Tag Archives: Amplifiers

Builder’s Profile: Anthony Roos of At Mars Amps

Tell us about the history of At Mars?

at mars 010 After playing and buying tube amps over the years the either didn’t sound right or work right, I decided to try and build something for myself so I could have some control over both of those issues. After completing one project I would put it up for sale in order the fund the next. The feedback was usually favorable after something was sold, and that’s how At Mars began



What’s your background?

I have been playing guitar and tinkering with things since I was a kid.

What was the first product you offered for sale?

The Specialist head was the first product.

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Which has been the most popular?

There are still more Specialist heads out there than anything else.
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Robert Brenne of Artistic Amplification

Robert, how did you come up with the brilliant idea to put amplifiers in all these objects?

Exit 1

Robert Brenne
and his Exit Sign Guitar Amp

I started doing this when I came across a blog article about a DIY beer can amp. I initially just wanted to try it out to see if I could do it and after some trial and error I made my first mini amp out of a Heineken 24 oz. tall can. That was one of the most difficult builds for me because of how delicate the can is. It’s very easy to crush it and dent it while working or tear the aluminum. When I finished that amp though I thought if I can make an amp out of a can I can pretty much make one out of anything. I’ve always had an interest in pop culture and advertising so many of my amps follow those themes. I like the idea of re-purposing an object and giving it a new function. An item that you have some emotional connection to can be a functional guitar amp, a piece of art, and a nostalgic conversation piece.

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