acs1 pedal Walrus Audio Mako Series MKII ACS1 Amp + Cab Simulator Pedal – Stompbox.in
SKU: 81587631727
acs1 pedal

acs1 pedal Walrus Audio Mako Series MKII ACS1 Amp + Cab Simulator Pedal – Stompbox.in

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Description

acs1 pedal Walrus Audio Mako Series MKII ACS1 Amp + Cab Simulator Pedal – Stompbox.inThe [ACS1] is an amplifier and speaker cab simulator delivering the sound and feel of world class amplifiers, complimentary speaker cabinet IRs created by Tone Factor and York Audio, and controllable room size. With the ACS1, players have expansive options to deliver their tone on stage, in the studio, or practicing at home. Simple controls, stereo in and out, onboard presets, and MIDI support make the ACS1 an essential tool in a guitarist's arsenal.

The [ACS1]™ is an amplifier and speaker cab simulator delivering the sound and feel of world-class amplifiers, complimentary speaker cabinet IRs created by Tone Factor and York Audio, and controllable room size. With the ACS1, players have expansive options to deliver their tone on stage, in the studio, or practicing at home. Simple controls, stereo in and out, onboard presets, and MIDI support make the ACS1 an essential tool in a guitarist's arsenal. Players can also load in their own IRs and update firmware at walrusaudio.io.

The ACS1 contains six amplifier models based on fan-favorite amps, each with its place in music history, and twelve cab IRs (Impulse Responses) designed by world-class designers to give you the best tonal representation possible. The stock IRs for the Fullerton, London, and Dartford amp models were custom-engineered by David Hislop and Kenyon Reed at Tone Factor, while the stock IRs for the Red, Citrus, and Tread amp models were designed by Justin York at York Audio.

Amplifiers

The ACS1 can mix and match stereo amp and cab combinations. Want to run an AC30-style amp on the left and an Orange-style amp on the right? Or perhaps a 5150 flavored amp in both channels but with two different cabs for a wider stereo sound? When running the ACS1 in stereo, one amp can be used through both channels, or these combinations can be run independently left and right if you choose, leading to powerful, unique amp tones. Simply press down on the Middle encoder to choose individual settings for L, R, or L+R combined. Amps can be mixed and matched with no phase/polarity issues as well.



Onboard models include:

Three Vintage Amp Models

Fullerton - Inspired by the classically bright and clear Fender® Deluxe Reverb. Crisp clean tones with loads of headroom that players have come to love over the years.

London - Inspired by a 1962 Marshall® Bluesbreaker with a harmonically rich, valve-driven breakup. Articulate and sensitive response.

Dartford - Inspired by the legendary jangly high-end tones from a 1960s Vox® AC30 with all the bite and chime from the British Invasion.

Three High Gain Amp Models

Red: Inspired by the distinctively raw and punchy Peavey® 5150, producing heavy, aggressive modern metal and hard rock sounds. Powerful and saturated with a tight low end, strong midrange, and a bright, cutting high end.

Citrus: Inspired by the warm, rich, and harmonically complex Orange® Rockerverb. Classic British gain with a creamy midrange and punchy lows. Maintains clarity and definition across its entire tonal spectrum, even at high-gain settings.

Tread: Inspired by the world-famous Mesa Boogie® Dual Rectifier with massive amounts of in-your-face gain. Versatile enough to be favored by guitarists in genres from hard rock, punk, metal, and more, Tread offers up plenty of saturation that’s heavy and ready to cut through the mix.

Cabinet IRs

The ACS1 includes six IRs custom-engineered by David Hislop and Kenyon Reed at Tone Factor and six by Justin York of York Audio. Each IR has been created with vintage and modern amps to deliver the best tonal representation possible.

Users also have the option to load their own IRs via our customer web app found at walrusaudio.io.


Additional ACS1 Settings/Features

Primary Controls


Volume, gain, and room make up the top three knobs. Volume and gain work together, as gain is increased and made louder, volume can be turned down to compensate.

