With the GR you can create amazing feedback sounds, that sound very natural
because they come directly from the strings. Thus the sound is not as 'false' as
electronically generated feedback gadgets. The GR sounds totally natural, just like
a turned up amplifier, where the string feedback comes from the sound waves.
The usage of Guitar Resonators has many advantages:
●
Feedback is possible at any sound volume, even if playing with headphones.
●
The GR works fine with crunch or even clean sounds. It would take extreme
amplifier gain to get the same feedback tones with sound wave feedback.
●
The transition from normal tones into feedback can be controlled precisely
and is always reproducible. You don't need any time wasting experiments
with amplifier gain or loudspeaker distance.
●
With the strong magnetic field, you can generate extreme feedback
harmonics that cannot be generated with normal amplifier/speaker feedback.
1.1 Differences to the EBow and other Sustainers
The most popular magnetic string vibration device is the EBow developed in 1976.
This ingenious gadget is a hand-held device built for making single string
vibrations. Although lots of interesting tone effects can be produced with it, the
typical EBowTM playing is a bow like movement rather than a striking of the
strings. You don't use a plectrum for playing these desired effects. With this
technique cello like sounds can be produced. The Ebow is used all over the world
for special effects in dedicated lead phrases.
Next, Sustainers entered the guitar world, which can be found on special guitars
or they can be built into existing guitars. This is done by replacing the original
neck pickup by a so called Sustainer pickup. Unlike the EBow you can play with
both hands and you can play feedback with more than one string at the same
time. Another difference to the EBow is that the sound cannot be controlled by the
playing technique, because its position is fixed on the guitar. Both, the EBow and
Sustainers run with batteries.
By contrast Guitar Resonators provide the following features:
●
You can use both hands for normal playing. Feedback is created by
positioning the guitar neck to the Resonator. This is similar to the speaker
positioning for regular guitar to amplifier feedback techniques. However, the
onset of feedback and harmonics can be controlled much better by the
Resonator positioning. This feature alone is one of the main differences to
that of built in Sustainers. Plus, unlike the EBowTM you can get feedback
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