SKU: 28292220506
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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SKU: 28292220506

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martha ramirez
Bozeman, US
★★★★★ 1
Stings! Waste of money! Doesn’t accept returns!
Item Package Quantity: 1
Very disappointed with this spray sunscreen. Although I’m usually not sensitive to sunscreens or face creams in general, this product made my eyes burn and tear up so much and so fast that I’m not able to use it. Such a waste. I even tried applying while covering just my eyes to avoid that area and it still stings. And it also goes on greasy, definitely not cute glowy looking. It is not a flattering shine. For the price I’m very disappointed and even upset that I didn’t notice before buying that you cannot return it. Don’t waste your money.
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Reviewed in the United States on June 6, 2026
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Verified Purchase
Jen Reviews
Houston, US
★★★★★ 5
☀️ Holy Grail SPF Mist! especially for makeup days 💦
Item Package Quantity: 1, Item Package Quantity: 1
If you hate the feeling of greasy sunscreen but still want serious protection, this is the glow-up you’ve been waiting for. I use this as the last step in my morning skincare and as a top-up over makeup throughout the day. It’s lightweight, non-greasy, and gives a dewy finish without looking oily, just a fresh, hydrated glow ✨ The mist is fine and even (no big droplets or weird stickiness), and it dries down fast. No white cast, no clogged pores, no breakouts. Just SPF 50+ that actually works with your makeup instead of wrecking it. I’ve even used it midday at Disneyland and didn’t burn once, and I’m someone who burns if I think too hard about sunshine 🥵 Helpful hint: Shake it well before spraying, and hold it about 6 inches from your face for a nice even mist. One pass usually does the trick, but I like to go back over my nose and cheeks for extra protection ☁️ It also doubles as a midday makeup refresher, especially when your foundation starts looking a little dry 🧴 I brought this with me on a full weekend trip to Disneyland and it absolutely earned its spot in my park bag 🎒 I was in the sun all day, both days, and didn’t burn at all, even with minimal shade and back-to-back rides 🎢 It layered like a dream over makeup, didn’t feel heavy, and made touch-ups fast and easy in between churros. This mist officially passed the Disneyland test. 🎡☀️💕
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Reviewed in the United States on September 19, 2025
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I.F.
Draper, US
★★★★★ 3
Good but heavy smell
Item Package Quantity: 1
I will keep using this bc it works and the sprayer is sooo nice but the smell is so overwhelming. It’s not a bad smell but it’s just so heavy. I’ll use this one but I don’t see myself repurchasing.
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Reviewed in the United States on May 4, 2026
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Gigi
San Leandro, US
★★★★★ 4
Good but confusing instructions
It is very glowy. After spraying this on my husband commented on why I was sweating so much 😹 I told him it’s my face mist spf. I have very dry and very sensitive skin and this has not broken me out (yet). I’ve used it for about a week now. I don’t know how much sun protection I’m really getting though. And reapplying it all through out the day, esp in the summer will lead to very very oily looking skin. It’s also confusing because it says do not spray directly onto face. (?) I just hold my breath and close my eyes tightly before I put my mascara on and spray this. So far it’s been helpful with not making my make up look cakey. There is a smell but it’s not a bad smell, slightly fruity and the smell of spf. If you are sensitive to smells this might not be for you.
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Reviewed in the United States on April 5, 2025
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Verified Purchase
richelle daugherty
Charlottesville, US
★★★★★ 5
Wonderful!
Item Package Quantity: 1
This makes your skin glow. Smells amazing. I’m older and in my 50s and it is great sun coverage and brightener. I will 100% keep using this.
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Reviewed in the United States on June 7, 2026

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