I’ve built… The Perfect Girlfriend :]

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Just for the lols.
Matt.

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Batch Processing: Update 1 [Foundry/Phosphat + Plexi]

What up guys,

2 pedals finished!Β  First one is a reproduction of the Carl Martin Plexitone, the second is a dual Fuzz Factory and Woolly Mammoth.

Built these ages ago, but just recently gave them graphics worthwhile of a viewing.

Neatened up the wiring on the Fuzz as best I could, but a when I built it a year ago, my skills were not “refined” ie ratsnest wiring.

Foundry = synonym for Factory.
Phosphatherium = a prehistoric elephant creature thingy.

Matt.

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Factory + Mammoth

PlexiDrive Image

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Power Boost

What up guys,

Thought I’d turn the boost circuit I’d been playing with into a proper pedal.

Hence the Power Boost is born πŸ˜€

Not my neatest wiring, but hey, prototypes aren’t pretty!

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Uses same boost circuit as in the video:

In the video I mention the intention was to get a clean boost that adds that special sparkle of a MOSFET gain stage.

I also mention that it can get “dirty and grimy” – what I meant to say is that it can get slightly overdriven.
The way in which a MOSFET overdrives is very far from “dirty and grimy”!

The pedal version activates each of the 2 gain stages separately, so it can either be 2 clean boosts or turning both on you can dial in some overdrive.

This thing can get loud πŸ˜€

Kind regards,
Matt.

Edit 1:

Just realised the graphic I drew looks similar to the ZVex logo.Β  This was completely unintentional.Β  I can only assume it was pure chance or it was stuck in my subconscious when I was doing the design.

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Batch Processing [5 new pedal facelifts]

A couple of pedals I’ve had assembled for ages finally get pretty!
(They sound good to- I’m not too shallow!)

Using my last couple of days in Cape Town efficiently with the wonders of batch processing.

First, what is Batch Processing?

Yes, it is exactly what it you thought it was! πŸ˜€

For everyone else, I’m referring to the efficiency achieved by performing similar tasks at once, rather than at different times.

So, that’s 6 hours it took me to create 3 brand new graphics, strip the pedals, apply the graphics and wack on some clearcoat.

Same thing as answering all your emails at one time during the day – rather than every 5 seconds on your BlackBerry! πŸ˜€

The application

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Ludwig Phase 2: Preview

What up guys,

This is what I’ll be assembling over the next little while – made a start on the graphic:

Graphic:

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The parts

I use Mantech for most parts.Β  Good prices and wide range.Β  Hello free advertising!
Pots I get from Tayda Electronics (still waiting for them).

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So what the hell is it?

Short answer: Fuzz + Tremolo + Wah + Foot Control

Long answer:

Well, it’s this (image below) the Phase 2 Synthesizer turned into a stompbox format.
Ludwig ( a drum company) produced less than a 1000 of these decades ago.


1970-ludwig-phase-II-synthesizer

Technical answer: (from the RG Keen pdf)

β€œSynthesizer” was a misnomer, as what it really does is to take a normal signal, and create a
heavily clipped β€œfuzz” signal from it, and then run a combination of the dry and fuzz signals through a
pair of controlled filters. The filters are set up so they are active at the frequencies of the first two
formant resonances of the human vocal tract, producing a very β€œvocal” and unusual effect. In
addition, the fuzz amplitude and movement of the filter resonances may be changed either
automatically by an β€œanimation” oscillator or a foot controlled rocker pedal.

More Pics: http://nos-tone.com/Ludwig.html

Youtube vid: http://www.youtube.com/watch?v=pEOh2kyFyyE

Now the reproduction:

Mr RG Keen (the yoda of guitar effects) produced a project.
Not a beginners project – lots of things to go wrong here!

Build doc: http://www.geofex.com/Article_Folders/Ludwig_P2/TotalLudwig-2nd_run.pdf

Youtube vid: http://www.youtube.com/watch?v=w6hfEsfgOTA

Pictures of a completed pedal:

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DSCF1143

Still don’t know what it is or does?

Well… Me neither! That’s why I had to build one for myself!

Posted in Uncategorized | 2 Comments

Lithium Fuzz [to start off 2013!]

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Happy 2013 πŸ˜€

Had some free time to create a proper layout for another fuzz.

This one has 2 separate fuzz circuits – one Silicon based and one Germanium based – that can be blended together.

Each fuzz has a separate Tone (Filter) and Gain control.

The circuits aren’t straightforward either. Couple of interesting things going on.

The Silicon side has a transformer to preserve the awesome when active pickups are used.
The different primary and secondary coils try to reproduce the response of passive pickups.

It also uses the transistors in a non-selective frequency tripler (to use the technical terms).
Yep, learning something new everyday. πŸ˜‰

The Germanium side has some reverse bias stuff going on, but nothing too crazy.

Gotta build it up now πŸ™‚

Edit 1:

Made a start on the graphic. Probably gonna keep it quite simple. Not enough hours in the day to make everything look pretty! πŸ™‚

Edit 2
Name changed to Lithium Fuzz
Something about a pedal with 2 personalities. Really need to get a hipster on speed dial to name the pedals. Too much mental effort on my part! πŸ™‚

Edit 3
Graphic finalised. Not enough hours in the day! πŸ™‚

Lithium Fuzz - Final

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Graduation 2012 – PGDA UCT

Quick picture of graduation this December.Β  Marks the date I officially have to grow up!

PGDA – Pedal & Guitar Diploma in Audio πŸ˜€ πŸ˜€ πŸ˜€

I wish, here’s what I’ve done with 6 years of tertiary education:

  • 2007 – 2010: Bachelor of Business Science (Finance & Accounting) from University of Cape Town, South Africa
  • 2011 – 2012: Post Graduate Diploma in Accounting from University of Cape Town, South Africa.

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Posted in Me! | 1 Comment

Sonic Titan FX becomes [Sonic Titan Sound Engineering]

Why? I’ve recruited a tame Electrical Engineer to collaborate with.

Some say it’s impossible for him to wear socks, and he can open a beer bottle with his testes. All we know is, he’s called the Engineer.

Things are gonna get pimping.
Microcontrollers, relay-based switching, open beer bottles and a distinct lack of socks.

Stay tuned πŸ™‚

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Rhododendron Pitch & Trem

What up guys,

Phase 1 Origin A41

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Germanium Mojo

As I’m sure most people know, Germanium transistors were the first ones to be used in Fuzz pedals.
I’m always fascinated by the idea of “Mojo” – that special undefinable quality.
So I’ve been playing with PNP Germanium transistors on breadboard for a couple of months.
This holiday I had some time to draw up some proper layouts.

Germanium Birth
The first one “Germanium Birth” is a stock standard Germanium PNP Fuzz Face and Rangemaster Treble boost.
I only modified the circuit in 2 ways:
1. Used a bipolar charge pump so it can be powered by a normal power adapter.
2. Added a “Range” knob to go from Treble to full range boost.

The objective was to get an accurate reproduction of that “first” mojo filled sound.
To ensure the Mojo, the layout is designed for those old fashioned axial capacitors.

Schematic
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Clorkwork Orange

The second one “Clockwork Orange” has the same “Germanium Birth” foundation but it has a number of different mods that make the circuit a lot more interesting and useable.
I’m still playing around with it on breadboard but here’s the preliminary layout.

Image

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I ended up sending this one off to be fabricated. Now we wait… πŸ™‚

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