The reason why I've wanted it for so long became clear as soon as I stomped on it. The reason why I waited until now remains a mystery. I love the sound, the fuzz is dirty but very responsive while the octave is always lurking in the background but really comes out with the old neck pickup/rolled off tone combination.
That said, I only ever found one strip board layout for it on a rather impractical 30-something long board, which would have required an unnecessary large enclosure.
After having a go myself at a more practical layout and failing to come up with something reasonably compact I thought I'd try turning to someone who'd know better. I left a little message on Harald's request page at Sabrotone with a link to the schematic and within a couple of hours or so there it was. Brilliant.
Here's the great layout by Harald (click on it to be redirected to his website's post):
I didn't have any C10Ks (rev logs) for the gain control and opted for a B10K (linear). The result is not ideal, as over half the swipe gives clean tone with little or no gain variation nor octave. I will be replacing it with the correct taper hoping for a more usable range. The schematic didn't indicate how to orientate the pot and I ended up wiring it backwards, something I will correct when I'll switch for the rev log taper pot. The diodes used were metered and matched.
I housed it in a Hammerite-looking 1590B I bought a while ago in Maplin's reductions corner and have since kept on the side for this very pedal. Great to see it all finally boxed up! Put a couple of (pretty ugly) knobs for the time being, but will replace with black Davies 1510s. Here's the result (alas not yet 100% final):
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And finally, a demo I recorded. Do keep in mind the Gain knob is wired backwards. It can sing, clean up, spit and fart. I love it for noisy, octavey, gnarly sounds as those towards the end - lots of fun to be had with this one. Definitely a personal favourite.
Sounds great, brother. NARLY.
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