly mutes as it reaches the decay part of the envelope.
I received this pedal recently, it was found in a garage. It's in a rather sad state, as you can see from the pictures.
It looks like the Fuzz PCB is missing but I guess I can make the Wah work on its own.
I decided to take it apart, clean it and re-wire it. Below are a few shots of the PCB.
I've labelled the connection points on the PCB and am asking for help which ones are for the IN/OUT, 9V and POT. I'm sure this will be easy for the experienced builders.
essentially a superfuzz abnd univibe in one (big) box... love the damn thing to bits but its just too cumbersome to take on the road. i have never found a schem so am wondering a) does anyone have a schem b) could it be made into a smaller format and c) has anyone else based a stompbox on it?
Does anyone happen to know what part of the circuit effects the gating? I have been experimenting for weeks and getting a wide range of results, but I can't seem to figure out what components are the ones effecting the amount of gating. I know it can be done because there are mki pedals with a gate control. Just when I think I've pegged it, its wrong and doesn't work. I can usually figure these things out, but this is getting frustrating. Any help would be appreciated.
🤘
A self-proclaimed All-Knowing Guru is offering a corrected schematic of the Vox Repeat Percussion here:
There is at least one thing what the self-proclaimed All-Knowing Guru doesn´t know:
His schematic neither original nor is it correct - so it is more a fake.
For comparision purposes here is the (wrong) original schematic
and as FSB birthday present No. 2 is here a traced (and for this reason really correct) and tested schematic:
Sorry to :beatdeadhorse: , but I love Zonk machines! No one likes the sound of the Zonk II (including myself, until now). To me it sounded dark and had a weird abrupt cutoff about the notes...especially lower power chords and the higher single note runs. I attributed this to just being a crap circuit, but after adjusting the bias I changed my mind. I replaced the q2 collector resistor (10k) with a pot (as close to 10k as you have.) I used an audio pot, but a linear would probably work better. I...
People like guts? ok, here are some others from our japanese hackerfriends (click on the pictures for high resolution):
enjoy,
analogguru
as-1a.jpg as-1.jpg
I have the tranny numbers written down at home
D2DB32A4-2741-457D-B485-29F292EA7399_zpsgbxx1exx.JPG 43C541B6-295C-4C76-8600-A17E7B2DD941_zps6imrnbbk.JPG BEE653A1-4DA7-4F42-943D-CA23E31E0A6C_zps0petkvcv-2.jpg EF6F406E-9D04-4FA4-99C0-6954AE2E3F6F_zpsxcaxbqkw-2.jpg BDC75CD2-96F9-4ADB-A064-516E9D39B033_zps5nzkcrm4-2.jpg C99D0B6D-B7E0-40CB-B78F-F015ACA59301_zpsyurusowz.JPG BDC75CD2-96F9-4ADB-A064-516E9D39B033_zps5nzkcrm4.JPG 6A78CD99-380C-497B-B1EB-F260A0DAF0AB_zpswe6vadlo.JPG...
It seems that some people have had trouble building from the schematic. If one of you guys has component side board photos it would go a long way toward confirming the schematics accuracy.
It's amazing so little is known about this very early fuzz (1964!).
So far: It's the inspiration for Buzzaround (???) but 4 transistors.
Here is a link to an article about it
I did little of detective work for old VOX Tone Bender, and poor man variant also knows as a Jen Fuzz (or/and JEN Tone Bender)
Anyway, I have the poor man version and I did exact dimensioned replica layout, as well as the notes about most common variants.
My documentation contains six slightly different versions with minor changes from those goodshots I had stored on my hard drive (including rare silicon version). There can be versions some ware other unknown to me, if you know...
Today the Schaller Universal-Fußpedal is mostly referred to as Double Pedal . I have no idea how Schaller marketed this monster of a pedal internationally, but they surely had to find a more suitable name than Universal-Fußpedal - and a merely descriptive name would have been too long: a Fuzz/Treble-Bass-Booster/Tremolo/Swell-pedal with with dual treadle control. So as a consequence someone probably came up with Double Pedal .
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