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I've built (mostly) a Hooke. It's amazing

Found a journal paper saying that high intensity fields should affect transconductance, depending on the orientation.

I have no clue, really. I'm just being extra cautious (it probably wouldn't matter for our less than critical applications, anyways)

This is probably a stupid question, but wouldn't the magnetic field affect the readings on the fet?

Sounds super nice! Do you happen to know your fet measurements?

This is a bit off topic, but are you guys familiar with coral.AI boards? They have a microcontroller board with TPU that I reckon should be able to run larger neural models (of course there's the problem of ADC/DAC that is already solved with the seed)

I've breadboarded their circuits a while back and I was super impressed. They sounded super good!

The daisy seed is certainly capable. I'm not sure if you'll find a standalone IR loader, but there are projects that include IR cab sim (eg funbox mars)

Nice! Do the hgsemi 13700 behave as they should? I want to try them, as they are much cheaper, but I hadn't seen them in use

Awesome! Thanks a lot!

I'm mostly curious about the way the VCA is implemented, I might send them a message. Thanks for the heads up

@disssa , that looks amazing. Would you mind sharing the schematics? I've only found dead links

Thanks! I've been messing with lino print for a while, trying to improve

As long as your caps are rated appropriately, it can run on 18v

I'm excited to build a DIY tuner, but I'll probably have to wait a liitle bit. Right now it goes: - OS based compressor - MuAmp based treble booster - Chuck's Mojito - Phase 45 with extras - Orange inspired preamp - Pt2399 Delay

Have you tried PPCB Valhalla? It's a Diezel VH4.

On a side note, I remembered EffectsLayouts used to offer a preamp like the one you want. It was called the Super Trouper (you could build it to Supergroup of Model T specs) and you can still find the build docs for it (link here). No idea how it sounded, though. It is not very far from a Model...

Adding to Temol and Blackboardcult, I have succesfully adapted the post-tonestack section of the EAE Model Fet for 9V single supply and it sounds quite good

Nice posts as always, Chuck! Any suggested parts/hfe values for q4 and q5?

I can't simulate the circuit right now, but 12k is a little high compared to what we typically see used with j201s. Maybe the original used (borderline) out-of-spec jfets