Always consult the official Owners Manuals first!
Pages A-C are under review. Pages D-Z have been checked and updated.

Multitap Delay block

From Fractal Audio Wiki
Jump to navigation Jump to search

Iii multitap-delay.jpg

Available on which products

  • Axe-Fx III: 2 blocks
  • FM3: 1 block
  • FM9: 1 blocks
  • Axe-Fx II: no
  • AX8: no
  • FX8: no

Channels or X/Y switching

  • Axe-Fx III and FM9 and FM3: 4 channels

What is the Multitap Delay

The Multitap Delay is a dedicated effect block in firmware Ares and later.

On the Axe-Fx II, AX8 and FX8, its functionality is part of the Multi Delay block.

In firmware 17.01 several types were added to the block, partly provided by forum member and effects guru Simeon.

More information in the Owner's Manual.


Firmware 17.01 and later:

  1. 1210 — based on TC's 1210 Spatial Expander / Stereo Chorus Flanger
  2. A.H. Clean Long: based on Allan Holdsworth's use of Yamaha's UD Stomp
  3. A.H. Clean Short
  4. A.H. Lead Long
  5. A.H. Lead Short
  6. A.H. Swell Long
  7. A.H. Swell Short
  8. Aerosol: based on a chorus preset in the Lexicon MPX 1
  9. Ambient Quad Tape
  10. Ambient Tape Delay
  11. Circular Delays
  12. Comb Filter Delay
  13. Dub Echo
  14. Filtered Mod Band Delay
  15. L-C-R-C
  16. MD Chorus
  17. Mono Diffusor
  18. PCM Circular: based on Lexicon's PCM
  19. PCM Pan: based on Lexicon's PCM
  20. Pealing Bells
  21. Quad Chorus
  22. Quad Diffusor
  23. Quad Parallel Delay
  24. Quad Series Delay
  25. Quad Tap Band Delay
  26. Quad Tape Delay
  27. Quad-Tap Delay
  28. Rhythmic Bands
  29. Shadows Taps
  30. Space Tape: based on the Roland Space Echo Tape Delay
  31. Stereo Shadows
  32. Swing Ping
  33. Ya-Ya Delay

Factory presets

The MTD block is showcased in some factory presets. Search the Factory presets page for "multitap".


In older firmware, this block did not support spillover between presets, but it does in current firmware.


Parameters table

Parameter Axe-Fx III / FM3 / FM9
Type yes
Config yes
Input Select yes
Global Mix yes
Master Time yes
Master Feedback yes
Master Level yes
Master Pan yes
Master Frequency yes
Master Q yes
Master LFO Rate yes
Master LFO Depth yes
Master Filter Freq yes
Master Filter Q yes
Master Chorus Rate yes
Master Chorus Depth yes
Master Comb Time yes
Master Comb Depth yes
Master Ring Mod Freq yes
Master Ring Mod Mix yes
Drive yes
Diffusion Mix, Time, LFO Rate, LFO Depth yes
Threshold yes
Attenuation yes
Release Time yes
Envelope Follower:
Threshold yes
Attack Time yes
Release Time yes
Time 1-4 yes
Tempo 1-4 yes
Feedback 1-4 yes
Level 1-4 yes
Pan 1-4 yes
Feedback Send yes
Feedback Return yes
Type yes
Frequency yes
Q yes
Gain yes
Low Cut, High Cut yes
Low Cut Slope, Hi Cut Slope yes
LFO 1,2 Type yes
LFO 1,2 Rate yes
LFO 1,2 Tempo yes
LFO 1,2 Depth yes
LFO 1,2 Phase yes
Frequency 1-4 yes
Q 1-4 yes
Filter LFO Type yes
Filter LFO Rate yes
Filter LFO Tempo yes
Filter LFO Depth yes
Filter LFO Phase yes
Chorus 1-4 Rate yes
Chorus 1-4 Depth yes
Chorus LFO 1-4 Rate yes
Chorus LFO 1-4 Depth yes
Comb Filter Type yes
Comb Filter 1-4 Time yes
Comb Filter 1-4 Feedbck yes
Ring Mod 1-4 Freq yes
Ring Mod 1-4 Mix yes


Diffusion has its own LFO modulation parameters.

Ring modulation

Single-sideband (SSB) ring modulators can be used to create strange and interesting echo sounds. To defeat the modulators, turn Master Ring Mod Mix to 0.

Envelope follower

The Multitap Delay has its own Envelope Follower, allowing volume swells.

The Owner's Manual recommends these settings: Threshold -70, Attack 400, Release 15.

Tips and tricks


Tutorial by Leon Todd

Using the Multitap Delay as a chorus

Individual delay lines in the Multitap Delay block can act a choruses. Each delay line has a LFO. The rate and depth of each LFO is individually adjustable. These add to the main LFOs which modulate each delay line at the same frequency but different phases. By using short delay times the Multitap Delay block can act as four parallel choruses, each with independent rate and depth.

"Four fully independent chorus voices, each with its own LFO and fully parametric control of time, level, pan, and tone, plus two global LFOs? It's a more versatile and powerful unit than a Tri-Chorus or the previous Fractal Audio "Quad Chorus", and in my quick experiments, easy to dial in so it sounds GREAT. Did I mention Feedback? It's actually a QUAD-CHORO-FLANGE! And you have two of them? audio I'm also thrilled to be using just one block to recreate my trust Ibanez BC-9, which was simply a 2-voice chorus with separate rate and depth on the left and the right. That unit has some very cool sounds." [1]

The Quad Chorus block in the previous hardware generation has not been migrated to the Axe-Fx III, FM3 and FM9. In firmware 17.01 and later, the Multitap Delay block provides a "Quad Chorus" effect type.

The Multitap Delay block in firmware 17.01 and later also provides chorusing effects. Try the "1210" type.