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Last post

Need help understanding circuit

Last post by phatt « Today, 12:26
Posted in DIY Projects
Replies: 7
by caspercody » 13 Apr 2021, 23:14 » in DIY Projects

Hello

I want to make a pedal out of the Nobel's Sound Studio (none of the modulations) and I am having trouble determining where the clean,...

7 Replies

259 Views

Last post by phatt
Today, 12:26
Vemuram - Jan Ray [traced]

Last post by Manfred « Today, 08:30
Posted in Boutique Stompboxes dissected...
Replies: 72
by mmolteratx » 07 Mar 2013, 03:21 » in Boutique Stompboxes dissected...
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Got this earlier this afternoon.

DSC_0008 by mmolteratx , on Flickr

DSC_0013 by mmolteratx , on Flickr

DSC_0017 by mmolteratx , on...
72 Replies

40425 Views

Last post by Manfred
Today, 08:30
MXR - Micro Chorus [schematic]

Last post by ppluis0 « Today, 01:37
Posted in Modern Stompbox Effects (1975 - ...)
Replies: 157
by bluesbreaker62 » 10 Aug 2009, 15:47 » in Modern Stompbox Effects (1975 - ...)
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Hi all,

I've been enjoying this forum for too long without contributing anything.

I hope you like it:

Pics were re-uploaded here

If you need...
157 Replies

108662 Views

Last post by ppluis0
Today, 01:37
Orange Rockerverb Preamp J201 Problems

Last post by KeenVox « Yesterday, 10:45
Posted in Pedal Debugging & Troubleshooting Support
Replies: 7
by KeenVox » 12 Mar 2021, 21:25 » in Pedal Debugging & Troubleshooting Support

Hello everyone,

happy to make my first post, sad because it starts with a problem.

I built an Orange Rockerverb Preamp based on the attached...

7 Replies

360 Views

Last post by KeenVox
Yesterday, 10:45
Gallien&Krueger 2000CPL [schematic]

Last post by jmpj45 « Yesterday, 00:25
Posted in Amplifiers
Replies: 9
by jmpj45 » 16 Apr 2021, 22:51 » in Amplifiers

I'm trying to adjust the internal trimmers for the gain stages. I looked up the service manual it says adjust trimmers for 1.4 v on pins 1 and 7 on...

9 Replies

224 Views

Last post by jmpj45
Yesterday, 00:25
Aion fx oceanid compressor

Last post by AndrewGallios « 18 Apr 2021, 22:25
Posted in Pedal Debugging & Troubleshooting Support
Replies: 6
by AndrewGallios » 13 Apr 2021, 09:35 » in Pedal Debugging & Troubleshooting Support

hi

i bought the oceanid pcb from aion fx
i built it and it was fine until i tested the buffered or truebypass section of the small pcb on the...

6 Replies

250 Views

Last post by AndrewGallios
18 Apr 2021, 22:25
Olson Fuzz Master [schematic]

Last post by george giblet « 18 Apr 2021, 22:25
Posted in Vintage Stompbox Corner ( ... - 1975)
Replies: 5
by pinkjimiphoton » 17 Apr 2021, 19:47 » in Vintage Stompbox Corner ( ... - 1975)

man, i wish lucifer's trip was still around... dave! we miss ya! :icon_twisted:

anyways, for no particular reason this caught my eye the other day...

5 Replies

200 Views

Last post by george giblet
18 Apr 2021, 22:25
Sunn Beta Bass preamp schematic

Last post by DiscoVlad « 18 Apr 2021, 21:35
Posted in Amplifiers
Replies: 106
by arcaarca » 15 Feb 2015, 18:25 » in Amplifiers
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Hi everyone!
Hope the topic is in the right area.
I'm updating the ugly jpg schematic of this amp, now I've made only a single channel version,...
106 Replies

64759 Views

Last post by DiscoVlad
18 Apr 2021, 21:35
BAJA LA2A Style Optical Limiter [documentation]

Last post by snk « 17 Apr 2021, 22:27
Posted in DIY Projects
Replies: 102
by bajaman » 25 Nov 2007, 09:52 » in DIY Projects
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Hello my friends
I am particularly proud and pleased with this new project - I have just completed the working prototype - pictures to follow :wink:...
102 Replies

26167 Views

Last post by snk
17 Apr 2021, 22:27
Maestro Envelope Modifier - ME-1 debugging

Last post by gigelmargel « 17 Apr 2021, 21:48
Posted in Vintage Stompbox Corner ( ... - 1975)
Replies: 20
by bandus » 21 May 2019, 18:27 » in Vintage Stompbox Corner ( ... - 1975)
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Dear reader!

