SKU: 60542256802
blue monarch pedal

blue monarch pedal Prussian Blue Reverb Revival 15th Anniversary (OC-PBR-15th) – One Control USA

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Description

blue monarch pedal Prussian Blue Reverb Revival 15th Anniversary (OC-PBR-15th) – One Control USAProduct Overview: The Prussian Blue Reverb Revival is a limited edition pedal commemorating the 15th anniversary of One Control. It reissues the original design of the acclaimed Prussian Blue Reverb, developed by legendary designer Bjorn Juhl. This pedal was created to offer the most natural and expressive reverb tone possible, specifically tailored for guitar and bass. What Is the Prussian Blue Reverb? Reverb is the gentle echo produced when sound

 

Product Overview:

The Prussian Blue Reverb Revival is a limited edition pedal commemorating the 15th anniversary of One Control. It reissues the original design of the acclaimed Prussian Blue Reverb, developed by legendary designer Bjorn Juhl. This pedal was created to offer the most natural and expressive reverb tone possible, specifically tailored for guitar and bass.

 

What Is the Prussian Blue Reverb?

Reverb is the gentle echo produced when sound travels through space. Every instrument, whether electric, acoustic, or electronic creates this natural effect before sound reaches our ears. The Prussian Blue Reverb is designed to replicate this ideal echo with clarity, subtlety, and spatial depth.

Unlike traditional reverb types like spring, hall, or room, the Prussian Blue Reverb creates a balanced tone that combines the best elements of each. It delivers a sound that feels alive, three-dimensional, and naturally integrated with your playing.

Rather than imitating classic reverb units, this pedal uses a custom algorithm designed by BJF to respond directly to guitar and bass performance. It avoids harshness and artificial coloration, allowing the instrument’s character to shine through.

 

Key Features:

Reverb pedal with an original design by Bjorn Juhl

Deep, natural, three-dimensional spatial diffusion

Precisely tuned DECAY control that blends naturally with your playing

KILL DRY switch for use in parallel effect loops

Twenty-four-bit high-quality digital reverb processing

Analog dry-through circuit for pure signal path

Compact, durable aluminum mini enclosure

Battery or external power supply compatible

 

Controls:

LEVEL: adjusts the volume of the reverb effect

TONE: adjusts the brightness of the reverb

DECAY: controls the duration of the reverb from two milliseconds to two seconds

KILL DRY: mutes the dry signal for parallel routing or creative effects

The DECAY control is specially designed to shape the reverb’s presence without interfering with the rhythmic clarity of your performance. This makes it ideal for both subtle ambience and long, immersive trails.

 

Sound Design and Technology:

The Prussian Blue Reverb’s algorithm uses random modulation to replicate the natural decay and diffusion of string instruments. This method creates a reverb that feels spacious, musical, and lifelike without sounding artificial or distracting.

The early reflections are short, ensuring the reverb responds quickly to your playing while maintaining a natural decay. This results in an immersive experience that expands the sound without overwhelming it.

Its wide dynamic range, about five times greater than traditional spring reverbs, ensures clarity across all frequencies, especially on bass instruments. Filtering prevents excessive treble or muddiness, keeping your tone open and clear.

 

Technical Specifications:

Input impedance: 500 K ohms

Output impedance: 2 K ohms

Operating voltage: 8 - 12 volts

Current consumption: 32 milliamps

Signal to noise ratio: -96 decibels

Dimensions without protrusions (W x D x H) : 39 mm x 100 mm x 31 mm

Dimensions with protrusions (W x D x H) : 47 mm x 100 mm x 48 mm

Weight: approximately 160 grams (200 grams when the battery is inserted)

True bypass switching

Power options: 9V center minus adapter or 9V battery

Controls: LEVEL, TONE, DECAY, KILL DRY

*Adapter and Battery not included

 

Power-On Note

Upon powering the unit, allow a few seconds for the internal digital chip to stabilize. During this time, the sound may not be stable. For best performance, wait a few moments in bypass mode after connecting the adapter or battery.

 

Recommended Useage:

The Prussian Blue Reverb was designed specifically for guitar and bass, but it also works beautifully with acoustic instruments and electronic setups. It is particularly effective when placed after distortion effects and before modulation like tremolo. Its ability to stay on at all times makes it a versatile part of any signal chain, from subtle ambiance to spacious soundscapes.

 

Final Thoughts from the Designer:

When developing the reverb effect, I focused on the type of reverb guitarists actually want. In many cases, players desire a tone that lies somewhere between spring and hall reverb, rich but not overpowering, ambient but clear.

