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First earthing the tuner block. I generally solder the earth to a small patch of shielding copper to get a good connection without the risk of a 'lump' between the bridge and its seating:
Then battery clip and pots. In this shot, two of the pots are installed - using @Sporky 's excellent suggestion of a threaded bush - with the slimline stacked pot still to install:
And here they are all in. Still have to do the jack socket and tidy the clearance carves round the knobs, but this is broadly how it will look from the back:
The knobs and tuner block are fully accessible and very easy to use...but everything remains completely hidden from the front:
Are those magnets I can see to keep the control cavity cover on? Nice touch. Do you have to pry it off with a slim knife/screwdriver if you need access?
Yes, the main cover and the truss rod cover are held by magnets. Having said that, I need to take another look at the security and shape of the back cover. It is supposed to follow the curve of the back, but the magnets aren't really strong enough to hold the curve on the very thin and wide cover that - left to its own devices - straightens and curves depending on the weather! So I might have to rethink the best way of doing that.
The cover for the rear-fitted cylindrical magnetic pickup coils will need to be held with conventional screws - I can't use magnets because they might impact on the custom coils and also the hatch, backed with foam, is what will be used to hold the coils in place.
Onto a bit of further progress, the expression 'tight as a tick' comes to mind
I've said it before, but those pickups are seriously interesting.
If you had far too much time on your hands you could really go crazy with those - stereo wiring, MIDI outputs, individual effects channels, god knows what else...
Routing was done, earth shield wiring wires added and everything fitted:
And here's the shocker - they work!
Next job is to fit the piezo and mixer unit
Have you got any idea at what this bass will sound like with the funky pickups blended with a piezo?!
I have no idea what the blend is going to be like....I'm hoping to find out this afternoon if I've read John East's mixer circuit correctly
Well, that's the plan, anyway
incredible?
amazing?
stupendous?
inspiring?
wow.
Thanks for sharing Andy.
Thanks for the feedback
Just finished balancing the magnetic coils and also the magnetics versus the louder piezo. The John East mixer has an attenuation shunt you can remove but it needed more. I added a trim pot resistor to the piezo circuit (the blue one here):
And then it's done!
This is the front view, now everything is working and in place - even the strap locks:
Talking of strap locks, the sit on the strap is as good as you could possibly wish, and over the knee it balances very well too! PHEW - there's a bit of luck!
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