Uploaded February 2025 | Updated September 2026, 3 weeks ago

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Today we try to fix this piece of history!
Support the Museum and see more videos and stuff Patreon : patreon.com/lookmumnocomputer
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Donate:
ko-fi.com/thismuseumisnotobsolete
this-museum-is-not-obsolete.com/donate
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if you'd like to visit
information / contact:-
this-museum-is-not-obsolete.com
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THIS MUSEUM IS NOT OBSOLETE INSTAGRAM :-
instagram.com/thismuseumisnotobsolete
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Synth documentation - synthfool.com/docs/ETI/4600/ETI4600.PDF

Mitch’s channel - youtube.com/@hackmodular?feature=shared

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THANKUS HUMUNGOUSO to :-
IgorBox
Mike Dangerous
mbcodeandsound
God Orion
Annina H. Rokka
Bob
Markku Rontu
TheTechromancer
Cameron Luteraan
Ande Spenser
Arnix T-Bone
David Boudreau
Butterbrot
Dan Patterson
Polykit
Matthew W
David Dolphin
Matt Followell (PDP-7)
Miles Flavel
Systems and Smiles
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PayPal :-
paypal.me/lookmumnocomputer

00:00 INTRO
02:09 TESTING THE FILTERS
04:10 FILTERS FOR DUMMIES
13:26 FILTER CIRCUIT ANALYSIS
23:36 FILTER DIAGNOSIS
27:58 VOLTAGE CONTROLLED AMPLIFIERS
23:12 ENVELOPE GENERATORS
31:33 SPRING REVERB
23:51 EXTERNAL INPUTS
38:27 FINAL CLEAN & CONCLUSION



#vintage #synthesizer #restoration #maker #electronics