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Vintage Stompbox Corner ( ... - 1975)
Discussion regarding early stompbox technology: 1960-1975 Please keep discussion focused and contribute what info you have...
Topics: 651

651 Topics

14858 Posts

Last post Mu-Tron Bi-Phase Oscillators …
andy-h-h
yesterday, 10:40
Modern Stompbox Effects (1975 - ...)
All about modern commercial stompbox circuits from Electro Harmonix over MXR, Boss and Ibanez into the nineties.
Topics: 1469

1469 Topics

21877 Posts

Last post Re: TC Electronics - Stereo C…
jazzade
11 apr 2021, 12:24
Boutique Stompboxes dissected...
General documentation, gut shot, schematic links, ongoing circuit tracing, deep thoughts ... all about boutique stompboxes.
Topics: 1773

1773 Topics

56777 Posts

Last post Re: LAL - Oscillo Fuzz (Last…
Sesh
today, 08:50
DIY Projects
Original effect designs complete with schematics, layouts and instructions. Freely contributed by members or found in printed or online publications. Cannot be used for commercial purposes without consent of the respective owners of the copyright.
Subforums: Printed/Published Online Designs, Original Tracer Layouts
Topics: 1458

1458 Topics

26685 Posts

Last post Re: BIGGER MUFF
dylan159
yesterday, 12:18
Analysis Requests Folder
Before you launch a request, please a) search the forum; b) search the web and c) share whatever you did find and where you searched.
Topics: 1150

1150 Topics

4167 Posts

Last post andregarcia57
today, 01:01

Active topics

Replies

Views

Last post

List of Joyo Pedal Clones

Last post by theblackman « 22 Dec 2020, 04:07
Replies: 102
by din_mentor » 07 Feb 2012, 11:28
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Rating: 12.3%

Hi, totally new to this forum :mrgreen:
I Guess this is THE place for effects pedal questions.

Been looking around for confirmed Joyo pedal clones,...
102 Replies

337432 Views

Last post by theblackman
22 Dec 2020, 04:07
Original tracer layouts for classic pedals

Last post by analogpedals « 25 Mar 2019, 16:07
Replies: 58
by peps1 » 26 Apr 2010, 18:16
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Rating: 10.8%

(Hope this is in the right place, as it n0ot really a technical question and didn't want to post a request in the vintage section)

Hi Guys,

Trying...
58 Replies

20753 Views

Last post by analogpedals
25 Mar 2019, 16:07
THE ENGINEER'S THUMB... At last, a better compressor!

Last post by jhergonz « 20 May 2018, 18:09
Replies: 101
by merlinb » 21 Apr 2012, 14:23
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Rating: 13.4%

For a long time I've felt guilty that my pedal board didn't include a compressor. Finally, after about a year of breadboarding, I have produced a...
101 Replies

16413 Views

Last post by jhergonz
20 May 2018, 18:09
READ THIS before posting!!

Last post by modman « 11 Sep 2011, 13:52

by modman » 11 Sep 2011, 13:52

Rating: 1.5%

This section is devoted to circuit analysis . This means...

requests for schematics or layouts will be moved the the Request section
messages...

0 Replies

46222 Views

Last post by modman
11 Sep 2011, 13:52
DO NOT post requests in this forum. Pretty please.

Last post by modman « 19 Mar 2010, 09:41
Replies: 2
by culturejam » 22 Nov 2009, 21:18

Pretty please, with sugar on top.

Don't post in this forum asking is there is a schematic or layout or info on XXX pedal.

There is a subforum...

2 Replies

45955 Views

Last post by modman
19 Mar 2010, 09:41
DO NOT post requests in this forum. Pretty please.

Last post by lolbou « 22 Nov 2009, 21:23
Replies: 1
by culturejam » 22 Nov 2009, 21:18

Pretty please, with sugar on top.

Don't post in this forum asking is there is a schematic or layout or info on XXX pedal.

There is a subforum...

