SKU: 53910114760

Mojo Hand FX 1979 Op-Amp Fuzz

Sale price$152.10 Regular price$169.00
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Description

Mojo Hand FX 1979 Op-Amp FuzzThey say Say "hello" to the 1979! An evolution of the now discontinued Mojo Hand FX 1978, the 1979 is based on the notoriously high gain Big Muffs that were manufactured during the late 70s. Favored by many players for its outrageous grungy distortion (most notably Billy Corgan), it features op amps instead of the traditional transistors found in every other Big Muff variant. The 1979 features a footswitch to bypass the tone knob, so you get ALL the

They say...

Say "hello" to the 1979! An evolution of the now discontinued Mojo Hand FX 1978, the 1979 is based on the notoriously high gain Big Muffs that were manufactured during the late 70s. Favored by many players for it’s outrageous grungy distortion (most notably Billy Corgan), it features op-amps instead of the traditional transistors found in every other Big Muff variant.

The 1979 features a footswitch to bypass the tone knob, so you get ALL the bass, ALL the treble, and a HUGE helping of extra mids and volume. Perfect for slamming your amp into a ripping solo, or doom/stoner mode. But most importantly, the tone bypass has it’s own volume knob so you can set it to unity or boost! We also adjusted the taper of the original gain pot to have a more usable sweep.

This peculiar Muff uses an IC, instead of the traditional transistor set, resulting in something that’s both familiar and different at the same time. The sound is more raw and aggressive than a typical BMP. Please do not expect subtlety. This pedal does not “clean up well” with your volume knob. It doesn’t sound pretty. It’s probably not appropriate for waltzes or jazz standards. It’s not supposed to be. It smashes you in the face.

Enjoy.

Like all Mojo Hand FX products, this pedal is housed in a sturdy, die-cast aluminum enclosure with professional powder coating and printing.

Features:
-Tone Bypass Level (volume with tone circuit bypassed)
-Level (volume with tone circuit engaged)
-Tone
-Gain
-Left stomp switch bypasses/engages tone circuit
-Right stomp switch bypasses/engages fuzz circuit
-True bypass

Power:
-Standard center negative 9V DC supply (not included)
-Current draw: ~8mA

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Exchange/Return Notes
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SKU: 53910114760

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mynamehere
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★★★★★ 4
4 and 3/4 Stars
Color: White, Size: XX-Large
Plus: Fabric has heft and weight, soft, completely opaque, drapes well, and doesn't cling. Sleeve length is perfect and width comfortable. Neck size is comfortable. Dressy enough for an office work top. My bust is 1-2 sizes larger than my hips, but this top doesn't look too oversized at my hips. Minus: Hem is even with my wrists, I wish it was an inch longer. Wash inside out to avoid snags. Sewn well but they do skip the bias tape that covers the back neck seam on the inside of t-shirts.
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Reviewed in the United States on April 12, 2026
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Connie Strehler
Lexington, US
★★★★★ 5
Comfort and Style
Color: Dark Red, Size: Medium
Very soft, comfortable and versatile. Can dress up or down in this shirt. I love it!
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Reviewed in the United States on May 31, 2026
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Carol
Fort Morgan, US
★★★★★ 5
Great buy
Color: White, Size: Large
Great T-shirt if you want something a little dressier than a regular T-shirt. Nice material and fit. Love the little bit longer sleeve.
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Reviewed in the United States on April 26, 2026
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Sandra Giannini
Port Orchard, US
★★★★★ 1
Shrunk from M to XS
Color: White, Size: Medium
Shrunk after one wash and very poor quality.
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Reviewed in the United States on May 19, 2026
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Debbie
Lowell, US
★★★★★ 3
Runs big size chart not accurate
Color: Black, Size: Small
I only put three stars because it runs large. Not a true small. I really wish they had xs. It's too big in neck and shoulders bunch up. The fabric is thick and not at all see through. I like the high neck and half sleeves. The fabric feels soft but also kinda "slick" so some people may not like that feel. For reference I'm barely 5ft and 115 and the small is too big. Not sure if I'm going to keep it or send it back. Price point it is a nice shirt
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Reviewed in the United States on April 25, 2026

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