SKU: 17435009805
guitar boost pedal

guitar boost pedal JHS Pedals Fumble JFET Boost Effect Pedal

Sale price$21.89 Regular price$24.32
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Description

guitar boost pedal JHS Pedals Fumble JFET Boost Effect PedalOops! JHS made an uh oh, but this mistake is anything but. The Fumble JFET boost effect pedal delivers a tone accidently introduced in their NOTADMBL V1 pedal, now in a standalone enclosure that provides the long cloned history of a Dumble BBC 1 circuit that was actually sourced from a 1970s Barcus Berry piezo acoustic preamp. The history is messy, the reasoning is complicated, but the sound is superb. This two knob clean boost, inspired by a clone of

Oops! JHS made an uh-oh, but this mistake is anything but. The Fumble JFET boost effect pedal delivers a tone accidently introduced in their NOTADÜMBLË V1 pedal, now in a standalone enclosure that provides the long-cloned history of a Dumble BBC-1 circuit that was actually sourced from a 1970s Barcus Berry piezo acoustic preamp. The history is messy, the reasoning is complicated, but the sound is superb.

This two knob clean boost, inspired by a clone of a clone of a clone of a etc., performs JFET boosting with a unique control scheme that shapes your sound like no other in its class. The output control works as such—crank it up or turn it down to the desired output volume. The input control, however, behaves differently than expected. When the knob is fully to the right, it can be considered as a bypass for clean JFET boosting. When the knob is turned to the left, bass frequencies and gain start attenuating simultaneously, resulting in a slightly thinner, but overall tighter response. No other boost delivers this sort of shaping, and can be assigned the "secret weapon" label when applied properly.

Here's what you do: use it as a permanent tone shaper and boost at the front of your board. Set it however you want and never turn it off. Alternatively, the Fumble can be the overdrive lift you've been searching ages for. Rather than muddying with another pre-drive drive (what a headache), the Fumble adds more level and color to your favorite characteristic dirt. Push a driven amp, boost your board at the end of the chain, or, if you're feeling adventurous, try it as originally intended in the 1970s with an acoustic guitar. Let us know what you think about that one.

With analog circuitry, true bypass switching, and standard nine-volt center negative power requirements, the Fumble JFET boost proves that some wrongs can, in fact, be made right.

  • JFET boost inspired by Dumble's "repurposed" 1970s acoustic preamp
  • Input bass and gain attenuator control
  • Output master volume control
  • Analog design with true bypass switching
  • Standard nine-volt DC center negative power requirements
Shipping Notes
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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]
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SKU: 17435009805

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4.3 ★★★★★
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Verified Purchase
Nana rice
Grantham, US
★★★★★ 5
Good purchase
Color: Black
We used this screen to divide the beds at a hotel. It gave the perfect privacy, was easy to put up and very sturdy
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 21, 2026
K
Verified Purchase
Kaylin
Birmingham, US
★★★★★ 1
Would not recommend
Color: Black
Product was terrible, it was not sturdy at all
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 21, 2026
N
Verified Purchase
NIKI73
Omaha, US
★★★★★ 5
Order with confidence!
Color: Black
Pleased with my purchase!
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Reviewed in the United States on April 26, 2026
C
coffeeandcode
Natrona Heights, US
★★★★★ 4
Awesome, portable room divider for larger rooms
Color: Black, Color: Black
I chose this room divider to use in my son's room that also serves as my home office! It is 72" x 72" in size, so it truly blocks out the other side of the room for optimal privacy. Once it's assembled, it's mildly sturdy - as long as you can bet both ends with the "feet" in line with the ground. I wish that the framework poles had more of an interlocking system so that the divider was easier to erect. I assembled this on carpet, so I had some issues getting the divider to stop moving. It takes a lot of work to set up, as it is massive, so definitely have someone help you. I would suggest adding weights of some sort to the feet of this divider to keep it from shifting. I ended up leaning mine against a bookcase shelf so it wouldn't lean. All and all, this is a great product if you are looking to make a room multipurpose.
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Reviewed in the United States on August 2, 2025
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Verified Purchase
John Grey
Carnegie, US
★★★★★ 5
As described
Color: Black
Light weight, easy to put together and you can disconnect the ends and just roll the whole thing nice and tight for quick out of the way storage. Pretty sturdy, doesn't fall over if you bump into it, you could use it outside but if there's a lot of light you can see through a tiny bit if you're really close but I only tested this indoors so not sure about patio types
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Reviewed in the United States on December 18, 2025

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