Browse Helix Models and Effects

Helix currently supports 72 amplifier models, 194 effects, 37 speaker cab models, and 16 microphones. On top of all that you also have the ability to load Impulse Responses (IRs) that you can grab from free or paid sources. Go have fun.

Oh man, this one is fun with a capital Ffffff but you'll want to read up on how to get the best results. Works best as one of the first blocks in your signal flow. NOTE: Feedbacker loads bypassed by default.

Fdbk Gain

Controls the amount of feedback. At higher settings, can easily overwhelm your guitar signal; at lower settings, the feedback can better "sit" between chords. WARNING! Be careful, as this effect can quickly go off the rails, just like real feedback. Consider assigning it to a momentary stomp so feedback only appears while you hold the switch.

Fdbk Type

Determines the type of the feedback generated. TIP: Try assigning different Feedback Type values to snapshots.

• Octave—Feedback appears one octave below the "reference frequency," which is basically the note Feedbacker chooses to base its feedback generation on. Depending on the chord, Feedbacker may choose different reference frequencies.


• Unison—Feedback appears at the reference frequency.


• +Octave—Feedback appears one octave above the reference frequency.


• Oct +5th—Feedback appears one octave plus a 5th above the reference frequency.


• +2 Octaves—Feedback appears two octaves above the reference frequency.


• 2 Oct+3rd—Feedback appears two octaves plus a 3rd above the reference note frequency.


• 2 Oct+5th—Feedback appears two octaves plus a 5th above the reference note frequency.


• 2 Oct+7th—Feedback appears two octaves plus a 7th above the reference note frequency.


• High to Low—Feedback typically begins on the highest harmonic below 1200 Hz and descends to lower harmonics as the signal decays.


• Mid to Low—Feedback typically starts on the highest harmonic below 500 Hz and drops down to lower harmonics as the signal decays.


• Rndm Onset—New harmonics are selected randomly every time a new onset (note or chord's attack) is detected. In this case, repeating the same chord could still generate different harmonics.


• Rndm Trigger—New harmonics are selected randomly every time the Retrigger parameter is set to "Trigger." See the Retrigger parameter below.

Attack and Release

Controls how quickly feedback appears and how quickly each harmonic dies out or transitions to a different one. At higher values, you may hear more than one harmonic as they transition.

Dry Kill

Determines what happens to the dry (unaffected) signal:

• Off—The dry signal is controlled by the Dry Level parameter but is otherwise unaffected when the Feedbacker block is turned on.


• On—The dry signal is muted when the Feedback block is turned on. TIP: With Dry Kill on and Fdbk Type set to "Unison," playing slower, single notes can result in sounds similar to using an E-bow.


• Always—The dry signal is completely muted from the entire path, regardless of whether the Feedback block is on or off. TIP: Use this setting only when Feedbacker is on a parallel path.

Dry Level

Sets the amount of dry signal through the Feedbacker block. TIP: Assign this parameter to an expression pedal for blending in the dry signal behind the feedback.

Reference, Silence Thr, Onset Thr, and Offset Thr

Determines which note within a chord is referenced by the feedback, sets the level threshold above which feedback is generated, and controls the threshold of onsets and when feedback fades out.

Retrigger

Okay, Retrigger isn't a parameter per sé; it's meant for you to assign it to an unused momentary stomp switch. (Press and hold the Retrigger knob, press Learn, press the desired stomp switch, and then set Type to "Momentary.") Every time you press the switch (and the parameter changes from "---" to "Trigger"), the feedback generated will change, depending on the type of mode:

• High to Low or Mid to Low modes—Pressing the Retrigger switch will cause the Feedbacker to descend to lower harmonics.


• Rndm Trigger or Rndm Onset—Pressing the Retrigger switch will cause the Feedbacker to randomly choose a different harmonic.


• All other modes—Pressing the Retrigger switch will cause feedback to regenerate at the mode's selected frequency.

Trails

When on, feedback continues to ring out (for the duration of the Release parameter) after the block is bypassed. When off, feedback stops abruptly when the block is bypassed.

Description source: Line 6

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