
Guitar Pickups: The Definitive Guide for Beginners
Learn everything about guitar pickups, from single coils to humbuckers, active vs. passive, magnets, wiring, and more.
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Rob Turner grew up fixing shortwave radios with his father and started experimenting with pickups and preamps as a teenager, eventually combining the two into what became EMG's defining idea: an active pickup with its own onboard, battery-powered preamp. He founded the company in Long Beach, California, in 1976 under the name Dirtywork Studios, renaming it EMG in 1983. Active pickups cut hum, resist signal loss over long cable runs and put out a hotter, more consistent signal than passive designs, which is why they became standard equipment on Steinberger instruments from 1981 and later a fixture on high-gain metal guitars from Jackson, ESP and Schecter. We cover EMG mostly through the signature guitars that ship loaded with them. Here's what we've written.

Cort CR300MT: A slim mahogany single-cut with EMG 81/60 pickups, 24 frets, and modern metal features. Priced at $899.99.
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Active pickups — they use a low-impedance coil with an onboard preamp powered by a battery, rather than the passive wound coil in a conventional pickup. EMG, Inc. was founded by Rob Turner in 1976 and is based in Santa Rosa, California; the active humbucker is what the company is known for.
The onboard preamp needs power. A 9V battery sits in the guitar, usually in a rear cavity, and is drawn on whenever a lead is plugged into the jack. Unplugging the guitar when you are not playing is the single thing that most affects how long a battery lasts.
The 81 is the brighter, tighter, higher-output of the two and is normally the bridge pickup; the 85 has a warmer, thicker midrange and is usually fitted at the neck. The 81/85 pairing is one of the most-installed pickup combinations in metal, though plenty of players run an 85 at the bridge deliberately.
That is the association, but not the whole range. EMG also makes single-coil-sized actives, bass pickups and the passive-voiced Retro Active line, and the company's pickups appear in country and session rigs. The reputation comes from the 81 and 85 rather than the catalogue.