The MXR EP3 Echoplex Preamp is an MXR preamp pedal. Close alternatives include the Strymon Fairfax Preamp and the Spaceman Atlas III. It pairs well with the Beetronics Overhive and the Dr. Scientist Frazz Dazzler.

MXR EP3 Echoplex Preamp

MXR · pedal

The MXR EP3 Echoplex Preamp is a recreation of the legendary Maestro Echoplex tape echo unit's preamp stage, a circuit used by Jimmy Page, Eddie Van Halen, Stevie Ray Vaughan, and many others as a tone-enhancing preamp before their amplifiers. The Echoplex preamp provides a warm, harmonically rich boost with slight natural compression and added tonal sparkle that many iconic recordings relied on even when the echo function was not engaged. The EP3 provides this preamp boost independently from the Echoplex's delay function.

What stands out

  • “MXR's version provides the EP preamp character with Dunlop build reliability”

    — from the community notes

  • “The Echoplex preamp provides a warm, harmonically rich boost with slight natural compression and added tonal sparkle that many iconic recordings relied on even when the echo function was”

    — from the listing

  • “The EP3 provides this preamp boost independently from the Echoplex's delay function”

    — from the listing

  • “The warmth and sparkle the preamp adds have contributed to some of the most iconic guitar tones ever recorded”

    — from the community notes

  • “One of the most storied tone-enhancing circuits in guitar history, the Echoplex preamp was used by Page, Van Halen, and SRV as a tonal enhancer and amp driver independent of the delay”

    — from the community notes

Trade-offs

  • “the mxr ep3 echoplex preamp is a recreation of the legendary maestro echoplex tape echo unit”

    — from the listing

  • sparkle
  • natural compression
  • warmth
  • boost
  • recording
  • clean boost
  • stage

Genres the MXR EP3 Echoplex Preamp is commonly used in

  • Blues
    citedInferred from shared tonal signals, not a stated genre tag.
  • Alternative
    citedInferred from shared tonal signals, not a stated genre tag.
  • Classic Rock
    citedInferred from shared tonal signals, not a stated genre tag.

Pedals that stack with the MXR EP3 Echoplex Preamp

Beetronics Overhive

Beetronics

25% match

clean platform takes the driveA clean, high-headroom stage takes on dirt it can't generate by itself. (transparent → medium gain)

Beetronics Overhive leans this transparent tone toward medium gain, which it doesn't make on its own

Comes earlier in the signal chain

Dr. Scientist Frazz Dazzler

Dr Scientist

25% match
$203.33via Reverb

clean platform takes the driveA clean, high-headroom stage takes on dirt it can't generate by itself. (transparent → low gain)

The transparent tone has headroom to spare — Dr. Scientist Frazz Dazzler leans it toward low gain to fill it in

Comes earlier in the signal chain

MXR Flanger

MXR

18% match

sits in the right chain slotPlaced for where it does its job cleanly in the chain, not for a tonal interaction with the anchor.

Run MXR Flanger after MXR EP3 Echoplex Preamp in the signal chain, clear of MXR EP3 Echoplex Preamp's own gain stage

Comes earlier in the signal chain

Demeter Compulator

Demeter

16% match

fills a frequency gapFills in a frequency range the other side doesn't cover, instead of piling more onto what's already there. (transparent → mid-forward)

Demeter Compulator leans toward smooth, and that's a real, usable character to pair with

Comes earlier in the signal chain

Strymon blueSky Reverberator

pedal

10% match

sits in the right chain slotPlaced for where it does its job cleanly in the chain, not for a tonal interaction with the anchor.

Strymon blueSky Reverberator's pristine voice goes after MXR EP3 Echoplex Preamp in the signal chain — it's not there to compete with MXR EP3 Echoplex Preamp's own airy character — goes in the amp's FX loop (or last, into a clean amp)

Comes later in the signal chain

Alexander Pedals Now We Are Ghosts Reverb

Alexander Pedals

10% match
$399via Reverb

sits in the right chain slotPlaced for where it does its job cleanly in the chain, not for a tonal interaction with the anchor.

Keep MXR EP3 Echoplex Preamp's airy voice out front: Alexander Pedals Now We Are Ghosts Reverb goes after MXR EP3 Echoplex Preamp in the signal chain so its ambient voice doesn't muddy it — goes in the amp's FX loop (or last, into a clean amp)

Comes later in the signal chain

Tone City Dry Martini

Tone City

tonal match
$50.83via Reverb

Comes earlier in the signal chain

Tone City Dry Martini is voiced for a clean amp's front end — MXR EP3 Echoplex Preamp gives it exactly that

Boss SD-1 Super OverDrive

Boss

tonal match
$59via Reverb

Comes earlier in the signal chain

Into MXR EP3 Echoplex Preamp, Boss SD-1 Super OverDrive is right at home: it's built around a clean amp's front end

Alternativessee all similar tone character →

Strymon Fairfax Preamp

Strymon

65% similarity

Shared character: warm

Spaceman Atlas III

Spaceman

59% similarity
$120via Reverb

Shared character: boost, warm

K Pedals Vintage Preamp

K Pedals

58% similarity

Shared character: boost, warm, stage

Spaceman Effects Atlas IV

Spaceman

58% similarity
$120via Reverb

Shared character: circuit, boost, warm

Dunlop MXR M293 Booster Mini

Dunlop

58% similarity
$110via Reverb

Shared character: gold sparkle, boost, presence

Ibanez Tube King TK999OD Overdrive

Ibanez

53% similarity

Shared character: boost, warm, stage

Behringer PB100 Preamp Booster

Behringer

51% similarity

Shared character: boost, presence, stage

MXR Micro Amp

MXR

51% similarity
$76.52via Reverb

Shared character: boost, presence, recording

Xotic BB Preamp

Xotic

50% similarity
$219via Reverb

Shared character: boost, warm

Xotic EP Booster

Xotic

50% similarity
$145.54via Reverb

Shared character: boost, warm

Benson Amps Portable Distortion 424 MKII

Benson Amps

50% similarity
$199via Reverb

Shared character: circuit, boost, warm

Univox UD-50 Uni-Drive

pedal

49% similarity

Shared character: boost, warm

See all alternatives to the MXR EP3 Echoplex Preamp (cheaper + boutique) →

Questions people ask

What are good alternatives to the MXR EP3 Echoplex Preamp?+

The closest matches in character are the Strymon Fairfax Preamp, the Spaceman Atlas III, the K Pedals Vintage Preamp.

What pairs well with the MXR EP3 Echoplex Preamp?+

Strong matches from rig and tone-complementarity evidence: Beetronics Overhive, Dr. Scientist Frazz Dazzler, MXR Flanger — Beetronics Overhive leans this transparent tone toward medium gain, which it doesn't make on its own.

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