Keeley Seafoam+ - Vibrato/Chorus

Various

Keeley Electronics

Seafoam Plus Chorus – True Chorus and ADT with Reverb

Keeley Engineering is changing the minds of even the most picky players… again.

We redefined chorus. There is a new style of chorus that actually sounds RIGHT.

We are proud to announce the all new Seafoam Plus Chorus – True Chorus and ADT with Reverb. It will forever change the way you think about chorus, because we have developed a new type of chorus that until now has only been available in expensive DAWs and in studios.  Not only is it tuned for guitar, but there are voices and modes created specifically for bass players including flanging and tremolo.  Lastly, this tri-mode chorus pedal offers internal switching for vintage and modern tones, further doubling the amount of sounds you can get.

  1. ADT: THE NEW DEFINITION OF CHORUS.  In the Seafoam Plus Chorus you get the automatic doubler that we developed in the revolutionary 30ms Double Tracker. Our ADT chorus is what we call True Chorus, because we create a second and third voice–like singers in a choir. Not only do they sing at different times, they sing at different pitches. True Chorus.

  2. Seafoam Mode: You guessed it… the all new Seafoam Plus Chorus–lush, wide, and with a very musical vibrato. It gives you the lush sounds and tone of a vintage BBD analog chorus unit. This is where you’ll find a typical chorus feature. The Seafoam Mode of the pedal has an LFO, the regularly cycling part you hear in most every other chorus unit. It provides a classic tone that you expect and which has become part of many classic tunes. Set the rate for slow and the depth for wide, and enjoy a really spacious sounding chorus. Roll the Mix Control all of the way up for Vibrato. With the Space control acting as a Tone Control in this mode, you can go from bright to vintage warmth, dialing in the perfect chorus.

  3. Dual Chorus Mode: We created a frequency crossover-based dual-chorus engine.  Imagine a dividing line that is centered on your high E-string. Control the depth of chorus independently for highs and lows. Craft the ultimate “Come As You Are” Nirvana of chorus tones. Create a very deep, throbbing chorus on the low end, and a near perfect calm on the top end. Or make the high-end and shimmer and waver while keeping the low end fixed!

ChoralFlangelo

OK, it goes twice as deep. The Seafoam Plus Chorus is a Bass Chorus, Flanger, and Tremolo too! Pop off the back, flick a switch, and it’s a bass guitar player’s dream. The Space Controls gives you controls or Regeneration, High-pass filtering to keep things tight, and a haunting Tremolo you have to hear to believe!  o let’s get down and funky, Michelangelo!

Vintage at Heart

Want a softer tone? Chorus that’s silky smooth and warm? No problem. Internal switching puts it in “Vintage Mode.” The Keeley Seafoam Plus Chorus ships in “Modern Mode” for ultra wide, lush, and high-fidelity chorus. Either way, enjoy sounds that are downright frighteningly good. Makes you wonder, “Is that my fingers playing that tone?!?”!

Seafoam Plus Chorus Modes

  • Dimension Chorus – Automatic Double Tracker

    • RATE/TUNE: Adjusts the Tune/Pitch of Double Tracked voices by 0-21 cents

    • DEPTH/TIME: Adjust the time delay in the Double Tracked voices by 0-21 milliseconds (ms)

    • SPACE: Abbey Chamber Reverb

    • BASS MODE: Flanger with Space knob for Positive and Negative Feedback control.  Center position is 0% Feedback.  Works perfectly on guitar too.

  • Seafoam Plus Chorus

    • RATE/TUNE: Rate from 0.1 – 7 Hz

    • DEPTH/TIME: Depth from 0-20 ms

    • SPACE:  Tone Control – +/- 6dB @ 500Hz

    • BASS MODE: Tone Control -6dB @ 100Hz to +6dB @ 200Hz

      Special Notes: This is a simulation of our popular Seafoam Chorus and other popular vintage chorus pedals.

  • Dual Seafoam Plus Chorus

    • RATE/TUNE: Rate from 0.1 – 7 Hz

    • DEPTH/TIME: Depth of the High Band Chorus 0-10ms

    • SPACE: Depth of the Low Band Chorus 0-15ms

    • BASS MODE: Chorus on Top End – Haunting, Throbbing Tremolo on Bottom end.

      Special Notes:  High Band chorus is delayed by 8ms and Low Band by 6ms.  Provides Wide Lush chorus on top and Focused Musical Chorus on bass.  Ultra wide and watery sounds!  For Bass Mode:  Band is split Chorus on Top and Tremolo on Bottom.


Technical Specifications On Seafoam Plus Chorus:

ModeRateDepthSpaceNotes
DimensionTune/Pitch
(0-21cents)
Time
(0-21ms)
ReverbHeavily modified Abbey Chamber type reverb.
SeafoamRate
(0.1 – 7Hz)
DepthTone-/+ 6dB @ 500Hz
Dual SeafoamRate
(0.1 – 7Hz)
Hi Depth
(0-10ms)
Low Depth
(0-15ms)
Crossover @ 659Hz
(12th fret of Hi E). Rate controls both hi and low (Lo 0.666 of Hi ).
Hi is delayed by 8ms, Lo delayed by 6ms
Bass FlangeRate
(0.1 – 3.5Hz)
Flange Depth-/+ FeedbackSpace controls pos and neg feedback, 0 feedback in center
Seafoam BassRate
(0.1 – 7Hz)
DepthTone-6dB @ 100Hz to +6dB @ 200Hz
Dual BassRate
(0.1 – 7Hz)
Hi Depth ChorusLo Depth TremoloHi/Lo crossover @ 200Hz (12th Fret G).
Rate controls both hi and lo (Lo 0.666 of Hi).
Hi is delayed by 8ms. Lo is a tremolo.

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