That is why I created an accurate DECAY control that can be adjusted to avoid interfering with rhythm, while still providing depth and texture. I had high hopes, but even I was surprised when I first heard the final sound of the Prussian Blue Reverb. It feels like there is a vast space hidden inside this small pedal.

Because it is built specifically for guitars and basses, it suits not only electric instruments but acoustic ones as well. One of my favorite setups is running the PBR after distortion and before tremolo because it sounds absolutely incredible.

─── Bjorn Juhl

 

Prussian Blue Reverb Revival 15th Anniversary Manual.pdf

 

Promotional Pictures(for dealers)
2000pix×2000pix 350dpi

 

Shipping Notes
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Exchange/Return Notes
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  • Final sale items are not eligible for returns or exchanges.
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SKU: 60542256802

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4.7 ★★★★★
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Amazon Customer
Louisville, US
★★★★★ 5
Super cute
Color: Bunny (Mauve), Size: Small
Super cute and fuzzy. Definitely perfect size for a puppy and not too loud. The fur is very soft and the nose is sown on not a hard piece that can be chewed on. Very good quality too.
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Reviewed in the United States on June 3, 2026
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Verified Purchase
Buyer
Port Orchard, US
★★★★★ 4
Normally amazing
Color: Spiky Ball (Blue, Orange), Size: Medium
We have purchased these slightly spiky dog balls several times for our very strong jaw heavy chewer dogs and they’ve been amazing. They don’t break down they don’t get torn apart the squeakers don’t even pop out of them. So we ordered another package because we’ve lost a few outside to the lawnmower… oops and the package that got delivered today had only one ball that squeaks and the other does not. THIS IS A PROBLEM ! Unfortunately my female dog got to the new squeaking ball first and my male got to the non-squeaking ball and he was NOT happy. Basically once they claim a ball it’s theirs and the other dogs don’t go near the ball they claimed. So he’s following my female around and every time she squeaks the ball and I’m just waiting for him to attempt to take it from her causing damage to her. Normally… These are amazingly fun, tough, durable but also squeaking balls (that’s rare in a tough ball) that my dogs absolutely love. This time just got a bad batch I guess. When they squeak the dogs LOVE them. After several months of play the squeaker might break inside of the ball but the ball never comes apart or gets damaged. And we as the owners love that they don’t break down are not able to be ripped or torn even by our very strong jawed and big jaw muscle dogs. They are also great for in the house play because they’re small enough that they fit completely inside our dog‘s mouth but obviously not small enough to get swallowed so when we throw them in the house for fetch the dogs can jump up and catch them fully in their mouth so they don’t cause any damage to the walls when they hit the walls. They’re not super heavy but they’re incredibly durable. Definitely worth the price especially if you have heavy chewers or big jaw muscle dogs.
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Reviewed in the United States on April 28, 2026
M
Verified Purchase
MADDY
Los Angeles, US
★★★★★ 5
Best fun indestructible toy
Color: Crinkle Duck (Yellow), Size: Large
Truly indestructible no matter how much our oittie tries. She has owned it for three months works at destroying every day with no success. She carries it everywhere. Best purchase for chewer, more fun than the popular rubber heavy duty toy. Do not hesitate your pup will thank you for this fun distraction.
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Reviewed in the United States on May 30, 2026
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Verified Purchase
peter contino
Cuba, US
★★★★★ 5
My dog loves this toy!
Color: Bunny (Gray), Size: Large, Color: Bunny (Gray), Size: Large
High quality, big toy, perfect for a medium to large size dog. After a few months of serious chewing I had to buy another one, but well worth the money! Rocky loves it.
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Reviewed in the United States on June 11, 2026
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Verified Purchase
Denise Boyd
Port Orchard, US
★★★★★ 4
Great toy but if your dog is an aggressive chewer, please think twice.
Color: Crinkle Chicken (Brown), Size: Large
I received this on May 23rd and on June 8th, after playing with this thing every day, our recently acquired 36 lb dog finally ripped it open and got out all the plastic and the squeaky part. Lily Belle will miss you, chicken. Lily loooooved this toy! She'd toss it in the air, chew on it, pull it with her teeth etc. but as much as she loved it, we won't replace it. It's just not durable enough for her. If your dog is an aggressive chewer, you might want to try a different toy. I hate that this lasted just a smidge over two weeks because Lily seemed to truly enjoy this toy. RIP, squeaky chicken!
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Reviewed in the United States on June 9, 2026

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