Hi to all. I'm working on my first CBG and so far I'm pretty happy. Cohiba box, maple neck, all fretted. Now comes the pickup. I've made a 4 poles pickup. 9000 turns, the load is near 5K. That's a start. I have potted the pickup and ready to try.
So I've just hooked the pickup directly to a pair of wire, through a jack, and connected to the amp. Ita a Fender Super champd XD tube amp. My problem is that I hear this feedback every 10-15 sencods and it lasts a few seconds. Any idea why ? I have attached a sound clip, take a moment to listen to the whole 50 seconds of it.
Many thanks for your help.
Tags:
well I tried shielding the pickup only to the common ground and no changes. So now I tend to think like Mark. I even get the hissing when I touch the tip of the cord jack with my finger. Maybe I'm just discovering something that always existed. So I will put all the bits together in the cigar box and we will see.
Any other thoughts from anyone is still welcomed.
Yes I used teflon tape, for about one to 1 and a half turn between the alnico and the wires. Also the potting lasted about 30 minutes, until I would not see any air bubbles anymore. Finally, I installed the pickup in the CBG and the noise was less present. Still there but very light.
The middle strings are pretty well amplified but not the lowest string. I rechecked the polarity of the whole pickup (installed) with a compass and there is not much pull on the needle. I had magnetized the mags before winding the pickup. Now my next plan is to remove it and re-magnetize it again and recheck polarity.
Having fun !
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