A wah pedal that has a manual and an auto mode setting?
Complete article in PDF: Le HAUT-PARLEUR n°1414 19 Juillet 1973 Waa Waa.pdf
Le HAUT-PARLEUR n°1414 19 Juillet 1973 Waa Waa 01.jpg Le HAUT-PARLEUR n°1414 19 Juillet 1973 Waa Waa 02.jpg Le HAUT-PARLEUR n°1414 19 Juillet 1973 Waa Waa 03.jpg
Product Description: The definitive guide to switchmode power supply design--fully updated
Covering the latest developments and techniques, Switchmode Power Supply Handbook, third edition is a thorough revision of the industry-leading resource for power supply designers. New design methods required for powering small, high-performance electronic devices are presented. Based on the authors' decades of experience, the book is filled with real-world solutions and many...
Amaterske Radio 2004-10 Double Tremolo 01.jpg
Amaterske Radio 2004-10 Double Tremolo 02.jpg
In Czech, but here is a rough translation from Google:
A tremolo is a circuit that periodically changes the level of a passing signal.
In this case, it is supplemented by a two-position switch, which allows the signal to be corrected by frequency.
Description
The wiring diagram of the tremolo is shown in Fig. 1. The operational amplifier IC1A is...
Dissertation by Helmut Haas describing the Haas Effect. It includes a detailed description and diagram of a very early magnetic tape echo generator (magnetophone, a precursor to the Echoplex) that he used in the his experiments. This is the English translation, pubished in the Journal of the Audio Engineering Society.
There is a story and a lesson here. I found this through links on the fantastic wikipedia page about the brand. Still, I had to retrieve the pdf from the internet archive - I was under the impression that they don't usually store pdf files. There recently was another coffee table book on stompboxes, and I weigh my words. I haven't see Mike's book either. I doubt very much that any of them take the scientific approach: it allows us to...
The source for this information is here . I did not discover this, but trying to create some sub text...
The patent being applied for on 23rd of October 1962, and published on the 14th of December 1965, make it a very likely source for the EHX Big Muff circuit:
English PDF: Electronics-World-1968-08 Twin T's.pdf
French PDF: Le HAUT-PARLEUR n°1201 - 6 Mars 1969 Double T filter 01.pdf
Le HAUT-PARLEUR n°1201 - 6 Mars 1969 Double T filter 01.jpg
Le HAUT-PARLEUR n°1201 - 6 Mars 1969 Double T filter 02.jpg
Le HAUT-PARLEUR n°1201 - 6 Mars 1969 Double T filter 03.jpg Le HAUT-PARLEUR n°1201 - 6 Mars 1969 Double T filter 04.jpg
The complete 18 page booklet in PDF: Eversure on Vox AC-30.pdf
A tube amplifier primer taking the Vox AC-30 as an example - but taking it as far as a built-in tube tester?
Eversure on Vox AC-30 01.jpg Eversure on Vox AC-30 2.jpg
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