[solved] Bass Drum BUZZZ

Discuss Nava construction and related issues

Re: Bass Drum BUZZZ

Postby decoder303 » Sep 2nd, '16, 12:12

I also can confirm that this fix solved the buzz issue, perfect :mrgreen:

here is a link to a quick demo of the nava kick after the fix, recorded straight into the fireface uc without any processing: https://we.tl/YS6GAMPDuV
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Re: Bass Drum BUZZZ

Postby drifter7508 » Sep 2nd, '16, 16:12

Why use sockets? Isn't it just easier to just desolder one leg from the two transistors and bend it up?
Clip one leg of the IC and bend it up?

Can someone also post a better picture on the cut at the IC part?
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Re: Bass Drum BUZZZ

Postby peskado » Sep 2nd, '16, 16:25

drifter7508 wrote:Why use sockets? Isn't it just easier to just desolder one leg from the two transistors and bend it up?
Clip one leg of the IC and bend it up?

Can someone also post a better picture on the cut at the IC part?

I think sockets used just for find solution

I'm so happy, now i can put my nava to the case and add [solved] to the thread title ;)
thank you e-licktronic :D
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Re: [solved] Bass Drum BUZZZ

Postby drifter7508 » Sep 2nd, '16, 20:37

I failed this one. My BD sounds like crap now.
However the buzz is gone. I did not cut the trace at IC11... is that my fault?

*Update* Cut the trace at ic 11.... now it sounds better. I used another source for the op amp since I cut the legs on the old one to get it out.
I dunno if its this one that is making the BD sounds a bit weird? =(
The ones I bought looks different than those I got from e-lick. and another "number" on them.

*Day 2* The noise level is now much better to a level that I can live and work with. The BD buzz fix solved it. =) Thx Vincent.

Image
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Re: [solved] Bass Drum BUZZZ

Postby Check Mate » Sep 4th, '16, 12:18

I also fixed my BD according to the suggestions and it works like a charm! No more buzz!
Thanks!
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Re: Bass Drum BUZZZ

Postby hofmann25 » Sep 5th, '16, 00:55

Data Jam wrote:i would also appreciate 1-2 more pics, i don't want to mess something up ;)
?


+1 :)
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Re: [solved] Bass Drum BUZZZ

Postby decoder303 » Sep 5th, '16, 09:48

I posted 2 in the recent hihat decay thread if they'd help..
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Re: [solved] Bass Drum BUZZZ

Postby Data Jam » Sep 5th, '16, 10:25

@decoder, in your pics it looks like you didn't desolder the IC, did you just solder the wire to pin2, leaving it in the hole? i would rather to it that way and not desolder the IC.

and this here is just for me to learn some things, i you pull pin2 of the IC, so it's only connected to the wire going to the transistors, you would only have to cut the trace on VR4 pin1?
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Re: [solved] Bass Drum BUZZZ

Postby drifter7508 » Sep 5th, '16, 12:00

Data Jam wrote:@decoder, in your pics it looks like you didn't desolder the IC, did you just solder the wire to pin2, leaving it in the hole? i would rather to it that way and not desolder the IC.

and this here is just for me to learn some things, i you pull pin2 of the IC, so it's only connected to the wire going to the transistors, you would only have to cut the trace on VR4 pin1?



No, I had to do both cuts for it to work. I just cut at VR4 at first... did not work.
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Re: [solved] Bass Drum BUZZZ

Postby Data Jam » Sep 6th, '16, 20:20

burned my M5218L while desoldering :cry:
ordered in hindsight some with my last order, but those are M5218AL... buzz is gone, but BD sounds almost a bit overdriven... no idea if this is because of the M5218AL ...
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