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Last post

Changing gain pot value in Boss SD-1 mod

Last post by Manfred « Today, 22:40
Posted in Pimp-My-Cheap-Pedal
Replies: 3
by SpikeVelvet » Today, 16:07 » in Pimp-My-Cheap-Pedal

I am not sure I really understand how pot value works for the gain control in a circuit. I'm hoping somebody can explain like I am 5.

I modified an...

3 Replies

32 Views

Last post by Manfred
Today, 22:40
TC Electronic BLD Booster Line Driver, weird bypass/LED troubleshooting

Last post by Visualdistortion « Today, 21:31
Posted in Pedal Debugging & Troubleshooting Support

by Visualdistortion » Today, 21:31 » in Pedal Debugging & Troubleshooting Support

Hi guys,
I get a broken BLD pedal few months ago, after get a sound. by changing few components, I leave it until now.
So I try to fully repair it,...

0 Replies

16 Views

Last post by Visualdistortion
Today, 21:31
Boss TW-1 issue

Last post by x-tn « Today, 16:37
Posted in Modern Stompbox Effects (1975 - ...)
Replies: 8
by Stevenrb718 » 20 Jan 2021, 17:05 » in Modern Stompbox Effects (1975 - ...)

I have a Boss TW-1 that doesn't power up. The bypassed signal is always present. The LED doesn't light, but the momentary switch is tested good. The...

8 Replies

238 Views

Last post by x-tn
Today, 16:37
Help me to choose amplifier

Last post by RnFR « Today, 10:29
Posted in Amplifiers
Replies: 3
by 1980toywagon » Yesterday, 19:25 » in Amplifiers

Hey guys. My girlfriend is musician and I want to buy her amplifier for her guitar on her birthday. I'm a greener in this and know almost nothing...

3 Replies

112 Views

Last post by RnFR
Today, 10:29
Suhr Reactive Load [schematic]

Last post by evh0u812 « Today, 08:11
Posted in Amplifiers
Replies: 75
by soulsonic » 14 Jul 2020, 04:47 » in Amplifiers
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Based on conversations I've been having lately with Modman, I decided to pick up an upmarket load box to see what that's all about. I had...
75 Replies

7462 Views

Last post by evh0u812
Today, 08:11
Function f(x) Clusterfuzz [traced]

Last post by orangetones « Today, 04:54
Posted in Boutique Stompboxes dissected...
Replies: 50
by TV-Set » 23 Oct 2015, 23:35 » in Boutique Stompboxes dissected...
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Hello!
Anybody had a chance to get a hold of one of those? Or at least any ideas at what the circuit might resemble?
This fuzz box sounds massive!...
50 Replies

15203 Views

Last post by orangetones
Today, 04:54
Rockman X100 - Make it a DIY Pedal

Last post by Carvindc125 « Yesterday, 23:09
Posted in Modern Stompbox Effects (1975 - ...)
Replies: 140
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...
140 Replies

10429 Views

Last post by Carvindc125
Yesterday, 23:09
Pladask Elektrisk - Workshop delay help!

Last post by tome.talevski « Yesterday, 19:59
Posted in Pedal Debugging & Troubleshooting Support
Replies: 2
by tome.talevski » 21 Jan 2021, 05:57 » in Pedal Debugging & Troubleshooting Support

Hello! Hope you're all having a good start to the new year. :)

Just finished putting together the pladask elektrisk - workshop delay that's been...

2 Replies

133 Views

Last post by tome.talevski
Yesterday, 19:59
Update to Duncan's TSC

Last post by olivergardiner « Yesterday, 14:23
Posted in Software Room
Replies: 5
by olivergardiner » 09 Dec 2020, 20:43 » in Software Room

Duncan's TSC has been a fantastic resource for me in terms of designing amps but it is constrained by its roots in Delphi and so is difficult to...

5 Replies

888 Views

Last post by olivergardiner
Yesterday, 14:23
Ibanez - UE400 and UE405 [schematic]

Last post by OldJames1979 « Yesterday, 10:59
Posted in Vintage Stompbox Corner ( ... - 1975)
Replies: 22
by drbob1 » 29 Aug 2011, 00:28 » in Vintage Stompbox Corner ( ... - 1975)
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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

27411 Views

Last post by OldJames1979
Yesterday, 10:59
MOOG Moogerfooger MF-103 12-Stage Phaser [schematic]

Last post by djathey « Yesterday, 04:06
Posted in Modern Stompbox Effects (1975 - ...)
Replies: 57
by raindog » 24 May 2011, 18:51 » in Modern Stompbox Effects (1975 - ...)
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Not verified!
57 Replies

35594 Views

Last post by djathey
Yesterday, 04:06
A.E. Donkin, Transistorized Tremolo, Popular Electronics, July 1962

Last post by modman « 22 Jan 2021, 21:27
Posted in DIY Stompbox designs

by modman » 22 Jan 2021, 21:27 » in DIY Stompbox designs

Poptronics-1962-07-Transistorized Tremolo.zip

Poptronics-1962-07-OCR-Page-0051.jpg Poptronics-1962-07-OCR-Page-0052.jpg...

