dual overdrive pedal Cornerstone Music Gear Colosseum Dual Overdrive Pedal
SKU: 73008463338
dual overdrive pedal

dual overdrive pedal Cornerstone Music Gear Colosseum Dual Overdrive Pedal

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Description

dual overdrive pedal Cornerstone Music Gear Colosseum Dual Overdrive PedalPlease welcome the first Community Pedal. The Colosseum is the result of a series of polls taken amongst the Cornerstone followers and our supporters in the Cornerstone Community. We are incredibly proud to present this pedal in which the people have had a large role in its design process. So, What is it? It is a dual overdrive pedal based on my interpretation of the Blues Breaker and Klon circuits. While I used the original pedals to have an accurate

Please welcome the first Community Pedal.

The Colosseum is the result of a series of polls taken amongst the Cornerstone followers and our supporters in the Cornerstone Community. We are incredibly proud to present this pedal in which the people have had a large role in it’s design process.

So, What is it?
It is a dual overdrive pedal based on my interpretation of the Blues Breaker and Klon circuits. While I used the original pedals to have an accurate sound reference (even an original Klon), the end result of Colosseum is not just these two circuits copied and stuck in the same box.

The Blues Breaker circuit on another level:
On the BB side there is no clipping diodes. It is surprising how removing these elements and tweaking the tone controls can fix the common “issues” that affect a classic BB, such as low volume and dark tone.
I also added our “signature” Clean control taken from the Gladio, to add the clean sound on top of the overdriven signal for more tonal versatility. This will restore a lot of touch sensitivity, especially on pick attack, as well as restoring the bottom end from your original clean sound.

The new Klon’s magic:
The Klon side stayed pretty much the same, except for one important detail: the clip blender.
We all know that the Klon has built quite a reputation around two “mythical” 1N34A Germanium diodes. We are still using them, measuring each one of them and picking the ones with the correct value of forward voltage, but… with the addition of a pair of hand selected silicon diodes. With this blend feature you have a wide range of tonal flexibility, an entirely new flavor of Klon at your feet, all while still being able to harness the sound of the original.

Looper lovers unite!
At the back you have 4 jacks to connect each side of the pedal with your favorite looper. You can use the sides independently or put any other pedal in between.

Anything else?
A little toggle switch will change the order of the two channels very easily for a lot of tone variations!

From the Community and Cornerstone team, rediscover these classic ODs with the Colosseum.

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: 73008463338

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Danel
Pawtucket, US
★★★★★ 5
Cooling queen size comforter set
Team Name: Cooling Comforter, Size: Full/Queen(90"x90"), Color: 01dark Grey, Team Name: Cooling Comforter, Size: Full/Queen(90"x90"), Color: 01dark Grey
I absolutely love this cooling comforter set for my queen size bed. It’s not only cooling, but it feels amazing and very soft.
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Reviewed in the United States on April 8, 2026
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Gina V. Lee
Charlottesville, US
★★★★★ 5
Portable, comfy, and super sturdy
I LOVE THIS! I bought this trifold mattress for guests and occasional use, and it’s honestly become one of my favorite things. It unfolds smoothly, lays completely flat, and the foam is firm enough to support you but still comfortable to sleep on. When it’s folded, it’s super easy to move and doesn’t take up much space. The cover is easy to clean, and it doesn’t lose its shape after sleeping on it multiple nights. Great for guests, kids’ sleepovers, or even stretching and lounging. Definitely worth it.
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Reviewed in the United States on December 9, 2025
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Bebe Tyler
Natrona Heights, US
★★★★★ 5
Good trifold foldout
Color: White, Size: S06-Single
Great as an emergency pullout. Very comfortable, easy to setup and carry with the handles. Good as extra support as an exercise cushion too. Mattress is a little hard but better than being too soft. Fabric could be softer or thicker, but not too bad quality. May be good for a child's nap time. Fits good in closet for storing or accent ottoman in room.
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Reviewed in the United States on December 23, 2025
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Karacm
Cuba, US
★★★★★ 1
DO NOT BUY.
Update: Amazon refunded me the price of the mattress as I can’t really send it back now that it isn’t compressed and we do not live anywhere near a UPS store. I reached out to the seller as it is listed as having a 5 year warranty. The seller has so far only initially offered me a 10% refund, so not honoring their warranty at all. I have refused this and asked for either a full replacement or a replacement section for the one that is defective. We will see if they stand by their warranty! The package came SO compressed that one of the foam inserts never recovered. We opened it according to instructions, let it sit for 72 hours, and edges of foam were all so stuck together they did not rise properly. I had to take every piece out of both covers, manually pull apart the edges, and then let it rise again. We tried everything to get the third insert to be like the others- put it in a warm environment, put it in the bathroom where there is some more damp air, and still isn’t like the other two. It feels different as well- softer than the other two pieces. It’s like it is a totally different foam. It doesn’t fill out the cover completely and it is consequently very uncomfortable and not useable as one whole section is softer and thinner than the rest. I would like to return it but not sure how now that it is not compressed. Would not buy this product again. Very frustrating.
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Reviewed in the United States on December 30, 2025
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Kristin
Alexandria, US
★★★★★ 5
Firm but not hard
Color: Grey, Size: 4inch-Tw"
I sleep on this on the floor about 50% of the time because it’s so much more comfortable than my actual mattress. It doesn’t leave me with back or hip pain, it doesn’t sink so you never feel the ground like with an air mattress. It folds up to store under my real bed or I can fold in into a chair if I need. I did have to use a hair dryer to fluff up a few of the corners because they were taking a long time after opening but that’s to be expected.
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Reviewed in the United States on April 22, 2026

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