SKU: 48461210927
twa pedals

twa pedals TWA Krytical Mass Reactive Octave Fuzz

Sale price$19.07 Regular price$21.19
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Ships within 48 hours · Estimated delivery Sep 8 - Sep 13

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Description

twa pedals TWA Krytical Mass Reactive Octave FuzzBased on the coveted Maestro Bass Brassmaster, Krytical Mass was born from exhaustive critical analysis into the inner workings of that Holy Grail device and the few noble attempts that have been made to clone it. Krytical Mass spits out fat, formidable fuzz with a pronounced octave up as well as a more subtle octave down and a scorching, filter like sweep on sustained notes. Muted notes will kill the fuzz with almost gate like precision, yielding a

Based on the coveted Maestro Bass Brassmaster, Krytical Mass® was born from exhaustive critical analysis into the inner workings of that Holy Grail device and the few noble attempts that have been made to clone it.

Krytical Mass® spits out fat, formidable fuzz with a pronounced octave up as well as a more subtle octave down and a scorching, filter-like sweep on sustained notes. Muted notes will “kill” the fuzz with almost gate-like precision, yielding a super-tight, synth-like pulse that is simply addictive to play.

Where other replicas tend to be harsh and sterile sounding, Krytical Mass® is able to capture the aggressive yet warm & organic edge of the original Brassmaster using a unique complement of EQ and voltage manipulation controls.

One of the great mysteries of the Brassmaster is its unmarked transformer and how it was wound. Analysis suggests that this component may have actually been wired with negative polarity, so Krytical Mass® includes a switch to toggle between positive & negative phase wirings for additional tonal options.

Another unique feature of Krytical Mass® is the ability to adjust the bias voltage of the transistors to taste, accentuating either 2nd order harmonics for more lows or higher-order harmonics for more complex waveform content.

Also on board are selectable High Pass, Low Pass, and Band Pass filters with adjustable midrange to fine-tune Krytical Mass® to your particular tonal tastes.

Features:

  • Fuzz circuit inspired by vintage Maestro Bass Brassmaster
  • Pronounced upper octave harmonic AND subtle lower harmonic
  • Filter-like sweeps on long notes
  • Super tight muting without a noise gate!
  • Selectable HP, LP, and BP filters with adjustable midrange
  • Bias Voltage adjustment
  • Edge control
  • Transformer polarity switch
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 48461210927

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Lindsay
Boise, US
★★★★★ 5
Saved my skin during an eczema flare up
This saved my skin! I had an eczema flare on my face, and my usual products weren’t working. A friend recommended the Avene brand and within 3 days of using this rescue barrier serum, my flare was almost completely gone! This saved my face!
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Reviewed in the United States on April 11, 2026
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B Helton
Birmingham, US
★★★★★ 1
PLEASE REVIEW — FORMULA CHANGED!!!
I wish I would’ve posted a review PRIOR to the formula changing but just know that I LOVED this serum. I’ve struggled with hormonal acne (PCOS) and eczema for as long as I can remember. Finally, last summer my dermatologist put me on (3) different RX including Spironolactone and Accutane. I was so tired so I stopped everything except for CeraVe cleanser, retinol (Tretinoin) and CeraVe healing ointment. My made up skin routine was working until I used too much Tretinoin and burned my face. I had read great reviews about this product so I thought, I might as well try it — and IT WORKED! I’ve been using this product for almost a year and I loved it. However, 3 weeks ago when I ordered it, I noticed the bottle had a green tint. I could tell after one use that the feel of the serum was different, more watery, not as thick as it used to be. The smell was also different. Still, I kept using it for nearly 2 weeks and I experienced 2 breakouts! Sure enough, I stopped the product and within a few days, my skin was back to normal. I am very upset because as someone who has extremely sensitive skin, this worked but unfortunately, the new formula isn’t for me.
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Reviewed in the United States on May 14, 2026
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HanTurn
Omaha, US
★★★★★ 5
Must Have Beauty Product
This one of my favorite and must have beauty products. Works so quickly for chapped lips and just keeping my lips soft every day. The formula isn’t sticky at all and you can really feel how hydrating and nourishing it is
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Reviewed in the United States on April 11, 2026
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Kindle Customer
Draper, US
★★★★★ 5
Heals chapped, dry lips Fast
Amazing restorative lip balm. Dry, chapped lips healed in a few hours!
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Reviewed in the United States on April 23, 2026
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Kelly C.
Boise, US
★★★★★ 5
The best lip balm!
I’m so addicted to this lip balm!!! If you have secret chapped lips this will fix it in a day or two!!! And even if u don’t, it keeps your lips soooo soft!!! A bit pricey but it goes on sale a lot so watch for that.
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Reviewed in the United States on December 10, 2025

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