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Creating acoustic IRs the easy way with Vic's IR Generator
V-dub
San Francisco, CA✭✭✭✭
We've talked about Acoustic IR pedals (like the Tonedexter, Fishman Aura, and Nux Optima Air) here before, and I personally use one for situations where I need a good amount of volume without feedback. But I recently found out that you actually DON'T need one of those fancy pedals, and really anything that can load an IRs does the job. There are plenty of cheaper solutions out there, like the TC Electronic Impulse IR Loader pedal or my personal new favorite, the $65 Sonicake Pocket Master.
That does leave the complication of having to record your own IR profiles on your computer to load on there, which the fancier pedals handle natively. Previously there was a very convoluted way of doing it yourself by recording them in a DAW and trying to figure out how to run Cuki's IR Generator. After a few run throughs of this draining process, I decided that someone should make a simple drag n drop web site to do this processing for you.
Visit this website: Vic’s IR Generator. Note that this site is hosted on a free tier on Render, so might take a bit to load for the first time (50 seconds or so). Once loaded, you can drag and drop your source wav files and it will spit out your IR file, along with a handy graph (see below) showing how accurate it is!
Hope this is useful to folks and let me know if you have any suggestions. See this for a more in-depth guide.
Comments
Cool
This is very cool, Vic. I found Cuki's process to be fairly straightforward but I know I spent some time reading the instructions and figuring things out the very first time. From then on it was easy. Before that I spent hours creating the IR using the pedal. I ended up with several which I liked on the headphones but playing live, Cuki's ended up sounding the best. And at some point I realized I could've gotten a lot cheaper IR loader and savey myself many hours. Although NUX pedal does have a decent reverb and a premap section. And it was the cheapest of the bunch.
I'll give this a shot as well.
Does anyone have any examples of playing through a piezo with your IR?
How does rhythm sound with it?
I went to Vic's website, there's a ton of info there. This is all super cool.
I just ordered the SmartBox, I'll give it a shot.
I have a video showing all manner of gypsy jazz playing through Acoustic IRs, though these are generated through my Nux pedal, not through the online method. I'll try do a followup with the online IR generators through a cheap IR pedal too at some point!
@Buco I have been messing around with the Sonicake Pocket Master and for $65 I can't think of anything that does everything it does. It does IRs, NAM amp models, and has built in effects and EQ... AND it's internal battery powered. So far its been a real problem solver for me. Write up here:
https://www.paniquejazz.com/2026/02/27/sonicake-pocket-master-neural-amp-modeler-and-acoustic-guitar-impulse-response-on-the-cheap/
I thought the IR tracks sounded better than you gave them credit for compared to the mic tbh. Really good.
I wonder if a better quality or permanent mounted piezo would make a difference. I'm pondering glueing in a k+k clone vs making a Bigtoneish thing on my next guitar.
That's really an amazingly capable piece of tech for that price tag. It's nuts what you can get nowadays for such low price.
My road using the IR is sort of irony filled. I used to use a clip on Myers mic, the feather model I think it was. I was very happy with how it sounded, was always able to deal with the feedback. But instead of spending a few minutes before the gig to clip it on, I wanted something plug and play, like an electric guitar.
So I got and internally installed Manouche mic. It sounded good too. More defined than the mic and more feedback resistant. And plug and play. So far so good. The only thing I missed was the warmth of the microphone.
Then I started hearing about the IR tech and it sounded very cool but expensive. NUX fixed that (like I mentioned earlier, eventually I realized I could've gotten IR loader pedal for 3rd of the price of already cheap NUX) so I decided to get it. Down the rabbit hole I went with recording and creating my own IR, using Cuki's IR engine and messing with loading vintage mics IRs from website that @DoubleWhisky sent the link.
More live testing of the various sounds of the IR profiles and eventually I settled on one I liked. I added an EQ pedal along the way as well, just because it was ridiculously cheap and everyone on the Internet says you have to have one. And soon after we played a gig and I had an aha moment: "oh, this sounds so nice and warm, it's just like the Myers mic". Lol