I have a vintage Maestro Envelope Modifier on my bench. It acts strangely and doesn't really match my expectations.
In my...
20 Replies

5837 Views

Last post by gigelmargel
17 Apr 2021, 21:48
Shure Level Loc Compressor

Last post by bow_and_error « 17 Apr 2021, 17:44
Posted in Printed/Published Online Designs
Replies: 25
by bow_and_error » 04 Mar 2021, 01:58 » in Printed/Published Online Designs
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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...
25 Replies

1175 Views

Last post by bow_and_error
17 Apr 2021, 17:44
WANTED – UK made AB and Dubilier 50K log pots

Last post by Souleyman « 17 Apr 2021, 15:12
Posted in Stuff Seen for Sale

by Souleyman » 17 Apr 2021, 15:12 » in Stuff Seen for Sale

Hey guys.
Asking just in case. If you have exactly these kind of pots and with noted value and taper I’d be very happy to buy it from you.
I’m not...

0 Replies

57 Views

Last post by Souleyman
17 Apr 2021, 15:12
Pearl Chorus Ensemble CE-22 [schematic]

Last post by GorillaHuman « 17 Apr 2021, 13:58
Posted in Modern Stompbox Effects (1975 - ...)
Replies: 17
by rfx » 05 Jul 2011, 21:54 » in Modern Stompbox Effects (1975 - ...)

Cant find much about this one. so here are guts.
if there are questions please post

DSC01402.JPG
DSC01398.JPG
DSC01401.JPG

Rfx

Moderator:...

17 Replies

5883 Views

Last post by GorillaHuman
17 Apr 2021, 13:58
Trip Hazard Optical Disruptor - Assymetric Optical Compressor/Low-Freq Saturator

Last post by bmxguitarsbmx « 16 Apr 2021, 23:50
Posted in Boutique Stompboxes dissected...
Replies: 6
by bow_and_error » 29 Aug 2020, 20:36 » in Boutique Stompboxes dissected...

So I recently built the Bajaman Optical Limiter and loved it. It's warm & responsive on bass/baritone guitar, and is better than my Xotic SP at...

6 Replies

1401 Views

Last post by bmxguitarsbmx
16 Apr 2021, 23:50
Etienne Lemery, Double Tremolo and Ring Modulator, in: Electronique Pratique, June 1977

Last post by Manfred « 16 Apr 2021, 13:47
Posted in Davidoff Library
Replies: 1
by modman » 07 Apr 2021, 13:05 » in Davidoff Library

Complete article in French in PDF (6 pages): Double Tremolo Ring Modulator HP77_1606.pdf

Schematic and layout:

Double Tremolo Ring Modulator...

1 Replies

270 Views

Last post by Manfred
16 Apr 2021, 13:47
Vox - SATCHURATOR pedal [schematic]

Last post by mbender « 16 Apr 2021, 10:05
Posted in Modern Stompbox Effects (1975 - ...)
Replies: 111
by ODwan » 02 Apr 2008, 16:57 » in Modern Stompbox Effects (1975 - ...)
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Anyone has info about that one, yet? Interview with Satch says that they spend several weeks with Vox's R&D team at his house and actually doin' some...
111 Replies

58209 Views

Last post by mbender
16 Apr 2021, 10:05
Type C. OD (reworked OCD) [documentation]

Last post by plush « 16 Apr 2021, 09:42
Posted in DIY Projects
Replies: 12
by dylan159 » 15 Apr 2021, 13:32 » in DIY Projects

I can't deny that I've always enjoyed the sound of the OCD, my first veroboard build, but I had a couple of issues with it which I finally decided to...

