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Average Price: $314
Standard/Professional
$200
$501+
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Price History
Based on price data from 2 merchants for "Walrus Audio MAKO Series ACS1". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.
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Description
Crafting your tone has never been easier with the Walrus Audio MAKO Series ACS1. This powerhouse pedal is an amp and cabinet simulator offering the sound and feel of world-class amplifiers, all packed into a compact, pedalboard-friendly design.
The ACS1 models three iconic amps that have shaped rock history: the bright and clear Fullerton, inspired by a vintage Fender Deluxe Reverb; the rich and harmonically complex London, based on the 1962 Marshall Bluesbreaker; and the jangly and biting Dartford, reminiscent of a '60s Vox AC30.
Moreover, the ACS1 comes loaded with six high-quality cabinet impulse responses (IRs), offering maximum tonal flexibility. And if you want to explore further, you can load your own IRs via the Walrus Audio app.
Customizable boost and onboard presets take your tone sculpting capabilities to the next level. The boost function allows you to quickly jump to a preset level of volume and gain, and you can also save up to three onboard presets for instant recall.
Key Features:
- Three vintage amp models: Fullerton, London, Dartford
- Six cabinet impulse responses with the option to load your own IRs
- Customizable boost function for a quick jump to a preset level of volume and gain
- Onboard presets: save up to three presets for instant recall
- MIDI support for advanced rigs: save and recall up to 128 presets
- True stereo signal path allows different amp/cab configuration on each channel
- High resolution 24-bit/48kHz A/D and D/A converters
- SHARC and ARM co-processors for high quality audio
- Headphone output for silent practice sessions
- Requires 9-volt DC power supply (300mA minimum)
- Made in the USA
Product specs
| Brand | Walrus Audio |
| Model | Mako ACS1 Amp + Cab Simulator |
| Finish | Gold |
| Year | 2021 - 2024 |
| Made In | United States |
| Categories | Amp Modeling Pedals, Cabinet Simulators |
| Pedal Format | Standard |
FAQs
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What type of power supply does the Walrus Audio MAKO Series ACS1 require?
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The Walrus Audio MAKO Series ACS1 requires a standard 9V DC power supply with a center-negative plug, drawing approximately 300mA of current.
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Can the Walrus Audio ACS1 be used with a bass guitar?
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Yes, the Walrus Audio ACS1 can be used with a bass guitar, as it offers versatile amp and cabinet simulations that cater to both guitar and bass frequencies.
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Does the Walrus Audio MAKO Series ACS1 have stereo output capabilities?
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Yes, the Walrus Audio MAKO Series ACS1 features stereo output, allowing you to connect to two separate amplifiers or recording interfaces for a wide, immersive sound experience.
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How many amp and cab simulations does the Walrus Audio ACS1 offer?
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The Walrus Audio ACS1 offers six amp models and six cabinet simulations, providing a wide range of tonal possibilities for different styles and preferences.
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Is the Walrus Audio ACS1 compatible with MIDI controllers?
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Yes, the Walrus Audio ACS1 is MIDI-compatible, allowing you to control various parameters and presets using an external MIDI controller for enhanced flexibility in live and studio settings.
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Can I load my own IRs into the Walrus Audio MAKO Series ACS1?
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Yes, the Walrus Audio MAKO Series ACS1 allows you to load your own impulse responses (IRs) via USB, enabling you to customize your sound with third-party cabinet simulations.
Videos
Reverb
Walrus ACS1 Amp & Cab Simulator | Tone Report Demo
Reviews
PROS
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Great amp and cab emulation with versatile options
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Compact size fits easily on pedalboards
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Stereo output enables different amps on left & right for expansive sound
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Effective with a wide range of pedals, especially klon style
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User-friendly interface; minimal need to consult manual
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Built-in presets and easy firmware updates enhance functionality
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Provides a room knob for realistic spatial sound, especially through headphones
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Compatible with Celestion IR's for improved sound quality
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Allows for silent practice with convincing amp tones through headphones
CONS
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Requires a DI for optimal use
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Some users report unconvincing settings and background noise
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Limited gain range; not designed for high-gain needs
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Described by some as overly compressed with unnatural breakup
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Lacks an aux-in plug for external audio playback
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Updates can only be done with Windows machine via Google Chrome
Owner Insights
We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Walrus Audio MAKO Series ACS1.
