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Messages - yapper

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1
It's a bad PSU I think. The output smoothing capacitor looks like it's leaking.

2
I've located the source of my noise. It was the 9V DC PSU for a pedal. Running the pedal off a batteries got rid of the noise!

3
I suspect it's either my cheap guitar cable, or the amp that's picking up the noise so simply (pre) amplifying the guitar signal means it's now xdB louder than the noise.

The bass appears to be grounded properly. I've got the cavities lined with good quality copper tape with overlapping seams and the bridge is grounded back to the pots.

Changing the focus from amps to cable, can you recommend a good cable (either a ready made cord or a brand/type of cable) that is well screened?

4
Primarily to improve noise. Somewhere I'm picking up noise and I found by using an old headphone amp between the bass and the cable to the (main) amp the signal to noise levels are much better. I'm not necessarily looking for an external amp - today I've come across some circuits based on a J201 FET that look promising and it's simple enough to fit inside the bass.

5
How Do I? Beginner's Paradise. / Noob looking for simple bass guitar preamp
« on: December 09, 2017, 10:53:31 PM »
I'm looking for a straightforward 'flat' preamp for my passive p-bass clone. Ideally something with 10dB gain. Is there a cheap-ish kit out that that would do this? I've seen various things on ebay but they all seem to be embellished with tone adjustments.

Thanks in advance for any pointers,

Mark

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