SKU: 48896668401
hi power pedal

hi power pedal Crazy Tube Circuits HiPower – Windmill Guitars

Sale price$18.65 Regular price$20.72
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Description

hi power pedal Crazy Tube Circuits HiPower – Windmill GuitarsHI POWER is Crazy Tube Circuits' next endeavor in pedal + amp in a box overdrives recreating legendary sounds, following the success of Crossfire and Unobtanium. It was inspired by the sonic combination of two British tone machines. The almighty Colorsound Power Boost meets the blistering high headroom Hiwatt amp. While the combination of these two units directly hints at the gear setup of David Gilmour and especially the gear used on Pink Floyds

HI POWER is Crazy Tube Circuits' next endeavor in pedal + amp-in-a-box overdrives recreating legendary sounds, following the success of Crossfire and Unobtanium. It was inspired by the sonic combination of two British tone machines. The almighty Colorsound Power Boost meets the blistering high-headroom Hiwatt amp. While the combination of these two units directly hints at the gear setup of David Gilmour and especially the gear used on Pink Floyd’s album: Wish You Were Here (think the guitar solo sounds of “Shine on you Crazy Diamond,” “Have A Cigar”), the sonic options are endless.

The orange enclosure silicon transistor circuit (Colorsound Power Boost) can deliver from a transparent clean boost to an all-out fuzz driving a tube amp to sonic bliss. The aim was to clone the original unit featuring the true-to-the-original spec BC184 transistors running on 18V DC (via an internal voltage booster circuit). The ultra-flexible 2-band Baxandall EQ circuit can add bite and low-end rumble to any setup. Used is a reverse log gain pot (labeled as volume), compared to the linear taper pot found in the original units and acted as an on/off switch, to be able to set the amount of boost/overdrive more precisely. While the earlier units didn’t feature a master volume control (only as an aftermarket mod – Pete Cornish made an external unit master volume for David Gilmour’s Power Boost), there is one included that is set up so that when it is all the way clockwise, it is bypassed. Later versions of the Power Boost had a 9V power supply and were renamed as the “Overdriver” due to the lower headroom and their ability to drive the signal earlier. They were offered in a grey enclosure and can be seen in the gear setups of Jeff Beck, Marc Bolan, etc. This version is also incorporated with a flip of a toggle switch (PWR-ODR toggle switch).

On the left side of HI POWER, you will find an all-analog circuit set out to emulate the sound and feel of a Hiwatt amp. Following the path of the famed British tube amplifier, our circuit offers authentic amp tone and feel resembling guitar tones from guitar greats like David Gilmour, Pete Townsend, Jimmy Page, Noel Gallagher, to name a few. From the big bold high-headroom clean sounds to the face-melting crunchy tones. True to the last detail, the full EQ section is included along with a presence control located at the negative feedback of the power amp simulation circuit. A headroom toggle switch selects between the high headroom 100w power section provided by a quartet of EL34s (think Hiwat DR103), or the lower headroom and compression provided by a 50W power section with a pair of EL34s when hit hard (think DR504). Similar in operation to the original amps, the master volume was designed to produce more gain at higher settings. The design is taken a step further by adding a switch to select between input channels of the amplifier. You can select between the full response of the normal channel of the amplifier, the increased presence and tight low end of the bright channel input, or the “gilmourish” enhanced frequency response and added gain of those inputs linked together. This follows the modifications that Pete Cornish did to all David Gilmour’s Hiwatt amps.

Like Crazy Tube Circuits' other dual overdrive/amp-in-a-box designs, a passive effects loop is also included to give you the option to connect your beloved pedals between your booster/overdrive and amp in a box or use the two sections as separate and independent effects when using an external bypass switcher / looper. Gilmour enthusiasts will love to insert their Big Muff, Tube Driver, and Phase 90 in there. Note that all pedals inserted in the passive effects loop are still in the signal chain when any or both sections of HI POWER are in bypass.

HI POWER features a power-up bypass/engage pre-set function for the footswitches. That way, you can select which state your pedal will go to when you plug in the power supply. This function comes in especially handy for people who use remote pedal switchers / loopers as they only set the state of the pedal once and then operate from the controller.

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SKU: 48896668401

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rainbowbrite0884
Fort Morgan, US
★★★★★ 4
Great summer workbook!
Format: Paperback
So far an easy book compared to the Argo Summer Academy one that was too challenging. I don't like the way the pages are perforated they fall out of the book too easily. I feel like it is a good balance of keeping up skills already learned and softly introducing a little bit of challenge. I like how each day has math and reading. Easy to keep skills up with only 15 minutes of work a day.
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Reviewed in the United States on June 22, 2025
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Amazon Customer
Pawtucket, US
★★★★★ 5
Ideal for Summer Learning
Format: Paperback, Format: Paperback
The books are made of good quality and are durable for daily use. The pages are colorful, and the text is a good size for children to read. The instructions are clear and cover a wide variety of topics to reinforce children during the summer. I would like for it to explain some concepts and not just be exercises. It includes answer sheets for all exercises, stickers to reward each day of exercise, and a diploma upon finishing the book. The exercises are designed for 15-20 minutes daily and are meant for children to review every day. The pages are thick, so even if they use markers, it won't bleed through to the other side. I highly recommend them to avoid the summer gap when returning to classes.
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Reviewed in the United States on June 24, 2024
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Veronica L.
Battle Creek, US
★★★★★ 5
Good book for summer!
Format: Paperback
I always get my son a workbook for that summer gap between grades, just so he doesn’t forget what he has learned and to get a little head start for the next grade. I usually get another brand but decided on this one and it is so great! Had the same exact material my son learned in second grade so it was easy for him to get in the groove of things and eases him into the next grade
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Reviewed in the United States on June 27, 2025
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TracySporty
Los Angeles, US
★★★★★ 5
Excellent
Format: Paperback
Excellent. Exactly what I was looking for , using for over the summer to keep practice going.
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Reviewed in the United States on May 21, 2026
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TiiTii
Boise, US
★★★★★ 5
Perfect
Format: Paperback
Perfect & love these books. Every year I get a grade up to get my child ready for the next. My child loves these books.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 29, 2026

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