1 Replies

43395 Views

Last post by lolbou
22 Nov 2009, 21:23
DO NOT post requests or debugging in this forum. please.

Last post by lolbou « 22 Nov 2009, 21:23
Replies: 1
by culturejam » 22 Nov 2009, 21:18

Pretty please, with sugar on top.

Don't post in this forum asking is there is a schematic or layout or info on XXX pedal.

There is a subforum...

1 Replies

53920 Views

Last post by lolbou
22 Nov 2009, 21:23
The Goose, the Middleman, the Idolmaker and Gomer Pyle

Last post by noelgrassy « 01 Feb 2008, 19:42
Replies: 91
by CS Jones » 07 Dec 2007, 21:41
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Clay, I would really love to hear the full story on this one. It seems like you have lots to tell!

Thanks LPD. How much do you want to hear? The...
91 Replies

181096 Views

Last post by noelgrassy
01 Feb 2008, 19:42
LAL - Oscillo Fuzz (Lastgasp Art Laboratories)

Last post by Sesh « Today, 08:50
Replies: 57
by bumblebee » 26 Oct 2007, 09:26
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Rating: 1.7%

Any schems around for these guys, in particular this

SUPER OSCILLO FUZZ

sound samples

i know i can make something similar easily enough but...
57 Replies

20563 Views

Last post by Sesh
Today, 08:50
BIGGER MUFF

Last post by dylan159 « Yesterday, 12:18
Replies: 14
by dylan159 » 08 Apr 2021, 19:20

Rating: 4.3%

A few months ago, I got the idea of reworking the Big Muff in a modern fashion, using op amps, while remaining true to the logic behind the original....

14 Replies

396 Views

Last post by dylan159
Yesterday, 12:18
Mu-Tron Bi-Phase Oscillators - why are they so different?

Last post by andy-h-h « Yesterday, 10:40

by andy-h-h » Yesterday, 10:40

Hello

Just trying to get my head around why the two LFOs in a Mu-Tron Bi-Phase are so different - they both put out square and sine waves.... it has...

0 Replies

78 Views

Last post by andy-h-h
Yesterday, 10:40
EarthQuaker Devices - Hoof Fuzz

Last post by ClassicFuzz « 11 Apr 2021, 19:08
Replies: 64
by Bernardduur » 06 Jul 2008, 09:51
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Rating: 2.2%

Check; nice inside shot!

My guess? Big Muff with 2N130X transistors with LED's as diodes for the fuzz stages.

Edit: found another gut shot at...
64 Replies

18748 Views

Last post by ClassicFuzz
11 Apr 2021, 19:08
Analogman - Peppermint Fuzz

Last post by deltaeffects « 11 Apr 2021, 14:02
Replies: 44
by analogguru » 30 Jan 2008, 15:36
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Here some guts of another Fuzz Face derivate:

A new color on the case combined with a new name = new money for the King of solder jockeys...
44 Replies

16372 Views

Last post by deltaeffects
11 Apr 2021, 14:02
TC Electronics - Stereo Chorus Flanger [pcb+layout]

Last post by jazzade « 11 Apr 2021, 12:24
Replies: 182
by iznogoud » 06 Jun 2012, 10:06
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Rating: 23.4%

Ladies and gentlemen, let me introduce you the long awaited reverse of what some consider as the best chorus ever made.
It's taken from an original...
182 Replies

104620 Views

Last post by jazzade
11 Apr 2021, 12:24
Shure Level Loc Compressor

Last post by bow_and_error « 11 Apr 2021, 03:51
Replies: 21
by bow_and_error » 04 Mar 2021, 01:58
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Rating: 3.9%

Has anybody played around with the Shure Level Loc Compressor circuit before? I has popped up on a few pro audio forums ( here & here ) and I was...
21 Replies

898 Views

Last post by bow_and_error
11 Apr 2021, 03:51
Boss - BD-2 Blues Driver

Last post by The G « 10 Apr 2021, 10:49
Replies: 174
by modman » 28 Nov 2007, 22:27
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Rating: 2.4%