0 Replies

220 Views

Last post by modman
22 Jan 2021, 21:27
Original Schematic Uni-Vibe (old one)

Last post by The Rotagilla « 22 Jan 2021, 20:59
Posted in Vintage Stompbox Corner ( ... - 1975)
Replies: 27
by solderboy » 07 Nov 2007, 18:24 » in Vintage Stompbox Corner ( ... - 1975)
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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

22128 Views

Last post by The Rotagilla
22 Jan 2021, 20:59
EMG Active Pickup Circuit?

Last post by papasteack « 22 Jan 2021, 11:11
Posted in Ready-To-Build Effect Projects
Replies: 210
by soulsonic » 03 Nov 2007, 19:19 » in Ready-To-Build Effect Projects
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I was wondering, does anyone have a schematic for the basic circuit EMG uses in their active pickups? It looks like it would be a hard trace since...
210 Replies

76176 Views

Last post by papasteack
22 Jan 2021, 11:11
9v battery goes to 4.5v when plugged into a stompbox

Last post by plush « 22 Jan 2021, 08:40
Posted in Pedal Debugging & Troubleshooting Support
Replies: 4
by babythomas » 16 Jan 2021, 12:18 » in Pedal Debugging & Troubleshooting Support

A have a broken guitar pedal that doesn't work. It's not true bypass and the signal on the output is the same as the one on the input, plus the...

4 Replies

173 Views

Last post by plush
22 Jan 2021, 08:40
Tube Works Bass Driver

Last post by camljenkins94 « 21 Jan 2021, 17:50
Posted in Modern Stompbox Effects (1975 - ...)
Replies: 1
by drewl » 21 Jan 2021, 16:25 » in Modern Stompbox Effects (1975 - ...)

Got one of the Butler Tube Works 12AX7 Bass Driver pedals
Looks similar to the RT-903 Smooth, but in the smaller blue box, five knob.

It seems to...

1 Replies

118 Views

Last post by camljenkins94
21 Jan 2021, 17:50
MXR - Phase 100 [schematic]

Last post by Smoky Black « 21 Jan 2021, 02:50
Posted in Vintage Stompbox Corner ( ... - 1975)
Replies: 37
by Professor SourTone » 13 Mar 2008, 16:12 » in Vintage Stompbox Corner ( ... - 1975)
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Script, Block/no LED, Block with LED

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

28183 Views

Last post by Smoky Black
21 Jan 2021, 02:50
Böhm- Trickverzerrer [schematic]

Last post by Manfred « 20 Jan 2021, 22:53
Posted in Vintage Stompbox Corner ( ... - 1975)
Replies: 42
by SonicDaeath » 31 Mar 2012, 21:40 » in Vintage Stompbox Corner ( ... - 1975)
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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:...
42 Replies

9849 Views

Last post by Manfred
20 Jan 2021, 22:53
MXR Fullbore Metal is dead. What now?

Last post by Manfred « 20 Jan 2021, 12:27
Posted in Pedal Debugging & Troubleshooting Support
Replies: 3
by BassedTaz » 19 Jan 2021, 10:04 » in Pedal Debugging & Troubleshooting Support

Hi guys, I have a dead mxr fullbore. It was working fine, but spent time at various buddy's places and is now totally dead. No LEDs, no sound with...

3 Replies

110 Views

Last post by Manfred
20 Jan 2021, 12:27
Steven Space Chorus CH-12

Last post by Nocentelli « 18 Jan 2021, 23:02
Posted in Vintage Stompbox Corner ( ... - 1975)
Replies: 2
by Matlevo12 » 16 Jan 2021, 14:04 » in Vintage Stompbox Corner ( ... - 1975)

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

232 Views

Last post by Nocentelli
18 Jan 2021, 23:02
Mad Professor - Simble [traced]

Last post by OC26 « 18 Jan 2021, 18:00
Posted in Boutique Stompboxes dissected...
Replies: 68
by ipm » 27 May 2014, 21:36 » in Boutique Stompboxes dissected...
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Anyone?
I would really like to know what is it all about!
68 Replies

32182 Views

Last post by OC26
18 Jan 2021, 18:00

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