Cram Audio Technologies

Cram Audio Technologies Guitar effect pedals. Visually stunning. Sonically pleasing. We are in Providence, RI.

In this two-hour workshop we will build a version of the Atari Punk Console synthesizer that fits in an Altoids tin. You...
10/11/2026

In this two-hour workshop we will build a version of the Atari Punk Console synthesizer that fits in an Altoids tin. You'll get all of the necessary materials and detailed instructions. We'll have all the equipment: soldering iron, hand tools, and more. I'll bet that you have fun.
The synthesizer runs on a 9V battery and is made to plug in to a guitar amplifier via a quarter inch jack. There are two potentiometer controls – Pulse Width and Frequency, which contour the synthesizer's tone. Once your circuit it built and running, we will experiment with its sonic capabilities by using a guitar amplifier and effect pedals.
This is a low part count project - easy build for beginners! But if you need help with your circuit, your instructor has 20+ years’ experience building, designing, and troubleshooting analog and digital circuitry. So rest assured that we will get your synthesizer working and get you ready to explore the worlds of lo-fi synthesizers and electronics. Expect this workshop to last 2 – 3 hours. Limited to 8 adult participants.

Curious about Cram DIY Workshops? Here's the what, where, when for the remainder of 2026.
10/11/2026

Curious about Cram DIY Workshops? Here's the what, where, when for the remainder of 2026.

10/05/2026

Cram Audio DIY Altoids Fuzz sounds good. Don't just take our word for it.

As always, circuit boards for the DIY Fuzz Workshop were graciously provided by our good friends at PCBWay .
10/05/2026

As always, circuit boards for the DIY Fuzz Workshop were graciously provided by our good friends at PCBWay .

Here's a few pics from yesterday's DIY Altoids Fuzz Workshop. Who'd 'a thought that learning and doing could be so much ...
10/05/2026

Here's a few pics from yesterday's DIY Altoids Fuzz Workshop. Who'd 'a thought that learning and doing could be so much fun?

09/29/2026

The tremolo project continues. Today: we have lights!

09/29/2026

Meeting with Circuit Happy LLC to work on our reverb project

In this workshop we will build an analog fuzz effect pedal that fits in an Altoids Tin. The fuzz sound was popularized ...
09/26/2026

In this workshop we will build an analog fuzz effect pedal that fits in an Altoids Tin. The fuzz sound was popularized by the psychedelic movement in the 1960s. You hear this guitar sound from bands like The Cream, The Jimi Hendrix Experience, Iron Butterfly, The Ventures, J. Mascis, The Cramps, The Stooges, St. Vincent, and many more.
We will build a fuzz circuit that produces that familiar rumbling saturated tone. You may bring your own guitar and amp so you can try out your Altoids Fuzz as soon as you build your circuit. We will provide the soldering iron, parts, instructions, and all tools you’ll need.
If you need help with your circuit, your instructor has 30+ years’ experience building, designing, and troubleshooting analog and digital circuitry. So rest assured that we will get your fuzz working and get you jamming. Expect this workshop to last 2 – 3 hours.

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Providence, RI

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