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I don't see any marking on IC1, did you try to swap it with another 072?

By the way, how thrilled I was to see the LMC6482 in here :D that's the one in my Mosferatwo! One thing I obviously will ask for: can we get some 2n7000 or BS170? pretty please :) One thing for me personally that would be great, would be to be able to import a netlist from LTSpice. It looks...

That is sick! Where in Switzerland?

These were just hanging there for some time, I could not find any trace of me ever purchasing these :ROFLMAO: They look like any other cheap schottky with orange glass body and no marking whatsoever 🥹

Pseudo variable Q in bell mode (highly affects the gain but quite fun) and resonance peak in shelf by adding a variable resistor in series with R319 to ground and jumping R320. Breadboarded today with 15nF for the freq caps, this could make a great treble shaper. Really enjoyed in shelf with...

Onto the shelf mode, how gorgeous is that?? Up to 16 dB of shelving with a beautiful slope! Now the schematic for the high f, cleaned up for @temol , add a footswitch, a power supply with a voltage inverter, maybe an LED and a couple of jacks and you got your Neotek Elite High freqs in a box...

Started playing around and got something for the high f section of the EQ of the Neotek Elite, I like how this looks on the graph! I'll post the schematic once I cleaned it up @CheapSuitG Gain ranges from -14.33 to +14.33 dB, in bell mode, looks like this: I used an anti log taper for the...

Same on the Amek, you basically had a recorded voice of Rupert Neve telling you for each knob on the desk "up, up, slightly up, down, ok", a freaking cool stuff until a week later pro tools showed up :ROFLMAO: I had a look at the schematic of the EQ of the Elite, I will definitely accept the...

This is the one reason I started doing this, try and identify all the weird ones I had lying around from doubtful sources, loving that you are using it for that!

I made a box kinda like this a few years back, I tried to find it or any docs I could have but nowhere to be found... I started with the Boss EH-2 topology and replaced the EQ with a send/return... I had started to make a version with LM13700, that went all the way to ducking the fx loop as...

I would have a closer look at these joints, C7 looks a bit thin here for example

Except for some 60 countries including all of the EU and Switzerland to fight forced labor... not even joking... My customers in the U.S. have to pay an additional 12.5% for any product, and a 10 CHF fee on top (around 15 USD). Switzerland does not allow shipping unless duties are paid...

It will sound exotic but give a go to the LF412 / 353. You may never go back to TL0xx...

Now if you'd want to put both in one enclosure, just add a footswitch (or two, if you'd like to have them both independently), a power supply (with an LT1054 for example to get a negative rail, 100nF caps between each power poles and ground close physically to each ICs), an LED, a couple of...

Now if we look at the frequency sweep, we get a nice range on MF1: Ranging from 555Hz to 15.9kHz, compared to the 350Hz to 15kHz statement in the manual. For MF2 (Swapping the 5.6nF to 56nF), we get: Ranging from 55.78Hz to 1.57kHz, compared to the 40Hz to 2.5kHz announced.

Looking at the Q with the gain all the way up, we see a nice range of useable settings. Much more fun that a switch, come one! The center frequency does not move and the gain goes from 18.48 dB ccw to 19.44 dB cw at center frequency. Now the interesting thing is the marketing claim once...

Let's get into spice and have a look at the +/- knob, I'll call it gain just because. First of all, here is the gain mapped with the original logarithmic taper: As you can see, it is not very linear (pun intended) and unity is at 70% clockwise. Now with a linear taper, unity is at noon and it...

So... throughout these years of obsession, I never really could find much documentation about this console and its "magic" Rupert Neve strips. As far as I know, only three "major" recordings happened to have used a Mozart: Nine Inch Nails and the Downard Spiral, Buensa Vista Social Club, and...

Was there any MZ15-RN channels in it? The one I worked on had mostly MZ10 and 11 and only a few 15 sadly...

Now, if we skip the overwhelming switching systems and merge all these pages that give you a bit of it all in odd places and isolate MF1 for example, we get a better picture of what is going on in this circuit... Add an output load, a footswitch and a power supply (the original ran at +/-...