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...

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...

Hi, I'm a novice with DIY stompboxes. I want to buy a Fuzzdog kit that looks good. I have a very basic question:

How is the PCB mounted in the metal...

112 pages explaining how to deal with electronic failures, lab equipment and things like that:

Complete explanation about condensers, resistors,...

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

Schematic and layout:

Double Tremolo Ring Modulator...

Elementary-Electronics-1979-07-08-OCR-Page-0027.jpg Elementary-Electronics-1979-07-08-OCR-Page-0028.jpg...

Fuzz and Treble Booster
Hi-Res PDF: HP 1967 Distorsion.pdf

HP 1967 Distorsion 01.jpg HP 1967 Distorsion 02.jpg

Everyday-Electronics-1981-01-OCR-Page-0042.jpg Everyday-Electronics-1981-01-OCR-Page-0043.jpg Everyday-Electronics-1981-01-OCR-Page-0044.jpg...

I bought this pedal “for parts/not working” off eBay. I have disassembled it and it was immediately obvious something nasty had happened on the lower...

The original article that was the basis for the EA (Electronics Australia) Tremolo, and various projects like:...

Full article in PDF: Poptronics-1971-04 Craig Anderton Timbre Gate.pdf

Poptronics-1971-04 Craig Anderton Timbre Gate.jpg Poptronics-1971-04 Craig...

Complete article, hi-res PDF: Radio Electronics Contructor Jan 81 Fuzzbox.pdf

RC-1981-01-OCR-Page-0034.jpg RC-1981-01-OCR-Page-0035.jpg...

As I continue my quest of identifying cheap vintage boss clones I found this pedal.

And from what I traced it is... a boss HM-2 Heavy Metal...

Hi there, does anyone have any experience. Mine stopped working last week and now seems to only self generate its own sound...thanks

Full article in hi-res pdf: Practical-Electronics-1976-04.pdf

Practical-Electronics-1976-04 00.jpg

Hi,

I just got one of these little plastic Boss clones (plastic but sturdy, not behringer-style at all), I wanted to have a look at the circuit....

The circuit I've just drawn up (see below) was my first attempt at a phaser way back in 1972. The circuit was developed at Texas Instruments in...

Ernestfuzz def.pdf

Screen Shot 2021-02-08 at 21.27.50.jpg
Screen Shot 2021-02-08 at 21.27.24.jpg

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...

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...

Hi guys, need some advice. Just finished and fired up TS 9 clone. Here's the layout:

My changes compared to the layout are minor: 20k lin tone...

Guitar Tripler Electronics Illustrated 09 1969.jpg
Guitar Tripler Electronics Illustrated 09 1969 b.jpg
Guitar Tripler Electronics Illustrated 09...

Hello and thank you in advance to those who could help me.

My project consists in transforming all my guitar pedals into a eurorack type rack, to...

Does anyone have any gutshots of the foot pedal wiring loom when connected to the main board? Mine’s goosed and needs replacing.

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,...