I couldn't resist getting one off ebay after hearing it in a demo clipof some other pedal. What I heard in the clips sounded so familiar to the ROG...
174 Replies

181074 Views

Last post by The G
10 Apr 2021, 10:49
Core Shaper Parametric Eq

Last post by kizzer « 10 Apr 2021, 10:48
Replies: 10
by dylan159 » 25 Mar 2021, 20:12

Rating: 3.2%

After showing you a couple of not-clones, here's a more original circuit I'm proud of. It's a parametric mid frequency eq with also bass and treble...

10 Replies

615 Views

Last post by kizzer
10 Apr 2021, 10:48
9V MS20 VCF

Last post by snk « 10 Apr 2021, 09:52
Replies: 13
by iloophao » 25 Apr 2009, 16:18

Rating: 1.7%

I first time to do it, i don't know is yes or not work

13 Replies

3368 Views

Last post by snk
10 Apr 2021, 09:52
Elephant SFL5 Flanger (BOSS BF-2 clone?)

Last post by ChopSauce « 10 Apr 2021, 08:19
Replies: 16
by ChopSauce » 25 Feb 2021, 08:58

Rating: 0.6%

(Request for comments)

Hi!

I've been given that

which looks like DSC08463.JPG

a clone of the Boss BF-2

yet some caps seem to be missing....

16 Replies

925 Views

Last post by ChopSauce
10 Apr 2021, 08:19
MXR - Doubleshot Distortion

Last post by hemisfeer « 10 Apr 2021, 02:01
Replies: 31
by clubsprint » 11 Dec 2008, 04:18
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One sold yesterday for $27.00. Chickenfeed

There's four other sitting on ebay ranging from .99c to $40. C'mon US buddies, buy one, lets get some...
31 Replies

12339 Views

Last post by hemisfeer
10 Apr 2021, 02:01
Cabsims... and even more cabsims

Last post by jmpj45 « 09 Apr 2021, 22:10
Replies: 68
by temol » 10 Sep 2017, 14:52
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Rating: 9.7%

I have eight different* cabsims laying on my desk. All diy work. And I have just made very short recording - for fun and for a comparison. Equipment...
68 Replies

21892 Views

Last post by jmpj45
09 Apr 2021, 22:10
Top Tone - Light Drive

Last post by bc108 « 09 Apr 2021, 18:40
Replies: 117
by MWichni » 04 Feb 2012, 10:58
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Rating: 18.2%

Welcome, I have some gut shots of the Top Tone Light Drive (thanks to one kind person). I believe this is a Pete Cornish SS-2 without an input...
117 Replies

57541 Views

Last post by bc108
09 Apr 2021, 18:40
Surfy Bear Reverb Mix Question

Last post by phatt « 09 Apr 2021, 13:42
Replies: 21
by kinski » 17 Feb 2021, 03:29
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Hoping I could get some help here.

I'd like to have indepent control of the Dry and Wet signal.

Could I modify the single mix pot and use two mix...
21 Replies

972 Views

Last post by phatt
09 Apr 2021, 13:42
VHT - Valvulator

Last post by shakti « 08 Apr 2021, 21:36
Replies: 42
by theehman » 04 Feb 2009, 17:40
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Thought someone might enjoy these shots of the VHT Valvulator. I've got it apart right now replacing the poorly designed power transformer. The...
42 Replies

19319 Views

Last post by shakti
08 Apr 2021, 21:36
Mad Professor - Stone Grey Distortion

Last post by Xavier « 08 Apr 2021, 19:51
Replies: 111
by roseblood11 » 07 Jun 2011, 09:20
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Rating: 15.8%

A friend gave me one of these pedals today. First glance: Based on CD4049ube, two 2n3819 Jfet's, one opamp. I´ll retrace it next weekend, I guess it...
111 Replies

38992 Views

Last post by Xavier
08 Apr 2021, 19:51

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