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Line 6 GearBox 3.7 – Glossary (What Is...?)
10•23
What is the Reference control in the Tuner?
This control is available within the Tuner interface. It tells the Tuner what to tune to. 440Hz is the
standard reference value for A, and is generally used for tuning reference. All the Tracks available from
GuitarPort Online use the standard 440Hz reference. So, unless you have a particular need to adjust
the Tuner’s reference (and tune your guitar to match something other than GuitarPort Tracks), you
probably want to stick with the standard 440Hz setting for this control.
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What is a Rotary Drum + Horn?
A Rotary Drum + Horn (or rotary speaker) is one of those things that makes you go, “Gee whiz!”
when you first hear about it: a speaker is mounted on a rotating motor, and spun around as sound plays
through it. A switch allows you to select slow or fast speed for the rotation, and one cool thing about a
rotary is the gradual change in sound that you hear as the speaker speeds up or slows down to the new
speed. The rotary drum + horn speaker enclosure was originally developed for organ players, but guitar
players soon put it to use as well. Effects manufacturers also quickly started making foot pedals that
emulated this effect too (check out the GearBox U-Vibe in the Mod Effects menu for a model of one
of these popular effects). Stevie Ray Vaughn and The Beatles were both heavy users of rotary speaker
effects for guitar. For details on each of the Rotary Speaker controls, move your mouse over the control
and look in the Info Bar at the bottom of the GearBox window.
Many of the effects are modeled after classic gear described in the Model Gallery.
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What are Sends?
Sends are also referred to as “Record Sends” - please see the earlier topic, What is a Record Send?
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