Pricing and availability
We compare 600+ stores and found this item at 3 stores. Prices updated .
Store
Reviews
Price
Average Price: $138
Standard/Professional
$70
$251+
Price Tier
Budget
Standard
High-end
Price History
Based on price data from 2 merchants for "Carl Martin Ottawa". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.
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Description
Unlock a world of expressive sonic possibilities with the Carl Martin Ottawa, a dynamic auto-wah and optical envelope filter pedal that transforms your guitar or bass into a versatile tone machine. Whether you're diving into the psychedelic swirls of the '60s or grooving to the disco beats of the '70s, this pedal effortlessly recreates the iconic wah sound without the need to manually rock a pedal.
The Ottawa is designed to respond with precision to your playing style, providing you with a personalized sound experience. Its intuitive controls, including Attack (Sensitivity), Tone (High-Cut), Q (Bandwidth), and Level, allow for meticulous shaping of your sound. Choose between High Pass, Band Pass, or Low Pass filter settings with a simple switch, giving you the freedom to explore a wide spectrum of tonal landscapes.
This pedal is built for seamless integration into any rig, featuring 6.3 mm jack input and output connections and a sturdy footswitch for easy effect bypass. The LED indicator ensures you always know when your effect is engaged, while the robust construction promises durability on stage or in the studio. Please note, the Ottawa is powered by an external 9 V DC adapter (not included), making it a reliable companion for your musical adventures.
Key Features:
- Auto Wah / Optical Envelope Filter
- Dynamic response to playing style
- Controls: Attack (Sensitivity), Tone (High-Cut), Q (Bandwidth), Level
- Switchable HP/BP/LP filter modes
- LED Effect On indicator
- Footswitch for effect bypass
- 6.3 mm jack input and output connections
- External 9 V DC power supply required (not included)
Product specs
| Available since | September 2021 |
| Wah Wah Pedal | No |
| Volume Pedal | No |
| Dynamic Wah | Yes |
| Distortion | No |
| True Bypass | No |
| Effect Types | Envelope Filter |
FAQs
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What type of effect does the Carl Martin Ottawa provide?
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The Carl Martin Ottawa is an envelope filter pedal, which mimics the sound of a wah pedal and is ideal for both solo and rhythm work.
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Does the Carl Martin Ottawa have true bypass?
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No, the Carl Martin Ottawa does not feature true bypass, meaning the signal may be slightly altered when the pedal is not engaged.
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What filters are included in the Carl Martin Ottawa?
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The Carl Martin Ottawa includes three presets: High Pass, Band Pass, and Low Pass filters, allowing for versatile tonal adjustments.
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Can I adjust the attack and tone on the Carl Martin Ottawa?
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Yes, the Carl Martin Ottawa allows you to adjust the bandwidth, attack, level, and tone to tailor the envelope effect to your preferences.
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Is the Carl Martin Ottawa suitable for distortion effects?
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No, the Carl Martin Ottawa is not designed for distortion effects; it focuses on dynamic wah and envelope filtering.
Videos
Pete Thorn
THE FUNKY CANADIAN PEDAL! CARL MARTIN OTTAWA ENVELOPE FOLLOWER
THE FUNKY CANADIAN PEDAL! CARL MARTIN OTTAWA ENVELOPE FOLLOWER
Pete Thorn
Carl Martin Ottawa / Simon Gotthelf
Simon Gotthelf Music
Carl Martin Ottawa - Sound Demo (no talking)
Guitar Bonedo
This Effect Makes You Better At Guitar | Carl Martin Ottawa | Gear Corner
Kris Barocsi
Not just a clever name! - Ottawa AutoWah from Carl Martin
TheGuitarGeek
Who Needs Wah When You Can Have Ottawa - CARL MARTIN OTTAWA
Leigh Fuge
Carl Martin Ottawa
Pedalmakers
Carl Martin Ottawa | Guitar Interactive | Review
Guitar Interactive Magazine
Ottawa // Carl Martin // Demo by Martin Klaja
Martin Klaja's Guitarchannel
The Ottawa by Carl Martin - The Shakedown Sound Series
PJ and the Beard
Reviews
PROS
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Produces a smooth, noise-free analog sound with no clipping
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Versatile with a variety of sound options
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Compact, slim design fits easily on a pedalboard
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High-quality build and classy appearance
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Easy to master for quick adaptability
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Offers a unique analog envelope filter effect distinct from digital filters
CONS
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Primarily suited for occasional use rather than as a mainstay effect
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Filter pass options may not be extreme enough for all users
Owner Insights
We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Carl Martin Ottawa.
Comparisons
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The Carl Martin Ottawa is preferred over the Nano Q-Tron for being less lo-fi, while the 3 Leaf Proton offers great sound but is less versatile and slower in response.
Source -
The Carl Martin Ottawa is considered alongside the 3 Leaf Proton and Nano Q-Tron, with the latter sometimes perceived as more limited and less versatile.
Source -
Users transitioning from the EHX Q Tron to the Carl Martin Ottawa report a preference for Ottawa's sound and usability.
Source
Features and functionality
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The Carl Martin Ottawa is noted for being reasonably priced and versatile among envelope filters, making it a strong contender against more expensive models.
Source -
The Carl Martin Ottawa offers controls for attack, tone, and Q, plus a switch for low pass, high pass, and bandpass filters for versatile sound shaping.
Source -
The Ottawa is recognized for maintaining a strong envelope effect without sacrificing low end, a common issue with other filters.
Source
Use cases and applications
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Users playing psychedelic stoner rock and funky classic soul find the Carl Martin Ottawa to be a suitable choice due to its versatile sound range.
Source -
Ideal for achieving sounds ranging from extreme synth-like effects to funky quacks, and even John Mayer-inspired tones, making it suitable for diverse musical styles.
Source -
The pedal's ease of use makes it a suitable choice for players who need an envelope filter only sporadically.
Source
Critic Reviews
Based on 0 Reviews and 0 Ratings
Genre Usage
Based on how artists on Equipboard use this gear, it is most commonly found in the following genres.
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