The Dr. Scientist Dusk is a Dr Scientist envelope filter pedal, currently around $185.72. Close alternatives include the Subdecay Proteus MKII Sample and the Source Audio Spectrum. It pairs well with the Fender Bassman Combo Amp and the 1959 Fender Tweed Deluxe.

Dr. Scientist Dusk

Dr Scientist · pedal

The Dr. Scientist Dusk is a digitally-controlled analog envelope filter, not a wah or reverb, built around a sweepable +/-24dB per octave low-pass filter voiced through a warm, vintage OTA (Operational Transconductance Amplifier) circuit. It offers filter setting control, tap tempo, MIDI, and up to six selectable LFO shapes for auto-wah-style rhythmic sweeps, with four save-able presets (the analog Resonance control stays a physical knob, not saved). Mono in/mono out. It suits funk, psychedelic, and experimental players wanting a versatile, feature-rich envelope filter and auto-wah with old-school analog tone and modern digital convenience.

What stands out

“Scientist quality in a reverb design”
— from the community notes
“Boutique construction above mass-market reverb alternatives”
— from the reviews
“The Dusk delivers reverb at Canadian boutique quality from Dr”
— from the community notes
“Scientist Instruments, suited for players who want premium reverb character from a Canadian boutique manufacturer known for their careful circuit design”
— from the community notes
“Scientist Instruments quality in a reverb design for players who want boutique reverb performance”
— from the reviews

Trade-offs

“Strengths: Canadian boutique Dr”
— from the reviews
“use-case wise it suits players who want quality reverb for ambient”
— from the community notes
“post-rock”
— from the community notes

analog
filter
octave
low pass
mono
resonance
digital
studio

$185.72View on Reverb

Price updated Oct 24, 2026

Genres the Dr. Scientist Dusk is commonly used in

Alternative Rock
Post-Rock
Experimental
Ambient
Funk
Soul
^cited
Inferred from shared tonal signals, not a stated genre tag.

Amps that pair well with the Dr. Scientist Dusk

Fender Bassman Combo Amp

amplifier

Fender Bassman Combo Amp leans toward crunchy, and that's a real, usable character to pair with

Comes later in the signal chain

1959 Fender Tweed Deluxe

Fender

1959 Fender Tweed Deluxe's own transparent character is the real reason this is worth trying

Comes later in the signal chain

Pedals that stack with the Dr. Scientist Dusk

Paul Cochrane Timmy

Paul Cochrane

Paul Cochrane Timmy's own transparent character is the real reason this is worth trying

Comes later in the signal chain

Electro-Harmonix Big Muff Pi

Electro-Harmonix

$74.89via Reverb

Electro-Harmonix Big Muff Pi leans toward fuzzy, and that's a real, usable character to pair with

Comes later in the signal chain

Alexander Pedals Radical Delay

Alexander Pedals

$189.45via Reverb

Keep Alexander Pedals Radical Delay after Dr. Scientist Dusk in the signal chain, where it won't crowd Dr. Scientist Dusk — goes in the amp's FX loop (or last, into a clean amp)

Comes later in the signal chain

Boss DD-200 Digital Delay

Boss

$236.92via Reverb

Keep Boss DD-200 Digital Delay after Dr. Scientist Dusk in the signal chain, where it won't crowd Dr. Scientist Dusk — goes in the amp's FX loop (or last, into a clean amp)

Comes later in the signal chain

Cheaper alternatives

Carl Martin Ottawa

Carl Martin

$145.09via Reverb

Shared character: natural resonance, filter

Carl Martin Ottawa Vintage Optical Envelope Auto-Wah/Envelope Filter

Carl Martin

$143.54via Reverb

Shared character: natural resonance, filter

Electro-Harmonix Q-Tron Plus

Electro-Harmonix

$162.08via Reverb

Shared character: natural resonance, filter

Electro-Harmonix Blurst

Electro-Harmonix

$113.08via Reverb

Shared character: features tap tempo, natural resonance, filter

Animals Pedal Double Spy Mission is Imp Filter

Animals Pedal

$104.78via Reverb

Shared character: one octave, filter

EarthQuaker Devices Spatial Delivery V2

EarthQuaker Devices

Shared character: natural resonance, filter

Boutique & premium upgrades

Maxon AF-9 Auto Filter

Maxon

$263.27via Reverb

Shared character: natural resonance, analog, filter

Source Audio Encounter

Source Audio

Shared character: filter

Source Audio Toolblox Programmable EQ

Source Audio

Shared character: filter, digital, studio

Pigtronix Resotron Analog Tracking Filter

Pigtronix

Shared character: one octave, analog, filter

Free The Tone PA-1QA Programmable 10 Band EQ

Free The Tone

Shared character: digital, studio

Similar charactersee all similar tone character →

Subdecay Proteus MKII Sample

Subdecay

Shared character: features tap tempo, natural resonance, filter

Source Audio Spectrum

Source Audio

$207.57via Reverb

Shared character: one octave, filter, ambient

DigiTech DSP 256XL

Digitech

Shared character: digital, reverb, studio

See all alternatives to the Dr. Scientist Dusk (cheaper + boutique) →

Questions people ask

What are good alternatives to the Dr. Scientist Dusk?+

The closest matches in character are the Subdecay Proteus MKII Sample, the Source Audio Spectrum, the DigiTech DSP 256XL. Budget picks: Carl Martin Ottawa, Carl Martin Ottawa Vintage Optical Envelope Auto-Wah/Envelope Filter, Electro-Harmonix Q-Tron Plus. Boutique upgrades: Maxon AF-9 Auto Filter, Source Audio Encounter, Source Audio Toolblox Programmable EQ.

What pairs well with the Dr. Scientist Dusk?+

Strong matches from rig and tone-complementarity evidence: Fender Bassman Combo Amp, 1959 Fender Tweed Deluxe, Paul Cochrane Timmy — Fender Bassman Combo Amp leans toward crunchy, and that's a real, usable character to pair with.

How much does the Dr. Scientist Dusk cost?+

Around $185.72 (live listing price, updated Oct 24, 2026).

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