Features and functionality
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The ACS1 allows a stereo setup with two different amps, such as an AC30 and Fender Deluxe Reverb, enhancing tonal versatility.
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The pedal’s capability to load third-party IRs, like York Audio IRs, allows users to tailor the sound to their preference for added "sparkle."
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Firmware 2.0 significantly enhances the ACS1's gain, making it possible to achieve rich, saturated tones without additional pedals.
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The ACS1 lacks an effects loop, which some users miss, especially after the gain improvements in the recent update.
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The ACS1 comes with factory-loaded Fender cab IRs using Jensen C12NA ceramic speakers, but users can load third-party IRs for more tonal variety.
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Comparisons
Use cases and applications
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The ACS1 is particularly suited for home recording with minimal noise, making it ideal for environments where quiet practice is essential.
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The ACS1's headphone output is invaluable for late-night playing, allowing users to practice without disturbing others in the household.
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The ACS1's new firmware allows for playing and jamming without additional pedals, significantly improving standalone usability.
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User experience
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The new firmware update significantly improved the ACS1's gain levels and volume control, offering a more robust playing experience.
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Some users find the pedal's increased gain results in quick breakup and quiet tones on soft picking, suggesting an adjustment period may be necessary.
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Users report adjustments are needed post-update, such as lowering mixer gain settings to control volume and tone effectively.
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Owners interested in vintage Fender tones may seek out alnico speaker IRs to replicate the sound of historically accurate Fender amps.
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Mods and upgrades
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Users recommend exploring Celestion's website for third-party IRs, particularly the free Greenback IR, to experiment with different speaker sounds.
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Critic Reviews
5.0 out of 5
Based on 0 Reviews and 2 Ratings
Artist usage
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Jeffree Kunde of Jesus Culture showing of his new Walrus Audio MAKO Series ACS1 and MAKO Series R1. https://www.instagram.com/p/CMfeD5VAL9r/
Shot of the Walrus Audio Julianna, Lillian, Polychrome and ACS1 in David Hislops studio. https://www.instagram.com/p/CUVeiQcPjRi/
Stu G playing through the Walrus Audio ACS1. Quote from Stu, "I am super impressed!" https://www.instagram.com/p/CUan_4Xg-qR/
In Jay Som’s 2019 KEXP performance on YouTube, at 22:43 you can see her pedalboard with some type of Walrus Audio Mako pedal, probably an ACS1 (although the color in the picture seems more bronze) or the R1 reverb.
In the Digital Tour Bus video titled "Panchiko's Owain Davies - GEAR MASTERS Ep. 430," Owain is shown using the Walrus Audio MAKO Series ACS1 pedal, which is highlighted during the gear showcase segment.
Richie Nobrega Jr., a Walrus Audio sponsored musician, uses the Walrus Audio MAKO Series ACS1, as evidenced by a picture of his "Studio Board" on his Instagram @nobesmusic, which features this pedal prominently. You can view the image here: https://images.equipboard.com/uploads/source/image/149689/Screenshot_20240628_083335_Instagram.jpg
In an Instagram post by Dave Dupuis, he is seen using the Walrus Audio MAKO Series ACS1.
Genre Usage
Based on how artists on Equipboard use this gear, it is most commonly found in the following genres.
Used With
Based on how musicians on Equipboard use Walrus Audio MAKO Series ACS1, it is most commonly used with the following gear.
Community setups
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Add recommendation1 alternative for Walrus Audio MAKO Series ACS1, curated by the Equipboard community.
$366.00 - $399.00
The Strymon Iridium and the Walrus Audio ACS1 are going head to head in the amp is and IR loader pedal category. Both pedals offer three amp sims (Brit M type, Brit AC type and US F type) with a selection of IR speaker sims. Both offer stereo in and out and midi. The ACS1 is distinctive in that it offers different amp sims on either stereo channel.
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