SKU: 17423664217

Mojo Hand FX 1979- 70s Style Op-Amp Fuzz w/ Tone Bypass

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Description

Mojo Hand FX 1979- 70s Style Op-Amp Fuzz w/ Tone BypassMaker: Mojo Hand FX Model: 1979 Condition: New Description: 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

Maker: Mojo Hand FX

Model: 1979

Condition: New

 

Description:

 

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

Dimensions:
-4.7" L x 3.69" W x 1.37" H



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    SKU: 17423664217

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    Based on 27 reviews
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    Michael F Doyle
    San Leandro, US
    ★★★★★ 5
    Great for teething puppies
    Color: Dogwood (Brown), Size: Small (Pack of 1)
    My pup absolutely loves this. Can keep him occupied for up to 45 min at a time. Pretty durable, too.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on May 8, 2026
    J
    Verified Purchase
    Just my opinion
    Alexandria, US
    ★★★★★ 5
    The best chew ever for a strong chewer
    Color: Dogwood (Brown), Size: Large (Pack of 1)
    We have a 77lb goldendoodle who loves these. We’re lucky because he doesn’t chew on anything other than his toys, but when he starts on this…he really goes at it. It’s healthy, (not synthetic), doesn’t break apart, (no pieces to worry about him swallowing), it just perfect for him. The noise may get on your nerves but it’s a small price to pay to keep him from chewing on your furniture, shoes, or anything else a mischievous dog can find.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on May 30, 2026
    K
    Verified Purchase
    Kylie
    Carnegie, US
    ★★★★★ 3
    Little pieces break off
    Color: Dogwood (Brown), Size: Large (Pack of 1)
    My dog is obsessed with this. It does last a long time even given her strong chewing capabilities. I wish it was a little bigger. The main reason I rated it so low is when my dog is chewing on this it breaks off a little plastic peice and sometimes it hits the back of her throat making her cough so you have to supervise with this.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on February 1, 2026
    H
    Verified Purchase
    Heidi 
    Battle Creek, US
    ★★★★★ 5
    Great for aggressive chewers
    Color: Dogwood (Brown), Size: Large (Pack of 1)
    My dog is an aggressive chewer so they are great for her. I would love to have one a bit thinner so it could fit in a holder so it is easier for her to hold while eating. This keeps her busy and is long lasting. I have purchased these multiple times.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on April 5, 2026
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    Verified Purchase
    Mayberry mommy
    Belleville, US
    ★★★★★ 5
    Put your aggressive Chewer dog to the test!
    Color: A Red, Size: For Larege Dogs
    A very tough toy to stand up to my aggressive chewer lab! It's a great value! The squeak is not annoying, and she's got to clamp down hard on it. It's a nice throw toy! It bounces once or twice but it still brings out the pup in our Dog! Not too small a nice size for a Lab or retriever
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on June 7, 2026

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