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Photos of Devil Fish modified TB-303s

© Robin Whittle, Real World Interfaces   26 May 2015
To the Devil Fish  page.

The photo at the top of the main Devil Fish page is different for each day of the week:
../Devil-Fish-TB-303-front-panel-00.jpg to ../Devil-Fish-TB-303-front-panel-06.jpg .

Most Devil Fishes are in ordinary TB-303 ABS plastic cases, and the majority of these are showing
signs of wear.  It is common for there to be worn printing, paint and plastic around some of the knobs,
as well as scratches, cracks etc.  

Please right click the images below to open a larger version in a new browser window.

Devil Fish modified TB-303s in AluCases by Martin Rothlisberger of Switzerland
This Devil Fish from late 2014 has: the 32 Bank Memory System, with Dynamic Bank Switching; the MIDI In and Out system with Dynamic Channel Switching; a centre-off, spring-return from the bottom, switch to enable the Audio In to Filter signal (previously the Mix In socket) and the separate 3.5mm headphone out socket.

In the past, someone supplied this machine with far more than 9 volts, causing the regulator transistor to overheat and so to the deformation of the top part of the case near the power socket.  Please see the main Devil Fish page for notes on choosing a suitable power adaptor.

[#labels]The small labels on the back panel, and the serial number label on the bottom of the machine (picture) are made with a technique we developed:

Inkjet printing (we use an Epson Stylus Pro 3800, with Ultrachrome K3 pigment inks) onto a unique self-adhesive satin-metallic label material:
A-One 29283.  This is only available in Japan.  We import it via .  The ink must be thoroughly dried, such as by placing the entire printed label in an electric frying pan at 110 to 130C for 20 minutes.  Then we laminate the entire label, cut it to size, and trim its corners with this corner cutter: CR2MM .

A full description of the technique is at:

Devil Fish modified TB-303s in AluCases by Martin Rothlisberger of Switzerland
Here are two AluCase Devil Fishes from 2001.  The AluCases – for Devil Fishes and TB-303s  – are custom-made by Martin Rothlisberger in Switzerland.  Please see his site: .

There are some moderate extra costs in me fitting a Devil Fish in an AluCase.  Please contact me for details.

One arrangement is for the customer to send their TB-303 to me and for Martin to send one or more AluCases, for this and potentially other Devil Fishes, in a separate shipment.  Alternatively, the customer can take delivery of the AluCase from Martin, and then ship it and the TB-303 to me.  It is not practical for anyone but me to fit a Devil Fish into an AluCase.

Devil Fish modified TB-303 in AluCase by Martin Rothlisberger - undyed aluminium finish
This is an AluCase from 2009.

AluCases will last forever.  They are NC machined from solid blocks of aluminium.  Then they are sandblasted, anodized and generally dyed.  Some are undyed as is this one, with a bright metallic aluminium surface, protected by the aluminium oxide layer created by the anodizing process.  Aluminium oxide is a ceramic and is used in grinding  stones and the ceramic packages of integrated circuits.  The dye soaks into the somewhat porous aluminium oxide layer, and then with heat treatment, this is made very hard indeed.

This one only has coloured lettering for the Devil Fish logo.  The two above have epoxy paint carefully applied for all lettering and lines.
Jeff Toman in the UK worked on this Devil Fish after I modified it.  There are many photos of Jeff's work on his Flickr pages.  Perhaps the best way to navigate those photos is the sets section.

I understand the aluminium panel is original, but stripped back to the bare metal and then screen printed and that the rest of the front panel is screen printed too.
I haven't seen this machine after its case was refurbished.  I understand that the rear panel sockets are labeled with a back-printed clear film, but this is not visible in the photos below.

The photos were somewhat distorted and blurry.  I used the excellent PTLens Photoshop plug-in to correct the barrel (or pincushion) distortion which often occurs with the wide-range zoom lenses used in digital cameras. Then I sharpened the image with Photoshop's Unsharp Mask.





Devil-Fish-TB-303-in-painted AluCase-by-Jeff-Toman This Devil Fish has an AluCase which has been sprayed by Jeff Toman in the UK.  AluCases are not intended to be sprayed they are anodized and the alumina anodized layer is typically dyed.  The lettering is engraved into the aluminium, and Martin typically paints these with epoxy paint. 
Devil-Fish-TB-303-in-painted AluCase-by-Jeff-Toman I haven't seen this machine Jeff sent me the photos of this and the black machine above.  I understand that for this one, he filled in the engraved lettering and sanded the AluCase to provide a smooth surface which the paint would adhere to.  Then he screen printed new text and other legends, in silver.
Devil Fish modified TB-303 synthesizer
Some views of a Devil Fish with an original plastic (ABS) case.
Devil Fish modified TB-303 synthesizer

Devil Fish modifed TB-303 synthesizer

Devil Fish modified TB-303

Devil Fish modified TB-303

Devil Fish modified TB-303 with white LEDs [#White_LEDs] This machine, in September 2010, has White LEDs with a new Red LED for Run/Stop.  This photo was taken in relatively dim incandescent light – 75 and 53 watt lamps at 0.8 metres so the LEDs look very bright.  Their actual brightness is well above the dim and uneven level of the original LEDs, but i not  excessive.

More information on LEDs is at: ../leds/ .
Devil Fish modified TB-303 with white LEDs Another machine, with a White LED for Run/Stop.
Devil Fish modified TB-303 with white LEDs [#Worn_case] Some Devil Fishes wouldn't win a beauty contest, but they work just fine.  This machine has blue LEDs which were part of a Technology Transplant replacement switch board.  I changed some resistor values to bring the brightness down to acceptable levels, since these LEDs, like most blue LEDs, are much more efficient than the original early 1980s red LEDs.