Vintage Stompbox Corner ( ... - 1975)

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Stompbox Schematics Index

Last post by Ben N « 14 Jan 2020, 09:59
Replies: 11
by modman » 29 Dec 2007, 15:57

Rating: 1.1%

A/DA
A/DA Flanger schematic & project files

Acetone
Acetone FM-2 schematic & project files

Amplifier Coorporation of America
Fuzz King schematic...

11 Replies

201940 Views

Last post by Ben N
14 Jan 2020, 09:59

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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
Mu-Tron Bi-Phase Oscillators - why are they so different? [schematic]

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

77 Views

Last post by andy-h-h
Yesterday, 10:40
Marlboro - Quadra Sound Blender QBS [schematic]

Last post by rocket512 « 08 Apr 2021, 01:01
Replies: 35
by Zokk » 17 Jan 2012, 01:40
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Rating: 6.9%

Hey folks

I'm not sure of the manufacturing date of my unit... I hope I post in the good section.

I've done a full recap on my old QSB as it was...
35 Replies

27376 Views

Last post by rocket512
08 Apr 2021, 01:01
Shin-ei/Jax - 8Tr Fuzz Wah [schematic]

Last post by kizzer « 03 Apr 2021, 18:15
Replies: 50
by picker » 13 Jul 2009, 15:21
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Rating: 0.2%

Way back in 1971, I bought a combination fuzz/wah pedal at a local music store. The manufacturer name on it was Jax, but I have since found out it...
50 Replies

14717 Views

Last post by kizzer
03 Apr 2021, 18:15
Troublemaster

Last post by fuzzbunny « 02 Apr 2021, 02:20
Replies: 7
by cspar » 31 Mar 2021, 03:05

Rating: 0.2%

I got this today off a dusty second hand shelf. I can't find any reference to it on the internet and am not sure who made it or what the intended...

7 Replies

369 Views

Last post by fuzzbunny
02 Apr 2021, 02:20
MusicMan Phasor

Last post by dbrdly « 02 Apr 2021, 02:13
Replies: 9
by seniorLoco » 10 Dec 2007, 03:47

Rating: 0.4%

musinman hd150 Phasor i like :D

Just wanted to throw this here to see if anyone else wants to build just the PHASOR ... as it's perrty good...

9 Replies

2870 Views

Last post by dbrdly
02 Apr 2021, 02:13
MXR - Phase 100 [schematic]

Last post by DjPsychic « 30 Mar 2021, 02:12
Replies: 38
by Professor SourTone » 13 Mar 2008, 16:12
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Rating: 2.6%

Script, Block/no LED, Block with LED

Is the Block/no LED the good value option, or does it really have to be script?
38 Replies

29544 Views

Last post by DjPsychic
30 Mar 2021, 02:12
Park - Auto Wah [schematic]

Last post by snk « 27 Mar 2021, 17:15
Replies: 32
by analogguru » 18 Feb 2008, 01:05
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2
Rating: 7.1%

Interesting, I have never seen this before:

Somebody else ?

analogguru
32 Replies

9784 Views

Last post by snk
27 Mar 2021, 17:15
1977 Morley Evo-1 Oil Can Echo-Delay Restoration

Last post by CheapPedalCollector « 08 Mar 2021, 03:27
Replies: 2
by karul » 07 Mar 2021, 14:20

Rating: 0.4%

p.s. maybe the Vintage Stompbox Corner ( ... - 1975) forum section was a better place for the video

2 Replies

302 Views

Last post by CheapPedalCollector
08 Mar 2021, 03:27
Maestro EP3 T70-T2 Bias Oscillator Question [schematic]

Last post by pmkipp « 05 Mar 2021, 03:50
Replies: 7
by pmkipp » 15 Jan 2020, 17:48

Rating: 0.4%

I have been rebuilding an old EP3 and have hit a snag, mostly from the where do I find this? corner.

Someone before me had wired in a new power...

7 Replies

2797 Views

Last post by pmkipp
05 Mar 2021, 03:50
Schaller - Fuzz (Germanium) [schematic]

Last post by Schoppo « 20 Feb 2021, 19:36
Replies: 50
by Schoppo » 04 Sep 2018, 13:45
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Rating: 5.6%

Hello,
at least, after Hundreds of Years of research (aprox.) I found some Picture of the Backside from the Original Schaller GE Fuzz.
made some PCB...
50 Replies

16263 Views

Last post by Schoppo
20 Feb 2021, 19:36
Echoplex EP3 project

Last post by rockola « 16 Feb 2021, 06:07
Replies: 1
by aka180 » 15 Feb 2021, 19:57

what is a good replacement for q5 that is still in production? I was just looking on mouser and it appears that usuals are now out of...

1 Replies

454 Views

Last post by rockola
16 Feb 2021, 06:07
Maestro SS-3 sustainer pots

Last post by aka180 « 15 Feb 2021, 19:19
Replies: 8
by aka180 » 07 Nov 2020, 06:38

Rating: 0.2%

I just picked up one of these and it's been pretty glitchy. I tried cleaning the pots but they still seemed bad. The level pot was cutting right out...

