Keeley Electronics 30ms Double Tracker. Delay & Reverb. Abbey Road Style


The 30ms Double Tracker gives that classic “Abbey Road” style double tracking for a bigger, thicker sound. It is designed to work with guitar, bass, keyboard, and even vocals

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Keeley Electronics 30ms Double Tracker

The Keeley Electronics 30ms Double Tracker is a stereo effect pedal offers an array of studio-style doubling effects. Use it for creating thicker, fuller-sounding instruments.

Also included in the effect pedal is a reverb that simulates the famous chamber in Studio Two.

The Keeley 30ms works with guitar, bass, keyboard, and even vocals.

What does Robert Keeley say?

Says Chief Engineer Robert Keeley, “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.

The Keeley 30ms Automatic Double Tracker offers musicians the ability to take these techniques with them out on the road. All without a wide range of tools needed for crafting unique double tracking schemes.”

Bigger, thicker studio style sound

The Keeley Electronics 30ms Automatic Double Tracker pedal is both mono, with a built-in “Abbey Verb” reverb control, or stereo as the Double Tracker Pro.

The 30ms offers altered and detuned effects like a chorus pedal might sound.

However, it doesn’t have the regularity of an 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 sublime stereo.

Abbey Mode offers something more similar to a conventional chorus. It simulates synched tape decks running in parallel with varying tape speeds.

Great demos here


  • Tuning
  • Time
  • Reverb
  • Level

Stereo or mono, this mode gives players a wide, lush sound. However, it doesn’t sound like a conventional chorus pedal.

Lastly, the team at Keeley created a unique Slapback Mode for rockabilly sounds – a double-tracked echo.

Add the Keeley Abbey Verb to this mode to create stunning, new effects.

In Stereo Double Tracker Pro Mode, the unit drops the reverb channel in favor of complete control over the double-tracked voices.

Tune each of the two voices up to 30 cents sharp or flat.

These voices are then delayed by up to 30 milliseconds for subtle to very distinctive doubling sounds.

Users can program the wet output using internal switches. Have either dry and effected sounds or just the effect, giving them true double tracking in stereo– live.

Additional information

Weight 0.22 kg
Dimensions 11.5 × 6.3 × 3.5 cm
Analogue or Digital



Black, Red


65 mA



Pedal Type

Delay, Reverb

Power Connection Type

Centre Negative

Silicon or Germanium




EAN 13







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