Room 

The ACS1 has three different types of reverb effects:

Room - Simulates the size of the room that your amp and cabinet are in. At zero, it would resemble tracking your amp in an isolated environment with no reverb. At max would emulate a natural-sounding, large studio environment.

Hall - Simulates the acoustics of a large, live sound space.

Spring - Simulates spring reverb tanks found in tube amps.

Increase the room size or amount of reverb by adjusting the Room knob. The further clockwise you go, the bigger the room. Decay control can be adjusted for room in the Global Sound menu.

Bass/Mid/Treble EQ

Bass, mid, and treble control are adjustable on the home screen with the use of the encoder knobs. The left knob controls bass, the middle is mids, and the right is treble. This simple EQ control has clear visual feedback and can be used to adjust levels on the L, R, and L+R channels.

Noise Gate

A noise gate can be applied and adjusted within the navigation menu, which can be especially helpful when playing with the high-gain amp models.

Amp EQ

Presence and resonance controls are available within Amp EQ Settings in the menu, giving you even more control of your amp tone.

(Access the settings for noise gate, Amp EQ, and more by clicking the bottom left and middle encoder knobs simultaneously).

Bypass IRs or Amps

Cab IRs as well as amp models can both be bypassed with the ACS1, making it more flexible for ampless rigs that still have physical cabs, and vice versa. Access these settings by clicking the bottom middle and right encoder knobs simultaneously. 

Presets

Save up to three presets onboard by dialing in your favorite sound then pressing and holding the bypass and boost switch simultaneously. Both LEDs will flash confirming your settings were saved. Cycle through presets by pressing and releasing bypass and boost simultaneously. The pedal will cycle through the three onboard presets - red, green, and blue. Additional banks and presets can be accessed in the Global Sound menu by pressing down the Left and Middle encoders simultaneously. When power is removed from the pedal, it will boot up in the last used preset. Using MIDI, up to 128 presets can be saved and recalled.

Specs

  • The ACS1 MKII comes in an anodized gold finish with black and green ink.
  • The 2in OLED screen measures 128x32 pixels.
  • The enclosure’s exact size with knobs is 4.9” x 2.52” x 2.64”.
  • Power requirements are 9VDC (300mA minimum).
  • The use of an isolated power supply is recommended for powering all Walrus Audio Pedals. Daisy chain power supplies are not recommended. Power supply not included.
  • 24-bit 48kHz A/D and D/A converters for high quality audio.
  • 32-Bit floating point processing.
  • Sharc & ARM co-processors.
  • Update firmware and load IR cabinets at www.walrusaudio.io
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
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  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 81587631727

