EMG 85

Last updated
EMG 85
EMG 85.jpg
Manufacturer EMG, Inc.
Period1979–present
Type Active humbucker
Magnet type Alnico 5
Output specifications
Voltage (RMS), V 3.10
Voltage (peak), V 4.50
Noise, dBV-101
Impedance, 10
Current, µA 80
Power requirements
Power source9 V battery
Battery life, hours3000
Sonic qualities
Resonant
frequency, Hz
1870

The EMG 85 is a popular active humbucker guitar pickup manufactured by EMG, Inc. It is paired with the 81 in the Zakk Wylde signature EMG set. It was originally designed to be used in the bridge position but is typically installed in the neck position by modern guitar producers.

Contents

The EMG 85 can be recognized by a humbucker form-factor and gold embossed EMG logo.

The EMG 85-7 is the seven string version of the 85.

History and design

The EMG 85 changed the previous EMG 58 pickup in the EMG product lineup as a popular rhythm pickup. Technologically, EMG 85 is an active humbucker with bar-shaped Alnico 5 magnet. The bar-shaped magnet affects strings uniformly, without irregularities known in more traditional design with separate pole pieces. Alnico 5 magnets also contribute to a warmer tone than that normally associated with ceramic magnets, which is why some players often use the 85 in the bridge, as opposed to the 81.

As the EMG 85 is an active humbucker, its two coils are not just connected in series or parallel with single output. Instead, they have two separate outputs and are summed electronically in the preamp. However, such sealed solution makes it impossible to do coil taps or coil splits. The EMG 89 is a recommended pickup with a coil tap/split option.

As is the case with most other modern EMG pickups, the EMG 85 has a 3-wire quik-connect output, which consists of a 3-pin male connector on the pickup body and a 3-wire cable to connect it. The easy wire color code scheme that is the same for all EMG products simplifies soldering and installation.

18V Mod

The EMG 85 power source can be modified from 9V to 18V by adding a second 9V battery wired in series. This increases the headroom of the pickup and decreases distortion, particularly with regard to transients. [1] Although the majority of EMG's pickups are rated for 27V operation, they recommend a maximum of 18V, citing the negligible performance increase. [1]

There are two main ways to perform this modification. One method involves using separate battery harnesses for each battery. There are several different ways to achieve this, and wiring diagrams can be found all over the internet. [2] The other involves using a separate 9V snap leading to the control cavity to wire two batteries in series outside of the battery compartment. [3] [ better source needed ]

Guitars with EMG 85

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References

  1. 1 2 www.emgpickups.com(PDF) https://web.archive.org/web/20110926152218/http://www.emgpickups.com/pdfs/faq/EMG-FAQ-Battery-Questions.pdf. Archived from the original (PDF) on September 26, 2011.{{cite web}}: Missing or empty |title= (help)
  2. "Upgrading EMGs to 18 volts". home.comcast.net. Archived from the original on March 6, 2012.
  3. "[Tech] HOW TO: The reversible 18v mod! - SevenString.org". Archived from the original on 2016-04-05. Retrieved 2012-03-06.