Clacktronics back in new year!

Press n Peel Ferric Chloride fade Clacktronics back in new year!

There has been a bit of silence recently, this is because I have a new job! assisting in the design and installation of electronic works for the artist Haroon Mirza. But Clacktronics is still going, soon there should be a new pedal release and I have been getting into Arduino so expect some exciting new things and posts soon, including updates to the Analogue Drum Lab.

As part of this post I have just published a new article on using press’n'peel to make PCB’s at home. This can be found here >>

 

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Star Synare 3 Page

New Page on the Star Synare 3 in the Analog Drum Lab project – making a DIY PCB soon so watch out! If you have any information on this drum or you own it please get into contact. (I do not know were this image came from – I was tired – but if you took it and you are not happy please email me and I will take it down ) synare3large 147 e1317332821202 Star Synare 3 Page
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Oxford OSCar

OSCar3 Oxford OSCarSadly I ran out of time on this one, the problem was it had suffered a power supply failure. The positive 5v rail was completely down and it seemed some component (on the densely packed main board) had caused this. I cosmetically fixed it up and didn’t charge the owner. Designed and released by Chris Hugget after the collapse of EDP it is a very interesting design electronically and mechanically. I really like the way the keyboard is slightly tilted up and the way everything is held together with metal bars and big chunks of moulded rubber. Sad to say the rubber doesn’t last, on this one it was very brittle, so taking it apart was difficult! Such a shame I really wanted to hear it! it has so many interesting features Continue reading
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Lazertran Tutorial

24 Lazertran Tutorial Aluminium finished Lazertran TutorialI have written a new lazertran tutorial here (normally found under Info>DIY) This is how I make a lot of one offs and small batches. Soon I will be moving to screen print , so I will put up info on that. Interestingly I have found information about how you can use it to etch, this could be good for PCB’s!
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Modded Realistic Reverb 2

Realistic Reverb 2 Modded Realistic Reverb 2 I made this for Owen at Flesh and Bone Studios in Hackney after he saw this original post. I had a bit more time to make it properly and I tried to make it look a bit more like the original case – it strangely ended up looking a bit more like a Roger Mayer pedal. Pretty much the same mods so see the link to the original post. Continue reading
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Another Day, Another Couple of Wasps

I must seem to be obsessed at them moment , but wasps just keep coming my way! .. I guess there are a lot of broken ones out their because most of them are getting on now! Well it turned out I had two at the same time so I decided to demonstrate them linked, below is the results. Both of them are generating sounds from their internal speakers, its really great hearing them make sounds through independent speakers. Its particularly good putting on portamento because all the oscillators slide at different rates giving a THX style effect.  
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Wasp Patch Pad by SYNFINITY

Wasp patch pad Wasp Patch Pad by SYNFINITY Just got these patch pads from Michael at Synfinity. It is a pad of pages printed with the Wasp decal so you can easily write down patches the old fashioned way! On the back (not pictured) there is a wipeable laminated page for temporary record. heres what he says about them
the WASP Patch Pad [was] manufactured, with the approval of Adrian Wagner  in fact they sold some on their 1981EDP roadshow. I still have a few left which I put on ebay or the VEMIA auction from time to time. I did an original design which included a wipeable laminated back that you could perfect your settings on and then transfer them to the permanent patch on paper. The pages where punched so they could be put in a loose leaf folder. – Michael
See his website and details here synfinity.biz
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Wasp Drive – First batch complete!!

wasp batch Wasp Drive   First batch complete!! Here is the first batch of Clacktronics new products, it is a Wasp Filter with a driving input, see more info here. The next batch available here http://t.co/aWAVALF
http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=120745511966&ssPageName=STRK%3AMESE%3AIT
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Octave Kitten Repair

Octave Kitten main 634 Octave Kitten Repair A cut down Cat, but no less brilliant sounding synthesizer built by the NY company Octave in the late seventies. Features very nice sounding feature rich VCO and the legendary SSM2044 filter. Very similar style of layout to the Arp Odyssey, so much that they were sued for it. For Sale here http://bit.ly/kmuTTU This particular unit has been fully serviced by my including cleaning the keyboard and all switches and sliders so it gives a clear un-crackley sound. Cosmetically in brilliant condition apart from the edging on the left cheek which has split. All knobs and sliders in tact!
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Video Synthesis Part 1 : Getting into Video Circuits

gieskes Video Synthesis Part 1 : Getting into Video CircuitsFrame from video by Gijs Gieskes
Just recently I have been researching how to work with analogue video, specifically Composite (the yellow phono connector you get on a lot of consumer video equipment.) Here is some information I have found out. Firstly composite video is far more complex than audio, the reason being that to represent a sound electronically you only need 2 dimensions amplitude over time. It is easily represented by voltage, making it possible to create quite interesting effects and adjustments to the sound with very little and low cost circuitry. Where as composite video is a 2 dimensional image (X,Y) over time with Brightness (luminance) and Colour (chrominance) information is still represented by a voltage, but it has to hold all that information in a 2 dimensional signal. To do this it is constructed of a repeating (scanning) waveform that contains triggers, frequency bursts and a DC voltage that each represent a different component of the image. There is a good app note here that explains it a lot better and in depth than me by Maxim Semiconductors – www.maxim-ic.com/app-notes/index.mvp/id/734 Now, all this makes it quite difficult to use a handful of components to do anything effective as with sound. Of course you can glitch and mess up the image but in the end it gets a bit boring and ‘samey’ and pretty much consists of making the image glitch a bit. Composite video is quite a sensitive high frequency signal and for example if you want to change one parameter like contrast (luminance) you have to do it without affecting the other parts of the signal. Ideally what you need to do is separate the parts (usually sync from luminosity and chrominance.) There is a lot out there on what can be achieved with circuitry, but not a lot on how. Then I found this excellent book by Elektor that describes to the modern user (released 2011) on how it all works including how to decode and encode composite video! Also touches on lost historical technologies such as mechanical TV and spiral scanning.
Analogue Video 300 Video Synthesis Part 1 : Getting into Video CircuitsCopyright Elektor
Continue reading
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