In the Artist’s Choice section of our September issue, singer/songwriter/multi-instrumentalist Georgia Anne Muldrow made a comment that kicked my nostalgia circuits into high gear. She was talking about “I Don’t Want Nobody,” a track on Eddie Harris’ 1975 album I Need Some Money, and she happened to mention that the tune features her father Ronald Muldrow playing … the Guitorgan.
Seeing that word in print instantly took me back about 30 years. In my mind, I was standing in my local guitar shop/home away from home in Cambridge, Massachusetts, peering at a strange instrument in a display case. At first glance it looked pretty much like your standard semi-hollow electric 335-style ax, but a closer inspection revealed all this extra stuff: knobs, dials, veg-o-matic-style buttons. The sign next to it identified it as a Guitorgan. “A Guitorgan?” I said in puzzlement. “Yeah,” one of the store’s proprietors responded, “you can make it sound kind of like a Hammond.” No more needed to be said; I had to try it immediately.
Although I was a guitar player, I loved the sound of a Hammond B-3, and apparently Texas inventor Bob Murrell had folks like me in mind when he came up with the Guitorgan in the 1960s. Each Guitorgan contains the electronic innards of an organ and can sound like either a guitar or an organ, or both at the same time, depending on your needs. Murrell’s company Musiconics International, or MCI for short, built about 3,000 of these quirky hybrids between 1967 and 1984. Organ manufacturer Baldwin helped him develop the instrument’s internal circuitry. The guitars housing that circuitry came from a variety of companies, including Ventura, Univox, Ibanez, and Yamaha.
What all these guitars have in common is a special set of frets on their fingerboards, each divided into six segments (one per string) and wired to the organ electronics. Fretting any note on the fingerboard activates a matching pitch on the organ. You can regulate how much or how little organ you hear with a massive footswitch. And all those controls on the guitar’s body can change both its normal and organ tones.
The Guitorgan isn’t the only guitar/organ combo ever made—companies like Vox and Godwin also got into the game—but it is the most famous, a precursor to the guitar synthesizers of the 1980s and beyond. Unlike guitar synths, though, Guitorgans don’t allow you to bend strings. And that, I must confess, diminished my interest in the one I tried all those years ago. Now I wish I’d given it more of a chance; how great would it be to cover two parts of an organ trio with one instrument? If that idea appeals to you too, keep an eye out for Gui- torgans online. They generally sell for around $1,000, remarkably inexpensive for such a cool cult piece.
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Just over 40 years ago, engineer Susumu Tamura designed an overdrive pedal that has achieved worldwide holy-grail status among guitarists and pedal manufacturers alike: the Maxon OD808 Tube Screamer. In keeping with the history of a device that attracts obsessives like few others, Tamura recently completed a three-year circuitry analysis of more than 100 vintage and current Tube Screamers. The integrated circuit that he deemed best of all is now part of Maxon’s APEX808, which—rather niftily—can change the overtones of a signal based on its input level.