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Boss NS-2 Noise Suppressor

Started by gez, October 01, 2005, 11:09:23 AM

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gez

October 01, 2005, 11:09:23 AM Last Edit: October 01, 2005, 11:32:26 AM by gez
Presumably the 'Check/Mute' LED is an on/off status indicator?  If so, does it only work if an effect is plugged into the send/return jacks or should it work regardless?  Anyone have a schematic they can send me?  The LED doesn't turn on and I don't have a manual. :icon_rolleyes:


"They always say there's nothing new under the sun.  I think that that's a big copout..."  Wayne Shorter

gez

#1
October 01, 2005, 12:16:47 PM
False alarm.  I'd replace all the electrolytic caps earlier today and one of the tops of the cans must have been shorting something or other as when I took the back off the LED was working again.  Just bent some of the caps on their side and all is well.

I bought this thing sometime in the mid to late nineties to gate a reverb.  Didn't work very well for that purpose so the pedal got shelved (hence my ignorance about its workings).  Hard to imagine, but I never thought to try it with my guitar until today - pretty nice unit!

Don't have the time to trace it, but for those who are interested there are a lot of SIL chips in there.  Mainly op-amps but all the magic seems the result of a Voltage Controlled amp (though I don't remember the code and I'm not about take the back off again - sorry!).  Rapid sell a similar chip, though these things aren't cheap…
"They always say there's nothing new under the sun.  I think that that's a big copout..."  Wayne Shorter

StephenGiles

#2
October 01, 2005, 12:32:23 PM
No need to trace it see here:
http://img.photobucket.com/albums/v517/uncle_boko/NS2.gif
Stephen
"I want my meat burned, like St Joan. Bring me pickles and vicious mustards to pierce the tongue like Cardigan's Lancers.".

gez

#3
October 01, 2005, 12:52:15 PM Last Edit: October 01, 2005, 12:55:12 PM by gez
Quote from: StephenGiles on October 01, 2005, 12:32:23 PM
No need to trace it see here:
http://img.photobucket.com/albums/v517/uncle_boko/NS2.gif
Stephen

Stephen, you always seem to come to the rescue with these things!   :icon_smile:

Thanks, although I don't need it anymore I love looking at this sort of stuff!  :icon_twisted:
"They always say there's nothing new under the sun.  I think that that's a big copout..."  Wayne Shorter

Processaurus

#4
October 03, 2005, 09:03:23 PM
The NS2 is neat because in addition to working well, the input can be used as a sidechain to control the gate with other stuff than clean guitar.   

KORGULL

#5
October 03, 2005, 10:06:25 PM
Hmm, I've got to start experimenting with my NS-2 I had it 20 years and never even plugged anything into the send/return jacks.
Only a couple months ago did I first use the 9V power send jack (didn't need it before I started building my own FX and ran out of empty power jacks on my pedalboard  :icon_wink: )
Here's a link to a pretty good article I just found that explains a bit about sidechains. It's a two page PDF download. Looks like some other good articles on that site too. http://www.musictechmag.co.uk/mtm/features/sidechain-processing
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