SKU: 74533154298
bias pedal modulation

bias pedal modulation Epoch Bias – Catalinbread Effects

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Description

bias pedal modulation Epoch Bias – Catalinbread EffectsThe Maestro EP 3 Echoplex has been responsible for some of the most iconic tones in rock history. In 2020, we delivered a pared down version of that preamp with the Epoch Boost. The all new Epoch Bias expands on that circuit with a couple crucial differences. The Bias control simulates out of spec parts on the original, adjusting the base gain and body of the EP 3, which adds only a trivial amount of gain on its own. The new Filter control brings you

The Maestro EP-3 Echoplex has been responsible for some of the most iconic tones in rock history. In 2020, we delivered a pared-down version of that preamp with the Epoch Boost. The all-new Epoch Bias expands on that circuit with a couple crucial differences. The Bias control simulates out-of-spec parts on the original, adjusting the base gain and body of the EP-3, which adds only a trivial amount of gain on its own. The new Filter control brings you the best of the early and late model EP-3, with a tasteful treble cut that lets you adapt the pedal to your rig and tone. Join us and experience the most refined version of the effect that launched a thousand discographies.

The first solid-state Echoplex that was released found its way into innumerable recording studios, guitarists found themselves plugging into it to extract its wonderful preamp qualities right before hitting the amp. And staying true to that, our original Epoch Boost was billed as something of a “mastering tool”, the finishing touch for your tone. And while you are certainly free to place it anywhere you like, almost everyone, including the pros, preferred it at the end of the chain as an “always on” to tighten up the entire mix while adding some extra sparkle on top. It just made everything sound “good.” When it came time to head back to the drawing board, we thought of a couple extra variables you could use to craft your perfect EP-3 experience. We added a Bias control which gives you a little more gain and body from the stock circuit by simulating out-of-spec parts in the preamp core, so that every pedal is “one of the good ones.” We played with the “early” and “later” circuits and found the differences to be a bit too subtle, so we decided to add a well-curated filter knob to take you from early to later and beyond, a tasteful hi-cut that lets you adapt the pedal to your rig, not the other way around. The Preamp control lets you engage a gentle filtering circuit that simulates the Volume control from the original Echoplex, acting on the tone as the echo would have. The stock EP-3 circuit adds only a trivial amount of gain by itself, so we’ve included a Boost knob to wring as much gain from it as possible, giving you a real punch where you need it. It’s certainly our most tweakable EP-3 offering to date, with everything you want and nothing you don’t.

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SKU: 74533154298

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lbrobe
Phoenix, US
★★★★★ 5
It works!
I tried these on my teenage son who has pretty yellow teeth after braces. You can’t really tell in pics but in person they made a difference. He hasn’t had any odd side effects or sore gums from using them and said they were easy to use. He wears them for the recommended amount of time although started lower the first time to make sure he wasn’t allergic or anything. But so far great product and we are happy with it!
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Reviewed in the United States on February 1, 2026
S
Sammy Squirrel
Cuba, US
★★★★★ 4
Work about as well as drugstore brands.
These are at least as good as the national brands at a fraction of the cost. They stick on easily and used as directed will whiten your teeth a few shades over the course of treatment.
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Reviewed in the United States on December 5, 2025
S
Verified Purchase
Sharon T.
Cuba, US
★★★★★ 2
Combersom
Cumbersome, does not hold 3nough water
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Reviewed in the United States on May 25, 2026
M
Miah Quesada
Grantham, US
★★★★★ 3
Mixed Results
These strips fit comfortably and don’t slide around, which I appreciated. They are gentle on my gums and enamel, and I noticed a slight improvement in brightness after consistent use. That said, they aren’t as strong as some other whitening strips on the market, so if you’re looking for dramatic results you may be underwhelmed. Good for subtle whitening.
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Reviewed in the United States on October 2, 2025
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Disappointed Reader
Lowell, US
★★★★★ 5
Does work well for removing minor stains
This product is probably best for removing minor staining - things like coffee, tea, red wine. I don't think it would work for longer-term stains that accumulate with age - the strips are not powerful enough for that. Very easy to use: just apply and leave on for half an hour or until you can feel that they are no longer well-attached. The "cleaning" process starts immediately - you can see the bubbles form. I am a tea drinker, and I notice immediate effect after putting these on. Don't expect miracles, but they will help with fresh stains for sure. For me, they do not increase the sensitivity, but my teeth are generally not sensitive. But they are peroxide based, so the possibility is always there that it could have that side effect.
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Reviewed in the United States on November 1, 2025

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