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Description
black math pedal CIVIL MATH – Mask Audio ElectronicsThe Russian big muff is revered in the pantheon of pedals and among that class is my other favorite, the Civil War. The first generation of Russian big muffs had less gain and more of a round character then it's American cousins. When I took to adopting it to the Black Math format I took a couple liberties with the formula. I gave the muff side a lower gain transistor set to really give it a different texture and emphasize the roundness. And then in
The Russian big muff is revered in the pantheon of pedals and among that class is my other favorite, the Civil War. The first generation of Russian big muffs had less gain and more of a round character then it's American cousins. When I took to adopting it to the Black Math format I took a couple liberties with the formula. I gave the muff side a lower gain transistor set to really give it a different texture and emphasize the roundness. And then in true MAE fashion, I then took the boost section and completely reconfigured it with double the gain of the normal boost to completely smash it to bits. You also get the features that made Black Math a player favorite, the better voiced to gain control and the blowout switch to really suit the sound to your needs.
Controls:
BOOST: Pre Muff Op-amp boost to saturate and overwhelm.
GAIN: Amount of Gain. Allows for more treble frequencies to pass at low gain settings.
TONE: Typical Muff tone control. Wooly bass to the left and treble to the right.
LOUD: Amount of loud
BLOWOUT: (Toggle) Removes diodes early on in the circuit for a more ragged texture and addental gain
Internal Controls:
MIDS: sets the amount of midrange dip or boost.
Uses standard Boss style power supply (9VDC 2.1mm center negative) and top-mounted jacks.
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4.8 ★★★★★
Based on 478 reviews
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Product Reviews
★★★★★ 3
The dog won!
Color: A-Navy, Color: A-Navy
It’s not indestructible. Wonder if I can get a refund or another toy. It did last longer than most so I give them credit for that!
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Reviewed in the United States on May 26, 2026
★★★★★ 5
Almost good enough
Color: E-Navy+Purple
My dog chewy can rip through anything, even these. I do love the toys they’re great. They’re made with coconut on the inside, but could somebody please!, make a chew toy worthy of my dogs teeth, cause this ain’t it. But it is the strongest so far . I would recommend it. My doodle chewy short for Chewbacca is insane about chewing.
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Reviewed in the United States on June 9, 2026
★★★★★ 3
Could be more durable.
Color: A-Navy
It’s not as durable as I’d hoped. I’ve had to mend it. It’s cute, though, and my dog likes it. He’s an Aussie, so not great bite strength.
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Reviewed in the United States on March 28, 2026
★★★★★ 2
Cute but disappointing
Color: C-Navy+Oak, Color: C-Navy+Oak
One of my dogs love these however they are far from indestructible. Two days after giving the teddy to him, the tail of the teddy is off and there is a rip by one of the arms. They are very cute teddies but not for heavy chewers as they will only last a few days.
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Reviewed in the United States on May 28, 2026
★★★★★ 4
Nothing is indestructible
Color: D-Purple
Adorable. Looks just like the photo. My 15# JRT loves it! however the tail and one ear were gone in a matter of minutes. It’s his toy so I’m just monitoring his time with it as it’s his favorite 😍
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Reviewed in the United States on May 6, 2026