Carl Martin Ottawa vs dpFX Pedals Variable Low Pass Filter

The Carl Martin Ottawa and the dpFX Pedals Variable Low Pass Filter are both pedals sharing bright. The Carl Martin Ottawa leans dynamic and analog warmth.

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.

47% somewhat different

Shared tone character
citedDerived from overlapping tonal signals across both listings.
  • bright
Citation fame
citedCitation/mention fame — how often this gear is cited across artist rigs and gear discussion.
0%
0%
Price

$150.88via 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.

This entry covers the dpFX Pedals Variable Low Pass Filter, a boutique filter pedal with a sweepable cutoff range spanning roughly 220 Hz up to 16.5 kHz based on its own listed specifications, letting players progressively roll off high frequencies anywhere from a subtle darkening of the top end to an extreme, muffled low-pass effect. A low-pass filter like this works by allowing frequencies below the cutoff point to pass through largely unaffected while attenuating everything above it, giving guitarists and bassists a tone-shaping tool distinct from a standard passive tone control, with a far wider and more precisely adjustable sweep range than most guitars' onboard controls offer.

Genres
citedGenres this gear is documented as being used in.
  • Soul
  • Funk
  • funk
  • soul
  • alternative
Tonal lean
  • dynamic
  • analog warmth

Related searches

Carl Martin Ottawa vs dpFX Pedals Variable Low Pass Filter — Shared Character & Differences — NodeTone