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When I tried something similar for some graphics files Tayda's software wouldn't accept it, for whatever it's worth.

Yep, those are the power rails.

Standby allows you to do the power-up with a much smaller/lower current switch, which also allows front mounting without the hassles of running line power around wires and components that may not respond in a great way. I've done several 700AS1 bass amp builds and one with the 500ASP module...

The original FX-888 had a very simple knob for temp control, leading inevitably to "it ain't broke, let's fix it anyway."

My LTspice-Fu is strong. ;) I started a zillion years ago messing with tube EQ circuits and then Craig Anderton's circuits from Electronic Projects For Musicians. So by now I can recognize many of the usual suspect EQ formats and have a decent idea of what to change, and sometimes by about how...

Still don't have anything to show but several mostly redundant builds of my own designs. Maybe next week...yeah, that's the ticket! :cool: Oldest to newest, more or less:

LT used to be very generous with free samples. ;) Since I mostly just do one-offs for myself, $10-15 a pop for opamps doesn’t really even phase me as long as I get the results I need. I’m aready burning money and even more so time, why pretend to be rational?

If you just have to use through hole parts, I've had excellent results in my bass preamps with LT1113 and LT1169. But the price has more than doubled in the last few years, and I've never tried them with a low-ish voltage single sided power supply. But as you say, best to move along to SMDs, and...

Rod Elliot's very well known site: https://www.sound-au.com/ And John Broskie's, which it may take a while to work up to: https://tubecad.com/

The layer is there, but there's nothing in it.

Spencer from Amplifyfun is on here and does awesome ones in many different formats. And not just for pedals, he can do rack mount plates and the like as well.

It'd be trivially easy to repurpose this one I've been messing with recently: Right now it has a TRS input for my banjo/dobro hybrid, magnetic pickup goes to a HPF/EQ/LPF box then returns to mixer, buffered piezo input from resonator goes straight to mixer. Everything is modular, so super...

I've been using LTspice for many years and rarely find a need to breadboard anything - I just go straight to PCBs. But I typically only build clean-ish widgets for bass or acoustic instruments, and have a lot of well vetted building blocks, so tailoring circuit interactivity and EQ curves is...

Only his first couple of versions were primarily URB centric. The latest one is definitely more useful for bass guitar too, and the next one that’s on the way even more so from what he’s told me. But you’re correct IMO, which is why so many contemporary manufacturers like Mesa, Genzler...

That phase shift is actually your friend once you suss how to balance the tradeoffs, it's what makes pretty much all EQ even work. But you're on a good track with incorporating pre-existing rolloffs into overall system response, IMO and IME. A lot of people find it beneficial to put a small...

There's a long older thread of waterfall graphs for several different basses on Talkbass, but unfortunately a software update ate many useful contributions. Somewhere in there I posted a blind A/B test, with predictably interesting results. By the time we get to the G string the...

Whenever I finally finish up my through-hole open source bass EQ project there's a good chance Robert may spin off a PPCB board. Meanwhile, there's the considerably more complex part-SMD one, which is at v4: https://github.com/Passinwind/PW3B-LPF I have another one in the works with a fully...

Because the sub-fundamental content is often inharmonic, creates distortion, stresses loudspeakers, and your mom hates it. ;) There's also another less obvious use for an HPF: it often allows you to boost your amp's bass control more, without flub, and you can also tailor the peak frequency...

Global feedback around the power amp stages includes the output transformer inductance and serves to even out trafo nonlinearities and control damping factor. Local feedback gives a much different play feel, IME. I do use it in many of my tube bass preamp builds as a way of baking in some...

Red badges are a huge bonus, I noticed a really substantial difference when I had one for the first time in 2020. If you can get me an Exhibitor or Demonstrator badge I'll definitely be happy to pimp your booth and run a few errands as needed, but I'd be happy to do that regardless. I may...