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RGE-10 Graphic Equalizer

Boss Micro Studio Series Vol.1, 1986:

Fine Tonal Compensation with 10-Band Graphic Equalizer
The RGE-10 Graphic Equalizer was specifically designed for ultra low-noise performance to enable it to be used in recording studios and onstage as well as to be connected to the finest audio equipment. The RGE-10 equalizes in 10 bands, in steps of an octave from as low as 31 Hz to 16kHz providing ideal flexibility for settings as well as ease of use. Up to +/- 12dB of cut and boost are available, making the RGE-10 an extremely adaptable equalizer, handling it all from fine tonal compensation to startling sound creations. A prominent feature of graphic equalizers is of course the visual confirmation of the equalized frequency curve. The RGE-10 takes it one step further with an LED indicator for each slider, letting you check settings on dark stages or studios and making quick further changes possible.

10 sliders set at frequencies from 31 Hz (lows you tend to feel as vibrations in the air more than as sounds you hear) to 16kHz (extreme highs that help to accentuate or control harmonics) let you boost or cut up to 12dB at each of the 10 frequency bands. Each slider also has a center click setting for quickly and accurately returning to a flat “0dB” setting.
For minimizing any level differences between the direct and equalized sound. This lets you control up to +12dB of level by moving the LEVEL slider up or down to eliminate differences in level.

BOSS RGE-10 Graphic Equalizer

Point Of Performance
Tonal compensation, from a very fine degree to radical changes are easily effected with the RGE-10’s 10 bands in octave steps over the frequency range from 31 Hz to 16kHz. In combina­tion with the visual confirmation of the frequency curve, the unit is also effective for processing sounds previously mixed, and providing fine tonal compensation for instruments and vocals too. But the RGB-10 really comes into its own for creating a spacious, open sound which will best match the acoustic characteristics of a hall during live performances. In Fig. 1, the setting is useful for making vocals stand out. In this setting, a boost can be centered around 1kHz, with just a touch of boost at 4kHz too. This will add clarity to the vocal and gives it an open sound. If the hall makes this setting give a tinkly or metallic sound to the vocals, apply slight cuts around the 4kHz area. Fig. 2 is a setting that adds some power to sound that has been already mixed down on a multi-track recorder. Cut out unwanted 31 Hz rumble by using the RGE-10 as a subsonic filter or emphasize the bass drum at 62Hz and 125Hz and add attack at 4kHz and 8kHz.

Trick & Shock
Stereo effects can be obtained from a monaural signal by using 2 RGE-10 units. Use a J-5 multiple jack to split the input into 2, and connect each to an RGE-10 equalizer. Now set the sliders on each so the settings on one unit are the opposite of the other’s sliders. Apply boosts/cuts alternately: if 31Hz is boosted on Channel A, cut 31Hz on Channel B, and so on. When the sound is played back through an amplifier, the left and right channel tonal characteristics are synthe­sized in space, delivering wide, pseudo-stereo sound.