Carl Martin Ottawa vs Dr. Scientist Dusk

The Carl Martin Ottawa and the Dr. Scientist Dusk are both pedals sharing analog warmth. The Carl Martin Ottawa leans dynamic. The Dr. Scientist Dusk leans octave and ambient. Current prices: $150.88 vs $187.61.

Similarity
citedBlended from circuit-archetype lineage, dynamic feel, tone-signal overlap and tone-vector distance — the tone vector itself is derived from editorial description text, not a measured acoustic signal, so this reflects how similarly the catalog copy describes the two, not a lab measurement. Shown only within a gear class, and only where there's enough evidence to be meaningful.

37% — somewhat different

Shared genres
citedGenres both listings are associated with.
  • Funk
Shared tone character
citedDerived from overlapping tonal signals across both listings.
  • analog warmth
Citation fame
citedCitation/mention fame — how often this gear is cited across artist rigs and gear discussion.
0%
0%
Price

$150.88via Reverb

$187.61via Reverb

Description

The Carl Martin Ottawa is an analog optical envelope filter pedal delivering classic auto-wah and filter sweep effects without a treadle. Features three selectable filter modes: High Pass (HP), Band Pass (BP), and Low Pass (LP) for different frequency response characters. Q control shapes resonance and filter sweep width. Attack and Tone controls adjust filter response timing and high-frequency content. Current draw approximately 14mA. Danish boutique analog construction. Suited for funk, soul, and R&B guitar and bass players seeking touch-sensitive auto-wah tones.

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.

Genres
citedGenres this gear is documented as being used in.
  • Soul
  • Alternative Rock
  • Post-Rock
  • Experimental
  • Ambient
Tonal lean
  • dynamic
  • octave
  • ambient
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Carl Martin Ottawa vs Dr. Scientist Dusk — Shared Character & Differences — NodeTone