8 Replies

969 Views

Last post by aka180
15 Feb 2021, 19:19
Complete Maestro Service Manual, indexed PDF

Last post by aka180 « 15 Feb 2021, 15:41
Replies: 6
by modman » 14 Jan 2021, 18:39

Rating: 7.6%

A very nice guy called Joe Palermo was going through some stuff and found this. He decided to donate the high quality pictures he took to a facebook...

6 Replies

1112 Views

Last post by aka180
15 Feb 2021, 15:41
Maestro Phase Shifter PS-1A (197x)

Last post by TWSpedals « 14 Feb 2021, 02:57
Replies: 34
by modman » 01 Jan 2008, 23:07
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Rating: 0.4%

Here's some background info, don't know about accuracy though:

Discofreq links to a schemo :
34 Replies

13388 Views

Last post by TWSpedals
14 Feb 2021, 02:57
Binson e4t feedback

Last post by Manfred « 09 Feb 2021, 00:19
Replies: 12
by lukehead » 05 Jan 2021, 08:09

Hi guys,
my english is bad so I bounce presentation and my sentences will be short and some time these last could be strange.. I beg your pardon for...

12 Replies

984 Views

Last post by Manfred
09 Feb 2021, 00:19
Mark II Rotosphere repair tech

Last post by mtilbury « 07 Feb 2021, 15:44

by mtilbury » 07 Feb 2021, 15:44

HI, I am new to the forum. I have a Hughes Ketner Mark II Rotosphere. It's in need of repair. The effects aren't turning on, and the bypass isn't...

0 Replies

514 Views

Last post by mtilbury
07 Feb 2021, 15:44
Böhm- Trickverzerrer [schematic]

Last post by Manfred « 06 Feb 2021, 22:59
Replies: 48
by SonicDaeath » 31 Mar 2012, 21:40
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Rating: 10.6%

I could have sworn there was a thread devoted to this pedal, but after using the the search function I could not find it.

Factory schematic:...
48 Replies

11570 Views

Last post by Manfred
06 Feb 2021, 22:59
Gibson Maestro G-1 Rhythm 'N Sound [schematic]

Last post by pinkjimiphoton « 01 Feb 2021, 00:54

by pinkjimiphoton » 01 Feb 2021, 00:54

Rating: 0.9%

had this thing on my bench for years, someone asked for a scan of the g2, ooops. this is the earlier one.
enjoy.

ScanImage001.jpg...

0 Replies

786 Views

Last post by pinkjimiphoton
01 Feb 2021, 00:54
Ibanez - UE400 and UE405 [schematic]

Last post by OldJames1979 « 23 Jan 2021, 10:59
Replies: 22
by drbob1 » 29 Aug 2011, 00:28
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Rating: 1.9%

Looks like this thread got lost during the great downtime? Just a quick recap:

These are essentially rackmount versions of the Ibanez stompboxes of...
22 Replies

28841 Views

Last post by OldJames1979
23 Jan 2021, 10:59
Original Schematic Uni-Vibe (old one)

Last post by The Rotagilla « 22 Jan 2021, 20:59
Replies: 27
by solderboy » 07 Nov 2007, 18:24
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Rating: 2.2%

Hi There,

as i grub into my saved Schematics.. i found an old Operating Manual of an old Uni-Vibe (first Version i think)
its a Scan of that Manual...
27 Replies

23297 Views

Last post by The Rotagilla
22 Jan 2021, 20:59
Steven Space Chorus CH-12

Last post by Nocentelli « 18 Jan 2021, 23:02
Replies: 2
by Matlevo12 » 16 Jan 2021, 14:04

Rating: 0.2%

Hi !
Since there seems to be no trace of this pedal on the internet (that I could find, at least), here's one !
It's exactly what it looks like : a...

2 Replies

430 Views

Last post by Nocentelli
18 Jan 2021, 23:02
Mosrite - Fuzzrite [schematic]

Last post by mozz « 15 Jan 2021, 21:57
Replies: 107
by analogguru » 05 Apr 2010, 17:50
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Rating: 5%

This is the start of this thread for the Mosrite Fuzzrite cause we don´t have one.

Some infos can be found here:

analogguru
107 Replies

97005 Views

Last post by mozz
15 Jan 2021, 21:57
Maestro Envelope Modifier - ME-1 debugging

Last post by CheapPedalCollector « 10 Jan 2021, 17:36
Replies: 19
by bandus » 21 May 2019, 18:27

Rating: 4.1%

Dear reader!

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

19 Replies

5708 Views

Last post by CheapPedalCollector
10 Jan 2021, 17:36
Fender - Fuzz Wah ( 1st edition ) [schematic]

Last post by elmenco « 28 Dec 2020, 16:43
Replies: 32
by audioforge » 08 Nov 2010, 20:35
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2
Rating: 7.1%

Hi
few days ago a guy give me a fender fuzz wah pcb. unfortunately he had throw away the pedal box many years ago and just keep the pcb. it s the...
32 Replies

17388 Views

Last post by elmenco
28 Dec 2020, 16:43

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