Since I have much trouble finding the original parts (discontinued or not, I live in Slovenia), choosing the right parts would be a good starting point before I start drawing my PCB. Electro-Harmonix has a deep history of producing pedals that can take a regular guitar or bass signal and spit out an otherworldly synth sound, be it gritty, jagged, or smooth. The problem is CA3094, some say it's unique, some say LM13700 could be a good substitute, since I'm starting with nothin but schematics, 8-pin or 16-pin makes no difference. The 4558's should be easly replaced by some newer op amps, like TL082 or 072 (I don't really know the difference) Second, I'm stuck with finding (choosing) the right parts for this projects, so this is what I found out this far: I found a copy of the 1996 BASS Micro Synth schematic. I've been faking my synth sounds using a MXR Bass Octave Deluxe -> Fuzz (previously MXR bass fuzz, then EBS multidrive, then. My error: The smoothing filters capacitors are C8 (1uF), C9 (0.47uF), and C10 (0.056uF). I spent around two hours last night futzing around with the settings using the online guide, and WOW this thing is fun. Ok, that would demand commonly used round pots, which from what I hear aren't so precise I've had my eye on it for a while, found a deal, and pounced. You should notice that the harder the bassist digs into the bass, the more snap is caused and the less attack he applies, leads to a fatter, wetter wah effect: 5. Pay particular attention to how the wah snaps back or flattens out as the bass player plays the bass. I've read loads of informations about the design, problems with finding original parts, etc.Īnyway, I'm thinking about doing one myself but with some modifications, first to build it in a rack mounting box and trigger it by footswitch. Here’s a demo of the Dunlop MXR Bass Envelope Filter. Its a low cost, super simple synth for anyone. They are also expensive I want more people to get their hands on synths, both for fun and education. This really shocked me, must say! Svaka ti čast. Analog synthesizers are one of the best ways to learn and experiment with music, electronics, and signal theory.
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