Here's another question for you, Marcel, in the SLOCLONE schematics I'm working with, the Clean/OD channel-switching is done using opto-isolators that consist of a Led and an LDR, or Light dependent Resistor, a mate of mine who used to do amp servicing told me that those Led/LDR opto-isolators tend not to be very reliable when used in channel-switching amps because they "get the daylights flogged out of them", so, I was thinking of using some 5V relays to do the channel-switching instead of using Led/LDR opto-isolators, that should be quite doable, shouldn't it? I think my Marshall MA100C amp uses relays for it's channel-switching, I'll just need to come-up with a relatively simple to build relay driver circuit that can run on 5V.
Here's a pic of the wooden cab for my mid-70's non-reverb Fender Super Twin amp, I've currently got it on my makeshift workbench in my little studio room in my flat, so I can do some work on it, I have decided to go-ahead and re-tolex it because the old tolex is looking a bit tatty in a few places, this has also given me an excuse to re-glue all the cabinet joinery with some titebond glue because they are a bit loose and rickety, I'm going to be paying my local Bunnings store a visit next fortnight to buy a few things I need, some titebond glue will be added to my shopping list.
Recently I bought a brand-new Fender amp badge on eBay, and it turned up in the post yesterday, here's a pic I took after installing the new amp badge on the amp's new front baffle I made today:
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