Carl Martin debuts streamlined Ottawa Vintage Optical Envelope filter pedal

Carl Martin Ottawa
(Image credit: Carl Martin)

Carl Martin has unveiled its latest modulation pedal, the Ottawa Vintage Optical Envelope filter. Ottawa, auto-wah... get it? 

The tongue-in-cheek pedal – supposedly named after Canada’s capital city and the "wah-wah-wah" of the politicians who reside there – is a beefed-up version of the brand’s pre-existing Optical Envelope Filter, and aims to deliver psych-inspired auto-pilot wah sounds.

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Matt Owen
Senior Staff Writer,

Matt is a Senior Staff Writer, writing for Guitar World, Guitarist and Total Guitar. He has a Masters in the guitar, a degree in history, and has spent the last 16 years playing everything from blues and jazz to indie and pop. When he’s not combining his passion for writing and music during his day job, Matt records for a number of UK-based bands and songwriters as a session musician.