Keeley 30MS Double Tracker Pedal


The Keeley Double Tracker is a unique way for you to maximize the size of your sound on stage. Double Tracking is one of the most used studio tools that simulates a second guitar, bass or keys player to make your sound much larger on stage.

How It Works

While you can use a stereo rig to help deliver a larger sound this pedal takes it up a notch. By delaying one of your signals by up to 30ms you get a realistic doubling of your guitar no matter if you have a mono or stereo rig.

In Mono mode you will get some almost chorus like effects out of your amplifier with a bit of tape modulation. The only difference to a normal chorus pedal is that this pedal doesn't have an LFO so you don't get the fluctuation just the double track effect.

In Stereo mode you get a much more controllable stereo effect that gives you a very powerful second guitar on stage. As you can vary the tuning and the delay of each side of the stereo rig you can make it as tight or as loose as you want to fit your sound.


While in mono mode you do get one added feature as you don't require the second tuning control. So when it ditches the second tuning option you instead get a beautiful 'Abbey Reverb' based off of the legendary Room 2 at a particular London based studio.

Here's what Keeley Say About the 30MS Double Tracker

"Since the early days of automatic double tracking pioneered by Ken Townsend and John Lennon at Abbey Road Studios, this technique has become the de facto way of creating recordings that sound bigger and fuller by making it sound like two guitars, or singers, or instrumentalists are playing at same time," said chief engineer Robert Keeley.  "The 30ms offers musicians the ability to take these techniques with them out on the road with a wide range of tools needed for crafting unique double tracking schemes."

The Keeley Engineering 30ms Automatic Double Tracker pedal can be used in mono with a built in "Abbey Verb" reverb control, or in stereo as the Double Tracker Pro.  The 30ms offers altered and detuned effects like a chorus pedal might sound, only without the regularity of a LFO oscillator in Dimension Mode.  In this mode you have the ability to create up to two different voices for a stereo double tracked field.  The user controls the tuning and delay for results that are stunning mono or through two amplifiers in stereo.  Abbey Mode offers something more similar to a conventional chorus in that it simulates synched tape decks running in parallel with varying tape speeds.  Stereo or mono this mode gives players a wide, lush sound without sounding like a conventional chorus pedal.  Lastly the team at Keeley created a unique Slapback Mode for rockabilly sounds.  The Slapback is now a double tracked echo with the two altered voices.  Add the Keeley Abbey Verb to this mode to create really new effects.

In Stereo Double Tracker Pro mode the unit drops the reverb channel in favor of complete control over the double tracked voices.  Each of the two voices can be tuned up to 30 cents sharp and flat.  Those voices are then delayed by up to 30 milliseconds for subtle to very distinctive doubling sounds.  The user can program by internal switches the wet output to have either dry and effected sounds, or just the effect, giving them true double tracking in stereo, live.

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