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4.6 ★★★★★
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Melanie
Massapequa, US
★★★★★ 5
Happy it is unflavored
Flavor Name: Unflavored, Size: 1.46 Pound (Pack of 1)
I was worried about the taste based on some of the reviews. I tried it in my coffee, and I'm glad I did it that way. I keep coffee in the fridge, so that is what I mixed with one tablespoon of this. I use half and half and no sugar. I tasted it. It tastes like burnt coffee. Not a bad thing...thats just what the taste it added. I decided to see what would happen if I added a splash of a flavored creamer. The taste went away instantly. Hope this helps someone!
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Reviewed in the United States on January 13, 2026
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Customer
Birmingham, US
★★★★★ 5
Purchase or perish.
Format: Paperback, Format: Paperback
I don't think Mike can produce anything below 5 stars. In his recent Christmas episode on the Naked Bible Podcast I was a bit wary of listening to it. I realize this is a review of his book here, but let me make my point. The problem with not wanting to listen to his Christmas episode is that I don't really care if Christmas was/is a pagan holiday. So, honestly, it wasn't appealing to me. Somehow I ended up listening to it, and I'm telling you the amount of information he crammed in there was FASCINATING. I'm not kidding. I was so tired of hearing that subject (because I've been born and raised into Christianity), but Mike and Trey did their thing and it had me on the edge of my metaphorical seat the entire time. If you listen to that episode (Naked Bible Episode 195) you'll see exactly what I'm talking about. And what's the point of all that I just said? It's that Mike doesn't do anything half way. All that he puts out is serious work that is worthy of much consideration. No Hillary v. Trump fact checking here (though I'm sure he'd encourage you to research what he's saying). The point is, however, that not everyone has the training that he or his contemporaries have. And THAT is exactly why it is paramount that we rely upon scholars who have said extensive training. I challenge you with this (something I've challenged myself to accept): You essentially know nothing about the Bible if you don't have not just Heiser's background, but other scholars such as John H. Walton. There are many to list, but Walton would be a good companion to list next to Heiser. If you're the lay-person, do yourself a favor and pick up this work, or The Unseen Realm (or both!) and any of Walton's work. Open up your mind and challenge yourself to realize that unless you are incredibly familiar with the Ancient Near East's way of life and thought processes, then it's highly likely that you don't actually understand what is going on when you read the Bible. Enter "The Bible Unfiltered." Considerations for the seminary student: This is a great book for those who need a quick reference on a particular subject. Heiser's name is well known, and thus to reference this book in one's papers, even for a one-liner, is to reference legitimate scholarship. I'm not advocating that one does one's entire paper off of just one chapter from this book, but my point is more-so that with Heiser's reputation it will be known that you're not quoting Joe Scholar who earned his PhD in I Do What I Want. If you know Mike then you know that he's done a lot of work to present to you CONTEXTUAL research on any given listed topic. For that alone the price is worth it (though it undoubtedly cost him more to do the research that it does for us to purchase the book). Considerations for the lay-person: 1. On p. 7, Heiser says, "If Bible study doesn't seem like work to you, you aren't really doing it." Yes, that's harsh, but so was Phinehas, Peter, Paul, and Jesus. (Even Bonhoeffer was harsh in his "The Cost of Discipleship")! Over and over again Heiser says on his podcast that Bible reading is not actually Bible STUDY (not yelling, I just don't have italics in this comment box). 2. This book is great for having a quick reference for subjects. You do not have to read the book in order to understand the content of any given chapter. I use this book to help direct me to other scriptures that I can't seem to remember. Here, Heiser treats topics with brevity, yet with depth at the same time--depth that stems from years of immersing hisself in the original cultural context, the surrounding culture's contexts, and original languages of the Bible. In other words, this book will act, for the lay person, as an appetizer that gets you excited for the full meal and subsequently spark a desire within you to finally take seriously contextual Bible study. If you've never read Heiser's stuff before, this is a great place for you to get introduced to his work. From here I'd recommend getting The Unseen Realm, and then Reversing Hermon. Follow all his other works at drmsh.com, nakedbiblepodcast.com, and moreunseenrealm.com (I'm not getting paid to say all of this). Considerations for the scholar: Rid yourself of your presuppositions, get with the times, and adopt the supernatural worldview of the Bible's authors, because yours isn't supernatural enough. (Can that be considered speaking the truth in love?...) (Pictures won't rotate for some reason. Sorry!). My hand on the book next to the Schuyler Bible shows the size of the book.
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Reviewed in the United States on January 3, 2018
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Pastor Jamie Strickler
Chelsea, US
★★★★★ 5
Excellent Resource
Format: Paperback
Heiser is always top notch!
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Reviewed in the United States on May 22, 2026
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Alexandra benulis
San Leandro, US
★★★★★ 5
5 stars
Format: Paperback
Great book.
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Reviewed in the United States on March 7, 2026
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Verified Purchase
Stephen
Natrona Heights, US
★★★★★ 4
Content is better than the title!
Format: Paperback
The best quality of Heiser as a scholar/writer in my opinion is that he appreciates the academy but does not acquiesce to its influence. This is seen most in his correct interpretation of the identity of the sons of God in Gen 6 and the identity of Satan in Is 14 and Ez 28 etc. which were long abandoned and scorned by the academy. All 60 articles are well written with clarity and brevity!
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Reviewed in the United States on December 6, 2019

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