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A pedal-sized version of a multi-channel rackmount preamp would certainly be exciting. Eventually I'll have to just put things in rackmount boxes. I have probably had more requests for a multi-channel high-gain preamp than anything else at this point though. Something has to happen eventually.

My understanding is that the tariffs don't take effect until the end of the month, and it's pretty clear that enclosure orders aren't going to ship before before the end of the month. Everything else typically will, so you probably have a few days before it's over everything.

Or in my case, putting the links up once and just praying they stay valid so I don't have to touch them again.

Yup, exactly this. Every year my accountant says to write off everything I can to make the business look less profitable. That will be less difficult in 2025.

Welp, looks like Tayda tariffs are happening now. Just placed an enclosure order and DHL is now the only shipping option and tariffs are included in shipping costs. Farewell cheap UPS enclosure shipping, it was great while it lasted.

I didn't even know I wanted this, but now I feel like I can't live without it.

That's a very generous choice of words.

The SLO is my favorite dirt tone, so I can weigh in with my opinions. I bought the SLO pedal direct from Soldano the day they were released, because I'm a Soldano fan and figured I would give it a shot. I will say that I don't dislike it; as far as op-amp based amp emulations go it's pretty...

The tube heater in Lab Rat comes straight off the supply voltage, so it will be your main rail on the cathode of your 1N5817. Should be just a little lower than your supply.

Nah, I basically shelved it when I got Wrecking Ball put together. I have my eye on another two-channel hi-gain preamp, but it probably won't be Bogner flavored.

If you've never built a tube amp before, I personally would not recommend a high-gain amp as your first build. I've built a handful of amps and am pretty comfortable, but when I wanted an SLO I decided I didn't want to build one and would rather buy an assembled head from Ceriatone (theirs is...

Yeah I didn't mention it in my build report, but the pads on this thing are small, definitely small enough to make a noticeable difference in soldering. I had to switch to a smaller tip in order to actually heat them enough, my usual chisel tip wasn't cutting it. It was especially noticeable on...

I think intermediate is fair. It has a couple steps that are a little more involved than a typical PedalPCB build, but if you take your time and follow the instructions, it will work.

I've considered adding a gain control and swapping V1 for a 12AT7 to get some dirt, but it would very much change the character of the preamp. Would be relatively straightforward to do though, assuming you have a spot on the enclosure to mount the additional pot.

Samesies :(

Particle Accelerator is based on the Alembic F-2B, which is particularly popular with the bass crowd due in part to the extended low-end frequency response. Reducing the value of the cathode bypass cap will absolutely shift the cutoff frequency of the low-end of the circuit. You can see visually...

Holy shit that's a lot of glue.

To measure the Vf of the LEDs you just leave the pedal unpowered and use the diode setting on your multimeter. One LED flashing when the footswitch is pressed definitely sounds like something is up there.

You didn't mention that, if the diodes were installed incorrectly then it would have had these symptoms from the get-go. A failed LED could be something to look at if you can measure the Vf of the LEDs.

It's kind of a joke, but it's something I've considered doing for fun. Nope, I think someone else did that though. I don't have a bunch of tuners lying around, the only tuner I will be using for the foreseeable future is the Shure GLXD6, I just wanted to build this one because it seemed like a...