Line 6 3.7 manual Vibe, Opto Tremolo, Rotary Drum + Horn

Line 6 GearBox 3.7 – Model Gallery

and images are provided for the sole purpose of identifying the specific products that were studied during Line 6’s sound model development.

U-Vibe

The U-Vibe model is based on* the now-legendary Uni-Vibe, which was put on the map in 1969 by Jimi Hendrix. Essentially a four-stage phase shifter, the Uni-Vibe is best known for its watery texture and sultry tones. One listen to “Machine Gun” and you’ll know what we mean. You can recreate the effect of the original Uni-Vibe’s vibrato switch by turning the MIX control to 100% wet. (That’s what the switch did on the original.) The DEPTH control acts like the Uni-Vibe’s “Intensity” knob.

*All product names used in this document are trademarks of their respective owners, which are in no way associated or affiliated with Line 6. These product names, descriptions and images are used solely to identify the specific products whose tones and sounds were studied during Line 6’s sound model development.

Opto Tremolo

The Opto Tremolo model is based on* the optical tremolo circuit that was used in the blackface Fender® amps, like the ‘64 Deluxe Reverb® and ‘65 Twin Reverb®. Basically a light bulb and a photo-resistor, when the light got brighter, the tremolo got louder. It’s a very smooth, even tremolo, and the obvious choice for use with the amp models that are based on Fender® originals.

*FENDER®, DELUXE REVERB® and TWIN REVERB® are trademarks of Fender Musical Instruments Corporation

and are in no way associated or affiliated with Line 6. These product names, descriptions and images are provided for the sole purpose of identifying the specific products that were studied during Line 6’s sound model development.

Rotary Drum + Horn

Fine furniture and cool tones — the Leslie® 145 that the Rotary Drum

+Horn model is based on* gave you both at once! That tube-driven behemoth (you definitely don’t want to try picking one up on your own) features a belt-drive rotating high frequency horn along with a downward-facing 15-inch speaker that had a segmented drum spinning under it to disperse the sound. It was originally designed to be used with electric organs like the Hammond B3, but once guitarists (and even vocalists!) heard it, they just had to get in on the rotate-o-rama. Our model gives you all that whirligig glory, without giving you a herniated disc. Slow/Fast switch acts like the one that came on the Leslie 145’s preamp, ramping between the two speeds. This effect also gives you TONE and MIX settings. For the truly authentic kind of spin that a Leslie delivers, you’ll want to set the MIX knob to max, since a Leslie had no ‘dry’ path.

*LESLIE® is a trademark of Suzuki Musical Instrument Manufacturing Co. Ltd. and is in no way associated or affiliated with Line 6. These product names, descriptions and images are provided for the sole purpose of identifying the specific products that were studied during Line 6’s sound model development.

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