Tuesday, 26 August 2014

TTSH - ARP 2600 clone - build notes - Final bits (DIY)

Part no.20 of my TTSH (Two thousand six hundred) build which is a clone of the ARP 2600 synthesizer.
Finishing off some last bits.

You can see my full build thread HERE
There are two awesome TTSH threads in Muffs.
2600 clone - Two Thousand Six Hundred (TTSH)
and
Two Thousand Six Hundred (TTSH) Project General Build Thread
The DSL-Man site has a very good TTSH thread
And of course the official build thread is here
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Adding odd resistors & trimmers for the LEDs.

The power transistors --- orientation ?

Power Transistors (BD236 and BD237). Does the writing face up or down?


Power transistor BD 237


Power transistor BD 236

 There are 5 Switchcraft DPDT slide switches to instal.
This is a bit tricky as they need to be installed quite high.


I inserted them into their holes first then screwed the faceplate on.
When you turn the synth onto its face the switches should fall
into their correct places. Then solder.

Instal the jacks next. There are a lot of them!

It's starting to look good :-)


Linear 100K sliders first.

Testing that the faceplate still fits with the first set of sliders.
Looks Good. ! Onto the audio sliders.

 The standoffs should be 11mm. I'm using 10mm ones with some 1/8' washers.



Just the last 1M slider to install.

 Carrying out some initial tests.
All the modules seen to work fine (apart from the leds not lighting in two cases: The VCA and Noise).
The VCA & Noise do however work. Noise is a bit loud..... might try some other transistors 

Still, I'm really happy. What a awesome project. Thanks Zthee. (THC).

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