12 Replies

255 Views

Last post by plush
16 Apr 2021, 09:42
Top Tone - Light Drive [traced]

Last post by bc108 « 16 Apr 2021, 02:44
Posted in Boutique Stompboxes dissected...
Replies: 118
by MWichni » 04 Feb 2012, 10:58 » in Boutique Stompboxes dissected...
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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...
118 Replies

57924 Views

Last post by bc108
16 Apr 2021, 02:44
Rockman X100 - Make it a DIY Pedal

Last post by VivMeLol « 15 Apr 2021, 11:30
Posted in Modern Stompbox Effects (1975 - ...)
Replies: 177
by FeVeR2112 » 28 Oct 2020, 23:44 » in Modern Stompbox Effects (1975 - ...)
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I have been wanting to do this for decades.... Make a pedal that has the Rockman Distortion sound. The chorus and echo would be other pedals.

I...
177 Replies

17213 Views

Last post by VivMeLol
15 Apr 2021, 11:30
MXR M288 Bass Octave Deluxe [gut shots, tracing]

Last post by Jarno « 15 Apr 2021, 08:36
Posted in Modern Stompbox Effects (1975 - ...)
Replies: 18
by Oloorin » 13 Aug 2019, 20:35 » in Modern Stompbox Effects (1975 - ...)

Hello,

I had recently a possibility to take some board pictures of MXR Bass Octave Deluxe.
I also tried to trace as many path as I could.

All...

18 Replies

3863 Views

Last post by Jarno
15 Apr 2021, 08:36
Chambre d'echo, Le Haut-Parleur, April 1973

Last post by Jarno « 15 Apr 2021, 08:30
Posted in Davidoff Library
Replies: 1
by modman » 15 Apr 2021, 07:39 » in Davidoff Library

Full article in hi-res PDF: Chambre d echo HP1401_19-04-1973.pdf

Chambre d echo HP1401_19-04-1973.jpg Chambre d echo HP1401_19-04-1973 2.jpg...

1 Replies

108 Views

Last post by Jarno
15 Apr 2021, 08:30
60W EL34 tube amp, in: Quattrocose, February 1967

Last post by ppluis0 « 15 Apr 2021, 03:45
Posted in Davidoff Library
Replies: 1
by modman » 14 Apr 2021, 09:30 » in Davidoff Library

Complete article in pdf: Quattrocose 1967_02.pdf

Quattrocose 1967_02 04.jpg
Quattrocose 1967_02 03.jpg
Quattrocose 1967_02 bom.jpg

1 Replies

218 Views

Last post by ppluis0
15 Apr 2021, 03:45
Earthquaker Devices Palisades [traced]

Last post by slackshampoo « 14 Apr 2021, 23:15
Posted in Boutique Stompboxes dissected...
Replies: 35
by JorisBlack » 08 Jun 2014, 21:51 » in Boutique Stompboxes dissected...
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Hey all,

I'm looking for a schematic (or even better: a vero layout) of the Earthquaker Devices Palisades overdrive. This thing is a PGS exclusive,...
35 Replies

15753 Views

Last post by slackshampoo
14 Apr 2021, 23:15
BAJA Korg CX3 Rotary Effect [documentation]

Last post by temol « 14 Apr 2021, 20:13
Posted in DIY Projects
Replies: 138
by bajaman » 02 Oct 2007, 10:35 » in DIY Projects
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Hi folks
As promised my version of the KORG CX3 1980's portable organ Rotary Effect.
This is definately not a project for beginners ( not another...
138 Replies

29125 Views

Last post by temol
14 Apr 2021, 20:13
Vibraclone TC electronics info?

Last post by modman « 14 Apr 2021, 19:09
Posted in Modern Stompbox Effects (1975 - ...)
Replies: 1
by cbriere » 14 Apr 2021, 14:44 » in Modern Stompbox Effects (1975 - ...)

Any info on this pedal?
schematics?
based on what IC/circuit?

i like the sound of the pedal. Fits my need for SRV and general Leslie tones.
but i...

1 Replies

111 Views

Last post by modman
14 Apr 2021, 19:09

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