Latest Alesis HR-16 – SOLD

POTAR Alesis HR-16 mods and restoration

This one didn’t even make to the site, put it up on Reverb and it was gone within an hour. I am really happy with how this one came out, it ended up being more work than the last couple, pretty much dead on arrival. It was worth the extra work to bring this Alesis … Read more

Top 5 Common Repair and Replacement Projects for your Alesis HR-16

Alesis HR-16 Drum Machine repair instructions

I love the Alesis HR-16 drum machine, it has great set of realistic built-in drum sounds, does all the MIDI stuff you expect, is a fantastic circuit bending target, and is actually very easy to program. I have owned a bunch of them over the years and the first thing I always have to do … Read more

Alesis HR-16 Circuit Bending

Alesis HR-16 pitch control install

This is the last of the Alesis HR-16 lot I purchased from the estate of former Pure Prairie League member George Powell. I added a 28 point patch bay, an LTC1799 precision oscillator for pitch control – and that is switchable between knob control or photocell control (for using light as a pitch controller). I … Read more

Pitch control for cassette players

06/18/2025 – Recently updated with better explanation. Here is a stripboard layout that I did for cassette player speed mods. It is based on a drawing from the old Casper Electronics website. It only requires a small piece of stripboard (4×6 ) and 5 components. I am sure that there are other ways to affect … Read more

Circuit Bent Carry-A-Tune Cassette Player

POTAR X Carry-A-Tune circuit bent tape player

These are cool little handhelds, no record function but they do offer an echo mic! Not a whole lot of space inside so I concentrated my efforts on the tape speed and getting an output other than the built-in speaker. The results are pretty satisfying. The 2 knobs get you from stock sound, to pitched … Read more

Circuit Bent a PLAYSKOOL Kid Keys

Circuit Bent PLAYSKOOL Kid Keys

It has been at least 10 years since I had one of these PLAYSKOOL Kid Keys to open up and play with. The first one that I circuit bent went over pretty well, so I have been looking for another affordable one to bend ever since. SOLD From the video description: The Playskool Kid Keys … Read more

Bent // Broken 2024

POTAR Bent Broken Circuit Bending Festival video thumbnail

I am still trying to digest all the great videos from this years Bent // Broken Virtual Circuit Bending Festival. My submission is presented for you below, and HERE is a link to the entire event archive. It is worth a listen, a watch, and maybe both. For my submission I used a circuit bent … Read more

Bent // Broken 2024 is getting close

2024 circuit bending festival flyer

Really excited for this years Bent // Broken Worldwide Circuit Bending Festival organized by the amazing Echo Lightwave Unspeakable. After being an online/virtual festival since inception, this year will debut the first in-person/live event to compliment the virtual festival. Bent // Broken is really important event in the circuit bending community. It is an event … Read more

POTAR Design Concern