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Description
marshall amp simulator pedal MAKO Series: ACS1 Amp + Cab SimulatorFind it on The [ACS1] is an amplifier and speaker cab simulator delivering the sound and feel of world class amplifiers, complimentary speaker cabinets created by Tone Factor, and controllable room size. With the ACS1, players have expansive options to deliver their tone whether it's on stage, in the studio, or practicing at home. Simple controls, stereo in and out, onboard presets, and MIDI support make the ACS1 an immeasurable tool in a guitarist's
The [ACS1]™ is an amplifier and speaker cab simulator delivering the sound and feel of world-class amplifiers, complimentary speaker cabinets created by Tone Factor, and controllable room size. With the ACS1, players have expansive options to deliver their tone whether it's on stage, in the studio, or practicing at home. Simple controls, stereo in and out, onboard presets, and MIDI support make the ACS1 an immeasurable tool in a guitarist's arsenal. Players can also load in their own IRs and update firmware at walrusaudio.io.
Amplifiers
The ACS1 models three vintage amp styles crucial to music industry history designated by their places of origin. When running the ACS1 in stereo, one amp can be used through both channels or mix and match amps and cabinets on the left and right channels with the L + R switch. Simply choose the channel you want it to modify, select your amp and cab model, and set your levels. Then flip over to the other channel and choose your amp and cab settings. If you would like to use the same settings on both channels, set the switch to the middle or “+” and dial in all your settings. They will be duplicated on the left and right outputs.
Volume and Gain work together, similar to how they would on an amp. For example, increasing gain levels will also raise overall volume output so adjust the volume knob accordingly.
Fullerton is inspired by the classically snappy and clear Fender® Deluxe Reverb. Clean headroom that blooms into the fat, rich breakup that players have come to love over the years.
London is inspired by a 1962 Marshall® Bluesbreaker with a harmonically rich, valve-driven breakup. Perfect for sustained lead notes with tons of gain on tap and a punchy mid-ranged voicing.
Dartford is inspired by the legendary and jangly tones from a 1960s Vox® AC30 with all the bite and chime from the British Invasion. Higher gain settings offer up plenty of saturation that represent the loudness and punch of the original amp cranked
Cabinet IRs
The ACS1 includes six IRs custom engineered by David Hislop and Kenyon Reed at Tone Factor. Each IR has been created with vintage amps to deliver the best tonal representation possible.
The IRs that are included in this update are based on a 90’s UK-made AC30 6TB with Blue Alnicos, a Marshall JTM50 Tremolo Bluesbreaker 2x12 combo with UK-made 6402-cone G12M Greenbacks (16ohm versions that come in Marshall cabs, which are brighter than the 8ohm versions in Vox cabs), and a Vintage 1966 Fender Deluxe Reverb with it’s original Jensen C12NA.
Visit tonefactor.com/ACS1 to explore their new XR IR Collection and see all of the complete IR packs with more microphones and placement options.
Use the ABC Cab toggle switch to select your cab preference. Access the second set of cabs by holding down bypass while changing the cab toggle position.
Room Ambience
Simulate 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.
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. 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.
Factory presets are as follows:
Red:
Fullerton Amp
Deluxe Cab / SM57
EQ - Bass - 2 / Mid - noon / Treb - 1 o’clock
Gain - 1 o’clock
Vol – 1 o’clock
Room – 9 o’clock
Vol and Gain Boost – 2 o’clock
Green:
London Amp
Bluesbreaker Cab / SM57
EQ - Bass - 11 / Mid, Treb - noon
Gain – 1 o’clock
Vol – 1 o’clock
Room – 9 o’clock
Vol and Gain Boost – 2 o’clock
Blue:
Dartford Amp
AC30 6TB Cab / SM57
EQ - Bass - 1 / Mid - 11 / Treb - 2 o’clock
Gain - 1 o’clock
Vol – 1 o’clock
Room – 9 o’clock
Gain Boost – 2 o’clock
Boost
A boost feature is available by pressing the boost switch. It allows you to quickly jump to a preset level of volume and/or gain. The boost LED will flash letting you know that it is active. To set the boost, simply click the switch on and adjust the volume and gain knobs to taste. Pressing the boost switch again will save your boost settings and return the pedal to its normal level of volume and gain.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- 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
4.0 ★★★★★
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Product Reviews
★★★★★ 5
Really nice men's long-sleeve, longline shirt
Size: Medium, Color: Wine Red
I ordered this casual crewneck shirt in Wine Red, size Medium, for my husband, and it's quite nice. The ribbed texture is not irritating to the skin, and the fabric is smooth and comfortable. In terms of fit, it is similar to a slim fit - not form-fitting, but also not too loose, so I'd say it's fairly true to size. One thing we both noticed was just how long the torso section was - quite a bit longer than most shirts. It is a longline shirt, but it is *long*. For his preference it's a bit too long, but if you're a woman in the habit of wearing your partner's clothing (Or you prefer the fit of men's clothes), this could be for you. The sleeves are an appropriate length for the size, so I wouldn't say this is necessarily suited to men who need a big & tall type of fit. Finally, the color - the wine red is a deep, rich red, and did not change in the wash.
Overall, I think this is a great addition to a men's casual wardrobe. Definitely recommend.
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Reviewed in the United States on January 13, 2026
★★★★★ 5
Nice shirt!
Size: XX-Large, Color: Wine Red
We're pretty impressed with this shirt. It fits well and looks flattering. The design is simple and it seems to be appropriate for a wide variety of casual events. Most importantly, it is comfortable to wear. The material is soft and not too heavy, making it suitable for cooler days. It has a moderate amount of stretch and is of decent quality. I wouldn't mind owning more of these shirts in different colors, and the pricing is reasonable.
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Reviewed in the United States on December 21, 2025
★★★★★ 5
Looks & Feels Good!
Size: X-Large, Color: Wine Red
I got this shirt for my husband in wine red and he likes it a lot! He can be very picky, but he hasn't had any complaints about this shirt.
The wine red color looks just like it does in the picture and it fits true to size. It can be worn on its own or layered under a shirt or sweater when the weather gets cold.
Hubby has machined washed and tumble dried this shirt multiple times and it still looks and feels great!
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Reviewed in the United States on November 15, 2025
★★★★★ 4
Long sleeve tee
Size: XX-Large, Color: Wine Red, Size: XX-Large, Color: Wine Red
Ordered this one size up simply due to preference. It runs true to size otherwise. The material is stretchy and the color was accurate. The ribbing sets this apart from other plain long sleeve tees. The only thing I don’t like is the curved hem. Makes it look very girly.
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Reviewed in the United States on October 6, 2025
★★★★★ 5
Excellent fit and a good look
Size: Small, Color: Grey, Size: Small, Color: Grey
I'm very pleased with the way this shirt looks on me. Despite being a "squeeze" material, it's quite comfortable to wear. The fit, at least for me, is spot-on.
Design-wise, I found that the lines on the front of the shoulders look a little odd, almost like they're supposed to the shoulder seams.
But overall, I really like this shirt, and $20 for a shirt that fits this well is a steal.
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Reviewed in the United States on November 9, 2025