OVERVIEW
SPREADER
The Spreader plug-in in Logic Pro is a stereo-imaging tool designed to widen or enhance the stereo field of a sound. It works by subtly detuning and phase-shifting the left and right channels to create a sense of space and dimension. It’s especially useful for giving mono sounds more presence in a mix or adding shimmer and width to pads, synths, and vocals.
Rate: Controls how fast the modulation moves between the left and right channels — faster rates create more motion, while slower rates provide smooth, natural width.
Intensity: Determines how strongly the modulation affects the signal. Higher values produce a wider, more animated sound; lower values give gentle stereo enhancement.
Channel Delay: Introduces a small timing offset between left and right channels, increasing perceived stereo width. Use sparingly to avoid phase issues when summed to mono.
Mix: Balances the dry (unprocessed) and wet (spread) signals. Keep this lower for subtle width or higher for a more dramatic, chorus-like effect.
A mono track feels too centered or flat.
You want to widen synths, pads, guitars, or backing vocals.
You’re looking to add depth and shimmer to a mix without heavy reverb.
You need movement and stereo energy in an otherwise static part.
“Time” – Pink Floyd (spacious guitars and effects)
“Midnight City” – M83 (wide synth textures)
“Viva La Vida” – Coldplay (string and synth stereo layering)
“Starboy” – The Weeknd (modern, glossy stereo image)
Subtle Goes Far: Keep Intensity and Channel Delay low on lead vocals or bass to maintain focus.
Pad Perfection: Use a slow Rate and moderate Intensity on synth pads for lush stereo depth.
Guitar Glow: Combine Spreader with Chorus or Tremolo for a shimmering, vintage stereo guitar tone.
Automation Trick: Gradually increase Mix during transitions to make sections feel wider and more open.
Chain: Apply Spreader after EQ and compression, before reverb or delay.
Settings: Keep Channel Delay under 10 ms for mono-safe width.
Layering: Stack Spreader subtly across multiple layers instead of one heavy instance.
FAMOUS USES
(These songs use this type of effect, even if not from Logic specifically.)
“Time” – Pink Floyd (spacious guitars and effects) (3:34)
“Midnight City” – M83 (wide synth textures) (4:46)
“Viva La Vida” – Coldplay (string and synth stereo layering) (3:46)
“Starboy” – The Weeknd (modern, glossy stereo image) (3:54)
VIDEO TUTORIALS
Simon Sound Studio provides a thorough tutorial on how flanger effects work and shows how to apply the Logic Pro Flanger Effect on a guitar track. (10:16)
Jono describes modulatory effects in Logic Pro. He discusses flanging and provides a tutorial on how to use Logic Pro's Flanger Effect plug-in starting at 6:16. (10:54)
Woodstock on the Beat gives the shortest and most concise description of how a flanger works. (1:15)
CableGuys provides a quick demo of how a flanger works. (0:30)
SOURCE ARTICLES
SOURCE ARTICLES YOU CAN READ:
QUIZZES
MANUAL