PDF: Electronics-Today-1974-12 Spring Reverberation unit.pdf

Electronics-Today-1974-12 Spring Reverberation unit 01.jpg Electronics-Today-1974-12 Spring Reverberation unit 02.jpg Electronics-Today-1974-12 Spring Reverberation unit 03.jpg Electronics-Today-1974-12 Spring Reverberation unit 04.jpg Electronics-Today-1974-12 Spring Reverberation unit 05.jpg

PDF: Electronics-Illustrated-1966-07 Tape Compressor.pdf

Electronics-Illustrated-1966-07 Tape Compressor 1.jpg Electronics-Illustrated-1966-07 Tape Compressor 2.jpg Electronics-Illustrated-1966-07 Tape Compressor 3.jpg Electronics-Illustrated-1966-07 Tape Compressor 4.jpg

PDF: ATR-1965-10-OCR-Page-0017 Volume Compressor Circuit.pdf

ATR-1965-10-OCR-Page-0017 Volume Compressor Circuit.jpg

Hello everyone!

I bought an 1989 MIJ Boos DD3 long chip version that didn´t work. After doing some measuring i recap all electolitycs and the pedal come back to life. But (allways a but) when the pedal is on i only have delay signal on the output. Studying the service manual i notice that Q8 and Q5 switch between on/off for stereo mode when you plug direct out and output at the same time. I don´t understand why Q5 its working like this and i don´t know where to continue lookinf for the fault....

Really low resolution schematic... just how they came, but there is more info here .

Screen Shot 2023-10-12 at 13.04.13.png

ohn Barbour History of 12AX7 Vacuum-Tube-Valley-Issue-01 J.pdf

Hey all.

I've recently finished this build with success (confirmed by me also). This one base on solely the schematics which had been shared here -from the 80's. But I'll need to ask a couple of things.

1- Biggest issue is, I have A and B tapered pots. I've tried A1M (only works good in reverse), B1M and B2M. Neither of them has an equal rising response on rate because the circuit itself needs a C1M pot and I can't find any in Turkey. Is it possible to convert any B pot into a C one? I've...

Hi and thanks in advance for any help you can offer. I have built 4 diy pedals so far that have worked as expected. There are some others that I simply cannot figure out what's wrong. I'm currently trying to build a Rebote 2.5. I am using the tonepad layout and there will be some mods I would like to try but first things first. I'd like to plug this in and have it work as expected.

What I know:
1. True bypass works: switching off the effect allows dry signal through
2. Switching ON the effect...

The NG-3 was supposedly just a NG-2 with the bias control made external. The NG-2 was said to have been traced in 2018, but this NG-3 has absolutely nothing in common with that trace, so I'm not sure what to make of it.

Schematic:
cornish_ng3_trace_schematic.png

Whatever the case, there are still some unsolved mysteries regarding the NG-2, so if anyone has some photos (and can get some different angles than the ones in the 2008 FSB thread ) then it would go a long way!

Full tracing...

Hi,

i'm the founder of LEMON Amps , and here is the schematic of the Night Screamer.

Night Screamer-V2.pdf

Cheers

Hi,

i'm the founder of LEMON Amps , and here is the schematic of the T bone Distortion.

T-bone.pdf

Cheers

After finishing the Disappearing Act ducking spring reverb, I decided to do a version that uses the Belton brick for people who want something smaller footprint or who want some other features. I chose the BTDR-3 since it can do adjustable decay time and stereo output. The Escape Artist uses the same envelope follower topology, but the reverb path is different. The optical compression is the same, though tailored for the output of the brick. It's capable of huge washes. It can also do mono or...

Hello,

I'm Im in a but if a J Mascis rabbit hole and have been trying to get as much info on the deluxe big muff as I possibly can with not much information publicly posted. Here's kinda what I have so far

EH1318: first version 77/8

EH1330: switched to long printed board
EH1330A

EH3053
EH3053A
EH3053B
EH3053C

EH3054: switch to short boards, units here on our commonly have ghost buzz when bypassed. Soul preacher switched for 3080 compressor?
EH3054A
EH3054B
EH3054C: series parallel units...

Found this while browsing various Russian parts so thought I’d share it.

Japanese with English. Nice photos of old components.

And a Transistor Museum linked from that site:

:shock:

Moved to the debugging subthread

Substi-torial for transistors.pdf

Substi-torial for transistors 01.jpg Substi-torial for transistors 02.jpg Substi-torial for transistors 03.jpg Substi-torial for transistors 04.jpg

Has anybody ever built this circuit?
The description sounds interesting, but I couldn't find a layout.

Fred Briggs disappeared from the scene some years ago.

Hi guys,

I just built a Rangemaster clone with point-to-point wiring (dead bug?) and it seems to work fine with a battery, but when I plug in the power supply I get this constant thumping noises. Also the LED doesn’t come on with either the battery or the power supply. I know the LED is alive and the polarity is right because when I attach the battery snap directly to the LED it lights up. Also also, I’m not sure if this is how it’s supposed to be (never have played the original) but when it’s...

Just bought a DIY Landtone Delay pedal last week but can't manage to make it work after double checking and resoldering each component. The effect itself is not being generated when the pedal is activated.

HELP!!!! I have been given an amazing 90s George Dennis Vol/Distortion pedal. It's a GD100 Wizard Rock ( Not the Wizard Blues ). A beast in both tone and size.
The Dist circuit is a high gain (yet quiet) 90s distortion with warmth/depth and a great 'character'. I would love to be able to get the DIST pedal in a small box on its own, but I don't know what it's based on. Or at least a schematic so that I can build my own. As I said, just the Dist/Gain circuit - no volume. Anybody familiar with it?

Not my work, I just found it and made it into a PDF.

Now you can make an original copy.
(I cannot personally confirm if it’s confirmed)

Source:
www.ausfahrt.blogspot.com/2023/01/triangle-big-muff-perfboard-layout.html

BMP Triangle Perfboard Layout.pdf

Hi,

I've built the bootleg / moonshine clone from .
One thing that makes little sense to me is that the volume and blend have very similar effect since the direct signal is not affected by the volume pot. This is confirmed by looking at the schematic at .

* Does anybody have access to a moonshine and confirm that this is indeed the case? I somehow recall Josh Scott mentioning that the moonshine schematics online were wrong.
* How would I modify the pedalPCB schematic to move the volume to...

here's an inside photo