Maybe the seller wants you to buy his product instead of giving away his hard work for free.
OK, here's your "mutual help": a discrete op amp design, complete with a schematic (on page 3) you can use as a starting point for your design. It took all of 5 minutes of "research" to find, through Google. (If you're looking for a design that replicates a TL071 specifically, I doubt you'll find such a thing.)So I could actually do the research myself, but these forums are for mutual help, aren't they?
What is a "modular audio effect" and why do you need a discrete version of an op amp to do this?For an modular audio effect, I would need to build the discrete equivalent of TL071 used as a substractor.
Was that a rhetorical question?What is a "modular audio effect" and why do you need a discrete version of an op amp to do this?
An op amp is basically a black-box gain block and any modifications you do to change sound is done with components outside the op amp, not inside it.
Do you really understand what an op amp does?
Certainly the author must be kidding. (From OBW0549's link
I lump all of that stuff under the category of "voodoo electronics", along with junk such as "pre-conditioned" speaker cables and "cryogenically treated" speaker cables. Such things are based on ignorance and blind faith, not empirical evidence. They are, literally, a form of religion; and the people who are pushing that stuff are nothing more than con artists in the business of conning gullible rubes into giving them their hard-earned money....many posts/websites/forums, including fivefishstudios first page claims that discrete components are of better quality in terms of noise, reaction time or whatever criteria you know better than me. Some modular effects makers like Lee Jackson claims the same.
There's absolutely nothing wrong with trying to build a discrete component op amp for learning purposes; you can learn a lot from that. But DO NOT expect wondrous, magical things from it, or amazingly superior audio; if you do, you'll be sorely disappointed.This was the primer intention of this post, trying to investigate if it was worth playing around with a components version.
That is indeed hilarious.
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by Ikimi .O