The ThorpyFX Pulse Doppler is a ThorpyFX phaser pedal, currently around $319. Close alternatives include the Strymon Zelzah -Dimensional Phaser and the TC Electronic Stereo Chorus Flanger. It pairs well with the Fender Bassman Combo Amp and the 1959 Fender Tweed Deluxe.

ThorpyFX Pulse Doppler

ThorpyFX · pedal

The ThorpyFX Pulse Doppler is an all-analogue twin-notch four-stage phaser developed with original Lovetone designer Dan Coggins, effectively a MkII of his 1995 Doppelganger in a far more compact and usable form. Multiple operating modes span classic phase shifting, pitch-wobbling vibrato, pure pulsating tremolo and a range of points in between. Depth, Rate, Blend, Enhance and Manual controls, plus two toggles and two footswitches, let it mimic the sweep of an MXR Phase 90 or an Electro-Harmonix Small Stone as well as Uni-Vibe throb and rotary-speaker shadings, though its overall tonality is brighter than a genuine '70s unit. Separate dry and wet outputs make it a true stereo effect, where its psychedelic swirl is most persuasive. It rewards learning rather than being plug-and-play. Built in a military-grade aircraft aluminium enclosure.

  • stereo
  • modulation
  • boutique
  • phaser
  • pitch
  • tremolo
  • vibrato
  • overdrive
$319View on Reverb

Price updated Aug 24, 2026

Genres the ThorpyFX Pulse Doppler is commonly used in

  • Ambient
  • Experimental
  • Post Rock
    citedInferred from shared tonal signals, not a stated genre tag.
  • Shoegaze
    citedInferred from shared tonal signals, not a stated genre tag.
  • Indie
    citedInferred from shared tonal signals, not a stated genre tag.

Amps that pair well with the ThorpyFX Pulse Doppler

Fender Bassman Combo Amp

amplifier

11% match

What Fender Bassman Combo Amp brings here leans toward transparent — that's worth building a pairing around

1959 Fender Tweed Deluxe

Fender

11% match

What 1959 Fender Tweed Deluxe brings here leans toward mid-forward — that's worth building a pairing around

Pedals that stack with the ThorpyFX Pulse Doppler

Paul Cochrane Timmy

Paul Cochrane

8% match

What Paul Cochrane Timmy brings here leans toward transparent — that's worth building a pairing around

Tech 21 SansAmp

Tech 21

8% match

What Tech 21 SansAmp brings here leans toward analog warmth — that's worth building a pairing around

Carl Martin DeLayla XL

Carl Martin

6% match
$376.72via Reverb

Carl Martin DeLayla XL's analog warmth voice goes after ThorpyFX Pulse Doppler in the signal chain — it's not there to compete with ThorpyFX Pulse Doppler's own modulated character — goes in the amp's FX loop (or last, into a clean amp)

Carl Martin Headroom

Carl Martin

6% match
$266.25via Reverb

Carl Martin Headroom's spring voice goes after ThorpyFX Pulse Doppler in the signal chain — it's not there to compete with ThorpyFX Pulse Doppler's own modulated character — goes in the amp's FX loop (or last, into a clean amp)

Cheaper alternatives

Warm Audio WA-C1 Chorus and Vibrato

Warm Audio

71% similarity
$189via Reverb

Shared character: stereo_output, vibrato, stereo

MXR Phase 90

MXR

70% similarity
$89.99via Reverb

“let it mimic the sweep of an MXR Phase 90 or an Electro-Harmonix Small Stone as well as Uni-Vibe throb”

Audiocade Stereo Pendulum Harmonic Panning Tremolo

Audiocade

67% similarity
$199via Reverb

Shared character: stereo, tremolo, ambient

Walrus Audio Monumental Stereo Harmonic Tremolo

Walrus Audio

67% similarity
$279via Reverb

Shared character: stereo, tremolo, ambient

Alexander Dynaflanger Model 213

Alexander Pedals

67% similarity
$229via Reverb

Shared character: stereo_output, stereo, ambient

Cusack Music Tap A Whirl V2

Cusack Music

66% similarity
$249via Reverb

Shared character: stereo, tremolo, modulation

Similar charactersee all similar tone character →

Strymon Zelzah -Dimensional Phaser

Strymon

70% similarity
$340.56via Reverb

Shared character: stereo_output, phaser, vibrato

TC Electronic Stereo Chorus Flanger

TC Electronic

67% similarity

Shared character: vibrato, stereo, modulation

Catalinbread Pareidolia

Catalinbread

94% similarity
$338.45via Reverb

similar tone character

Ibanez PH Mini

Ibanez

94% similarity

similar tone character

JHS Unicorn

JHS Pedals

94% similarity

similar tone character

Dophix THE Vitruvian MAN chorus/phaser

Dophix

93% similarity

similar tone character

See all alternatives to the ThorpyFX Pulse Doppler (cheaper + boutique) →

Questions people ask

What are good alternatives to the ThorpyFX Pulse Doppler?+

The closest matches in character are the Strymon Zelzah -Dimensional Phaser, the TC Electronic Stereo Chorus Flanger, the Catalinbread Pareidolia. Budget picks: Warm Audio WA-C1 Chorus and Vibrato, MXR Phase 90, Audiocade Stereo Pendulum Harmonic Panning Tremolo.

What pairs well with the ThorpyFX Pulse Doppler?+

Strong matches from rig and tone-complementarity evidence: Fender Bassman Combo Amp, 1959 Fender Tweed Deluxe, Paul Cochrane Timmy — What Fender Bassman Combo Amp brings here leans toward transparent — that's worth building a pairing around.

How much does the ThorpyFX Pulse Doppler cost?+

Around $319 (live listing price, updated Aug 24, 2026).

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ThorpyFX Pulse Doppler — NodeTone