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Description
pedal hard ZVEX Super Hard OnThis is the perfect preamp pedal. The "Crackle Okay" volume knob is a negative feedback control styled after classic 60's recording console inputs. (They crackled when adjusted too.) Most vintage guitars suffer from steadily deteriorating magnets in their pickups, since permanent magnets aren't really forever. The Super Hard On's input impedance is so high (>5 Meg) that it refuses any current flow from your pickup maintaining the most magnetic field
This is the perfect preamp pedal. The "Crackle Okay" volume knob is a negative-feedback control styled after classic 60's recording console inputs. (They crackled when adjusted too.) Most vintage guitars suffer from steadily deteriorating magnets in their pickups, since permanent magnets aren't really forever. The Super Hard-On's input impedance is so high (>5 Meg) that it refuses any current flow from your pickup... maintaining the most magnetic field around each string, so you can hear exactly what your pickup sounded like the day it came off the winder. The ouput level can exceed 8 volts peak, and when it finally distorts, the wave is shaped like triode overload, not fuzz.It's so transparent no one will be able to tell you're using a pedal. Perfect for making the most of a classic amp and guitar, because it simply makes your guitar bigger and pushes the amp harder, causing natural overload. This sound can be the solution to the 'disappearing guitar' effect you get sometimes on stage when you stomp on your distortion and sound weaker. When cranked, it sounds much louder than a fuzz or distortion under stage conditions.
Like all Z. Vex designs, current flow is low in this circuit (less than 2mA), enhancing battery life. The circuit board is hand-cut and soldered with the critical component, a BS-170 mosfet transistor, placed in a socket for easy user replacement should it be necessary. Your dealer can provide you with a free replacement transistor upon request.
The box is hand-drilled using no petro lubricants, and hand painted so that every box is unique. Knobs are Harry Davies, made with the same molds they've used since the fifties. Each effect is hand dated and signed by Zachary Vex.
WARNING: The very high input impedance of this pedal can cause strange reactions (sometimes mildly pleasant and/or arousing) when used with a vintage 'junk' (read 'cool') guitar. The solution is to simply lower the 'crackle okay' gain knob a little or leave the guitar volume wide open. Each Super Hard-On is unique in it's reaction... you may have to try a few till you find one that perfectly matches a really strange guitar. They are optimised for the major brands. Any problems will only occur at the highest gain settings with an unusual guitar.
The Super Hard-ON uses a very sensitive transistor, with some early versions mounted in a socket. During 2000, I installed a protection circuit to prolong the life of these transistors and I've seen no failures since. If you have a problem with an older unit, feel free to contact me, or you may purchase transistors inexpensively from 1-800-DIGIKEY where they are sold as part number BS170P-ND. You must follow proper static handling procedures to install the part... write to me for instructions at and i'll set you up. Newer SHO units have a diode protection circuit to keep the transistor from blowing. Please contact for information about updating your older SHO. To protect your SHO's transistor on older units, please turn the unit off before unplugging the cords. On SHO units produced during 2000 and beyond, the battery switching jack has been moved to the output jack closest to the front of the unit (closest to the J. Myrold signature). Please unplug from this jack to preserve battery life.
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4.5 ★★★★★
Based on 12 reviews
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Product Reviews
★★★★★ 5
Perfect Champagne Shimmer for Festivals & Events
Color: Champagne Gold - 01
Color- Champagne Gold shade.
So cute! Get it! I always end up getting compliments when I wear this to festivals/concerts/event. It works great not just on your face but all over your body like arms, chest, shoulders, anywhere you want a little extra glow. It adds a really cute shimmer without being too extreme or over-the-top. I especially like wearing it to festivals or events where there are lots of lights or sunshine, because that’s when it really catches the light and looks the best.
Once it dries, it has more of a matte finish with a soft shimmer rather than looking overly dewy or greasy. The champagne color blends really nicely with my neutral/tan skin tone, so it looks natural while still adding that fun sparkle. It’s a great little addition to any festival or event outfit.
A little bit goes a long way. I’ve probably used this around 20 times already and still have at least half the bottle left. Another huge plus is that it washes off easily and doesn’t flake everywhere or leave glitter all over the floors and counters like some other body glitters I’ve tried. Overall, a great product if you want a subtle but noticeable shimmer! ✨
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Reviewed in the United States on March 6, 2026
★★★★★ 5
Buy it!
Color: Champagne Gold - 01
I love the glitter on my body, it stays and is not sticky! But does get everywhere I touch haha
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Reviewed in the United States on April 29, 2026
★★★★★ 4
LOTS of glitter
Color: Champagne Gold - 01, Color: Champagne Gold - 01
A little goes a long way, one drop is packed with glitter. Also it actually dries to matte finish, not dewy.
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Reviewed in the United States on December 29, 2025
★★★★★ 5
Great summer or event buy
Color: 3 Pcs SET, Color: 3 Pcs SET
Great shimmer I add them to oils for that glow effect ✨️. So cute and soft no cutting from glitter like some hard flakes vs powder.
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Reviewed in the United States on May 1, 2026
★★★★★ 5
Worth it, very pretty
Color: 3 Pcs SET
very pretty on the skin, love that it comes with all three tints. Will be buying as presents!
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Reviewed in the United States on May 13, 2026