Build Reports

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Score:
4

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The Red Cross Knight & The Blue Dragon

Project: Cerulean (Bluesbreaker)
Variant: Morning Glory

Build description

My own version of a JHS Double Barrel:
-Cerulean – Morning glory variant with additional Zendrive clipping diodes.
-Nimbus – Maxon OD-820.
I used WIMA and MLCC caps, and generally nicer components (footswitch, jacks, switches.)

I decided for the artwork to do it in the style of 3D art. With the 3D glasses the knight and the dragon really jump out.

Pat
Score:
0

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Crunch Master

Project: Crescent (Crunch Box)

Build description

This will make your clean sounding Fender (or other brand) amp sound fairly close to a cranked up JCM 800. I like the 18V option and external presence control. Another top notch project from Kevin!

Mr. X
Score:
0

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Crescent**

Project: Crescent (Crunch Box)

Build description

Very easy to build, It sounds great using 1n914 diodes. I don’t see any difference between 18-9v charge pump when playing.

Modifications or part substitutions

2 extra switches, one for 18-9 v charge pump, the second one for choosing LED or 1n914 diodes,

Bernd P.
Score:
12

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Marshall Guv’nor MK1 Clone

Project: Equinox (Marshall Guv'nor)

Build description

Resistors: Dale CMF-55 & Vishay Metal Film Resistors
Capacitors: WIMA MKP & FKP / ELNA Silmic II / Nichicon FM
Opamp: Motorola TL072C (CP)

Modifications or part substitutions

Treble Pot: 10K-B (instead 10K-A) Capacitors: C2, C5, C12 (soldered on PCB backside)

Steven Seeley
Score:
4

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The Door Church RC Booster

Project: Malacandra (Xotic AC/RC Booster)
Variant: RC Booster w/ 500k gain pot

Build description

Built this pedal for the worship leader at my church. This is my 8th Aion build and I am still unbelievably impressed at how clean these circuit layouts are. The build went together smoothly, and after having to wait an additional week for the enclosed 1/4″ jacks (definitely use them – OR DON’T put the jacks on top), I finally finished it an hour before a rehearsal. Of course, I had to test drive the pedal and it sounds fantastic. I love the two-band tone controls. They let you dial in exactly what you need. The extra gain on tap when using the 500k is a great feature as well. Although, if you’re wanting an RC, you probably don’t intend on going into the AC-esque gain range. It’s still fun to have. On my test drive of the pedal, I put it immediately after my Refractor (and before my Titan). While I didn’t use the Malacandra with the Titan, the Malacandra is right at home when stacked behind the Refractor – and sounds truly incredible with a Tele and Blues Junior. Great pedal. I’ll probably end up making one of these for myself to keep.

Modifications or part substitutions

500k gain potentimeter

mjcyates
Score:
1

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Azimuth

Project: Azimuth (Zendrive)
Variant: Stock

Build description

Very easy build. I used 1/2 watt Dale resistors just because why not. Pedal sounds great as a lead boost!

Modifications or part substitutions

1/2 watt resistors

SteveS
Score:
9

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Perelandra x2

Project: Perelandra (Xotic BB Preamp)
Variant: Stock

Build description

This build houses two Xotic BB Preamp clones in the same enclosure with one foot switch that bypasses the entire pedal and another foot switch which toggles between the sides. I use it to set one side for a slight breakup and the other side set for a more aggressive tone. Switching between sides doesn’t drastically change your tone.

This was my first build using an Aion PCB. I was impressed by the quality of the PCB, the quality of the build doc and by the accuracy of the circuit. I have a real BB Preamp and the Perelandra sounds exactly like it. I am very happy with the build.

BK
Score:
1

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SOLSTICE / SHREDMASTER

Project: Solstice (Marshall Shredmaster)
Variant: Built stock, a couple resistor values were the closest I had on hand

Build description

Built this in a sideways 125b enclosure as thats what was needed to fit on my metro 16 board.Its really a perfect distortion! I own a Bogner Burnley and Weehbo Bastard, and the Solstice can hang easily with either.Its just a classic distortion circuit that has stood the test of time!
I’ve owned an original shredmaster a couple times and this sounds identical.
The board is very nice and the solder pads take solder extremely well, very nice!

fdsantelices
Score:
0

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Marshall Guv’nor

Project: Equinox (Marshall Guv'nor)
Variant: Stock

Build description

This is my Aion build#2. Easy to build with fantastic supporting documentation. Don’t rush building it because you might get frustrated with the double sided PCBs if you make a mistake. I used all the recommended parts, Xicon metal films, WIMA caps, and some MLCCs from Mouser electronics, TL072 op amp and clear/red LEDs for clipping. I didn’t try any other diodes yet because the gain that I can get from this pedal is already enough to satisfy my ears. This Guv’nor sounds and feels like a real Marshall amp distortion. The three band EQ is useful, its easy to get Slash, Metallica sounds from this pedal. I still have to test this on loud volumes when I get the opportunity. Thanks Kevin for this well designed PCB. Next will be the Refractor and Cerulean.

Steven Seeley
Score:
5

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Dawn Crier (aka a stacked Morning Glory and Tube Screamer)

Project: Cerulean (Bluesbreaker)
Variant: Stacked Cerulean and Stratus

Build description

Took my original Cerulean build (named “Morning Zen”) and stacked it behind my Stratus build (named “Super Tuber”).

Morning Zen had the bright cut mod, and the presence trimpot on the exterior for easier adjustment. Second set of diodes were setup with Zendrive clipping – 2n7000 & 1n34a.
Super Tuber had all three mods done to it (Flat mids was on board, and bright and fat were wired to off board switches). Second set of clipping was a “rojo FET” (red LED with a 2n5457).

Decided to simplify things when stacking the two builds into one enclosure. Put the presence trimmer back inside on the Cerulean, and took off the bright and fat mods on the Stratus. Also cleaned up a lot of stuff on the Cerulean as it was my very first build a couple years ago (never stop learning…).

New build is much cleaner and cosmetically more pleasing. Both pedals will be run on 18v – 100mA. I used to run the Cerulean at 18v and the Stratus at 12v, and was given the okay to run the Stratus at 18v.

I very much enjoy the flexibility of your projects Kevin. Well designed sir.

Modifications or part substitutions

Stacked Cerulean and Stratus
Cerulean – Morning Glory variant with Zendrive clipping on second set of pads.
Bright Cut mod.
Stratus – Red LEDs on second set of clipping pads. Flat Mids mod.
Will run both pedals at 18v.